Did MESHTASTIC Die At Hamvention??

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  • Опубликовано: 21 сен 2024
  • What happened with the MESHTASTIC devices at Hamvention? Let me explain! Don't worry! This is not a bug! We can make this work even better!!
    LoRa Chirp explanation video • LoRa CHIRP
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Комментарии • 179

  • @richard_wenner
    @richard_wenner 2 месяца назад +6

    Very honoured to be referenced in one of your videos. Thank you.

  • @Dennis-tf2cs
    @Dennis-tf2cs 3 месяца назад +52

    "Packet" is the right term. The "CHIRP" is still a packet similar to tcp ip. CHIRP's (used in LoRa and other applications) involves transmitting data via chirp waveforms, which are organized into packets. [At least that's my story and I'm sticking to it 😅] Nice video, Thanks!!

    • @WarrenPostma
      @WarrenPostma 7 дней назад

      Yep. Any protocol with a fixed or variable length data record is sending "packets".

  • @zerofox3d
    @zerofox3d 3 месяца назад +14

    We have extremely dense meshes in areas of the UK now and have seen the same issues. Hopefully the techniques in this video will make it to the nerds over here 👍

  • @ToumalRakesh
    @ToumalRakesh 3 месяца назад +20

    Meshtastic simple doesn't scale. It's not just airtime, but also the entire MQTT link concept and the fact that your node can "fill up" with node IDs, leading to the dreaded memory full message.

    • @kudjo24
      @kudjo24 3 месяца назад +3

      Man I dont know anything about meshtastic or HAM, but just with a borderline understanding of making your own network off grid, these are eventual pitfalls that the pioneers of the internet were trying to figure out some 40 years ago

    • @land_and_air1250
      @land_and_air1250 3 месяца назад +1

      Fortunately there are a bunch of speed settings and frequencies you can pick between which allow you to layer many different networks on top of eachother without interference just like cellular radios do it

    • @JJRfromNYC
      @JJRfromNYC 2 месяца назад

      @@land_and_air1250doesn’t Meshtastic work on one specific frequency?

    • @land_and_air1250
      @land_and_air1250 2 месяца назад +1

      @@JJRfromNYC it works in a frequency band, and has a bunch of usable channels within the band and on top of that each encoding speed and spread factor will be ignored by every other encoding speed and spread factor allowing the same frequency channel to be used 8 times or so if needed without meaningful interference

    • @JJRfromNYC
      @JJRfromNYC 2 месяца назад

      @@land_and_air1250 thanks. How does one determine the appropriate encoding speed and spread factor? Thinking of investing in Meshtastic. I think it could be great for off the grid Comms.

  • @MrBubba123bubba
    @MrBubba123bubba 3 месяца назад +12

    Josh, I always enjoy that when you explain something, you give relevant technical details, go enough into the weeds to satisfy the hard core nerds and yet still break it down to the "green crayon is green" level for people like me.

  • @BrokenSignal
    @BrokenSignal 3 месяца назад +3

    This happened in the UK a few months back as well. This is great real world testing and will be interesting to see how these tips help prevent it in the future.

  • @KingSteve032
    @KingSteve032 3 месяца назад +6

    The mesh at hamvention was crazy. Someone definitely had default mqtt server turned on the default channel. I was seeing nodes show up on the map from across the country. I also had mqtt on as well but I was using a club owned mqtt server so people back home could see everything that was happening.

  • @yakovdavidovich7943
    @yakovdavidovich7943 3 месяца назад +4

    Packet is a correct term; it is used by Semtech in the datasheets for the transceiver chips, such as the SX1276, etc.

  • @TomRolfson
    @TomRolfson 3 месяца назад +22

    This is very much a first world problem. And yes, the Meshtastic developers have done INCREDIBLE work. Josh, TY for reaching-out to them and reporting the proper config and ultimate solution. Is Meshtastic dead? No, we just hit the same speedbumps that partyline phones, Tokenrings and other technologies have hit. Meshtastic's real strength still lies as a backup secure communications when our radios or alternative messaging networks are not available. Great work, TY.

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад +5

      Exactly.

    • @nathanielyoung5737
      @nathanielyoung5737 3 месяца назад

      ​@HamRadioCrashCourse Hey can you do a video series like you did for tech license for the crash course? It really helped.

  • @matthewtruland
    @matthewtruland 3 месяца назад +5

    That one with the screen makes me think I of the Cybiko devices of the early 2000s.

  • @chrisjohnson8741
    @chrisjohnson8741 3 месяца назад +15

    MQTT can be very useful and isn't necessarily a problem to the mesh. The problem arises because it is a fairly complex system and not well understood. New users that try MQTT using the default settings on the default channel will cause congestion, but using MQTT on a private channel with a custom MQTT topic (or through a private MQTT broker) is really not a problem. The thing is, unless you know what this all means and also have a known use case for MQTT, you are certainly better off leaving it alone.
    I have found it very useful for remote telemetry over Meshtastic, and it works well with my configuration and does not cause channel congestion.

    • @SkillfulHacking
      @SkillfulHacking 3 месяца назад

      I'm thinking about this use case to push data into home assistant mqtt would make a great interface for the automation pipelines.

    • @wesleyjones6535
      @wesleyjones6535 Месяц назад

      Is there a place to see a list of topics that are used?

    • @dustoff499
      @dustoff499 Месяц назад

      Problem is... we're not familiar on how to "properly" set "private" channels up. RTFM is no help.

    • @chrisjohnson8741
      @chrisjohnson8741 Месяц назад

      @@wesleyjones6535 There is an app called MQTT Explorer that (sometimes) works. It's available for Windows. A key point is that the users create the topics. Entering a topic in your MQTT setup will create it on the broker if it isn't already there.

    • @chrisjohnson8741
      @chrisjohnson8741 Месяц назад

      @@dustoff499 Setting up a private channel is pretty basic to Meshtastic. Just create a new channel in an available slot and give it a name that isn't "LongFast." Connect that channel to MQTT (but don't connect the default connect LongFast channel) and you won't cause too much trouble.

  • @Jorropo
    @Jorropo 3 месяца назад +3

    One slight detail, unlike many other mesh protocols Meshtastic does not need to build the mesh up, it does not currently track who is in the mesh or where packets should be flowing.
    The mesh is implemented by using very clever CSMA/CA hacking, every-time a node hear a message it tries to rely it, but before doing so it waits the amount it waits is based on how well the message was received, if the reception was good it waits a very long time, if it were bad it waits a short time, and if while waiting it hear someone else relaying the packet is cancel it's own relay attempt, this mean just by waiting and listening you know if someone else farther away is relaying the message already, and if they are you do not yourself, if the wait time expire and you didn't heard anyone then you relay yourself.
    The congestion is usually NodeInfo (automated « I am here » messages used to show the list of Nodes in the app, but completely optional and not used in the meshing) and people trying to use the app as designed and send messages.

  • @unwin42
    @unwin42 3 месяца назад +7

    LONG-FAST is a modem preset, not a per-channel setting.

    • @thegrumpytexan
      @thegrumpytexan Месяц назад +1

      Unfortunately it's also the default (primary) channel name. Not very well thought out.

  • @ocsrc
    @ocsrc 3 месяца назад +4

    This is the same problem we had in the early days of networking
    And the early days of Wifi.
    This is why they created 100 base-T and 1000 base-T
    Because the old 10 base-T really got overwhelmed and we were not getting through from computer to computer on the network.
    Back then it worked just like this.
    There was no router
    It sounds like the system needs network controllers.
    So if a control station assigned the priority and who is on the network and when to send.
    Like cell phone cells work

  • @Sylvan_dB
    @Sylvan_dB 3 месяца назад +2

    CHIRP is the sound of the modulation. Regardless of what anyone calls it, packet is the correct term for the chunk of data transmitted as a unit (using CHIRP modulation).
    While not a "bug" in mestastic, the exhibited failure to scale is definitely a design limitation inherent in the choice of flood routing. There are smarter mesh network routing approaches that could be implemented and IIRC meshtastic is working on such. Flood routing is quick and easy to understand and implement, but it always fails this way and has since at least the days of even the limited flooding done by Netware SPX/IPX and NetBEUI in the 1980s and 1990s.

  • @EZPromoVideos
    @EZPromoVideos 3 месяца назад +3

    I put up my first Solar charging Rak 4630 device using Meshtastic OS. I picked up a 283 mile device, Which has since dropped off. I also picked up a 19 mile device. So it is working. not alot of activity local so it is something I will need to monitor for sure! Attempted an install on the garage roof but the light poles were too large... need to get larger hose clamps for it. Had rain and it is still working... charging as well... been on for 20 hrs and still at a 95% charge! So very happy with the performance. Also got a T-Deck and using it to test with as well. Always great to learn about things that are new! Now to connect with Jason here in TX and see if we can expand our influence. ;)

    • @jasoncthomas
      @jasoncthomas 27 дней назад

      I have done the same thing. The 4630 will never bring my battery higher than 95%. I have the same results. Works perfectly though.

  • @kd6hucatmsndotcom
    @kd6hucatmsndotcom 3 месяца назад +1

    I was experiencing issues similar that I actually paid for on my cellphone a decade ago and attributed it to system congestion then too. That bumping the head on ceiling quip toward the end was awesome btw.

  • @billmcilwee566
    @billmcilwee566 3 месяца назад +2

    I need to learn more about Mesh. I do a lot of volunteer work where cell phones have no coverage. Some folks are bulky about radios. FRS, enough said and GMRS has cost and licensing issues. Mesh might be great but IP68 or higher is a must. Excellent video and 73, KF0NNQ & WRVR260.

  • @TrevHolland
    @TrevHolland 3 месяца назад +3

    Just remember, if you change to Short/Fast and not everyone else does, you'll be on different frequencies and won't see anything. EVERYONE needs to be on the same primary channel.

    • @oasntet
      @oasntet 2 месяца назад

      This is exactly the opposite; it's an unfortunate thing that the channel name defaults to the modem preset used, but they're _not_ related. You can talk to users in the default channel (named LongFast) using whatever modem preset you want, from ShortFast to MediumSlow.

  • @allenshepard7992
    @allenshepard7992 3 месяца назад +4

    1980's coax based Ethernet had a similar issue. Yes it was a timing issue. they had to back off on how often they talked.
    It is a learning curve, It will get better.

    • @jimthompson3053
      @jimthompson3053 3 месяца назад +1

      The solution with Ethernet was to develop a whole system of switches and routers, so that each device only communicated with the closest other devices. Which by the way meant scrapping EVERYTHING, from the AUIs to the local coaxial network cable. That is, the entire physical layer. That's what it will take to "fix" Meshtastic: replacing it with something akin to a cellular network. So yeah, this will mean that you depend on an infrastructure that will have to be built up from scratch. Which, MAYBE people will plunk down some money to build their own cells, but eventually this will break down into chaos and spotty coverage, and will only work if one or more commercial networks get built.

    • @land_and_air1250
      @land_and_air1250 3 месяца назад +1

      Also can layer meshes on top of eachother or simply increase the speed at the cost of range for conventions which gives way more throughput by like 300x

    • @allenshepard7992
      @allenshepard7992 3 месяца назад

      @@land_and_air1250 You are right, and that is one thought - routers. Apex nodes or devices that link mesh groups together . Doing it without human intervention is not quite straight forward. We want resiliency in case a router fails or is cut off.
      Routers can also introduce loops. A message can take more than one path - without "one way gates" the message can be forwarded back toward the sender and then corrected and routed to the receiver only to loop around back to the sender.
      Local comms under a higher "Tree like" router.

  • @jameski5oeb668
    @jameski5oeb668 3 месяца назад +2

    Haven't gone down the meshtastic rabbit hole yet. That being said, our club is talking about it, so will probably go there soon.
    Thank you Josh!(for spending more of my money LOL) 🙂

  • @Clembassador
    @Clembassador 3 месяца назад +1

    CLIENT (MUTE) is highly underutilized this stops the node from rebroadcasting data, in a dense area leave the retransmission of data to the nodes with the most advantageous positions. I have my elevated nodes as Routers, the nodes on my vehicle roofs as repeaters and my pocket nodes as Client (Mute), my vehicle doesn’t need to show on the node list since I’ll be near enough with my pocket node.

    • @MXarcx
      @MXarcx 3 месяца назад +2

      I would leave the vehicle nodes as client role since your car might not always be in an advantageous position, so it can re-transmit on-demand with the same priority as regular clients.

  • @papafrank7094
    @papafrank7094 3 месяца назад

    Josh,
    Thank you for your awesome videos on Meshtastic. Due to your videos, I now have my new device sitting here, waiting on me to get off of my behind to print a new case.

  • @alexhunnicutt9327
    @alexhunnicutt9327 3 месяца назад +4

    I believe my wife is buying me my first heltec v3 for fathers day. Hoping the mesh is somewhat active in Charleston sc

    • @Jody_VE5SAR
      @Jody_VE5SAR 3 месяца назад +4

      Be the mesh you want to see. 🙂

  • @jackhreha4907
    @jackhreha4907 Месяц назад

    I live in seattle north urban part called ballard. The node cluster that i am in crashes my node in about three hours. Take the same rig out in the sticks works for days without a glich, and can throw long balls for miles and miles. not enough nodes and it does little. more nodes past a certain number and your done for. What i have noticed it seems the angle of the nodes to one another might be the posion. thanks for your advise.

  • @jimj227
    @jimj227 3 месяца назад +2

    Someone else said it, but Josh, I think you're messing up your terminology on #2. The channels have to do only with encryption keys. It is the radio mode, and you can use only one radio mode (Lora modem preset) whether Long_fast, Short_fast, etc. And you can only talk to other radios (people) on same mode. But thanks for making the video to help us use it better.

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад

      I showed the radio mode on the screen, but yes, set the model to Medium or Short and you should be good. 👍

  • @andrewtitcombe8378
    @andrewtitcombe8378 3 месяца назад

    I amateur code lora modules. And built a mesh system for solar sensors. Trying to automatically set the spreading factor(long fast) is difficult. Because all surrounding nodes have to change to the same SF. This takes band width to tell other devices to move to new SF. Or it takes time for a device to listen to each SF until it heats and syncs with another node on the same SF. SF7 takes 2 seconds to complete an 16 byte packet. So even with the best collision avoidance. Only 30 devices could communicate every minute. I am no radio engineer. But lora modules need to be able to switch it's SF automatically based on the preamble of the other device. And the reply packet should automatically drop to a faster SF based on the signal SNR level. Basically an automated power and speed strategy built into the models.

  • @MsStevieWoo
    @MsStevieWoo 3 месяца назад

    Turn MQTT off in dense mesh areas. Here in Manchester Uk - it’s a dense area with 100+ active nodes. Just one node can break the bandwidth. If using TinyGS mqtt makes sense! But in a localised comms it’s doesn’t do any favours!
    Turn mqtt off and set ignore mqtt. Hops keep to 3 maybe 4 if there are routers in the area…

  • @RedNeckSurgeyTech
    @RedNeckSurgeyTech 3 месяца назад +1

    Why would you ever use the long if you can send the massage with the short? It sounds like someone driving a dump truck to the store when a car will get the same loaf of bread. I'm sure the is a reason. What am I missing?

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад

      Fantastic analogy!

    • @land_and_air1250
      @land_and_air1250 3 месяца назад

      Long fast gives more range than short fast so is good for testing and discoverability under normal conditions. Short fast is better for events though

  • @TrevHolland
    @TrevHolland 3 месяца назад +3

    Sorry, you said 3 tips, including 1 from the community. Did I miss a third one? Turn off MQTT, switch to Short/Medium Range, and what was the third?

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад +2

      lol I took two takes at saying that. Should have been “two tips” I finished editing this at 1:00am 😅

    • @TrevHolland
      @TrevHolland 3 месяца назад +2

      @@HamRadioCrashCourse haha, no worries. I'm only on coffee #2 for the day so I thought maybe I was missing it. Watched the video twice looking for that third tip. :D

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад

      Ah damn, sorry about that!

  • @typicalaimster
    @typicalaimster 3 месяца назад +2

    There was 70+ nodes at EDC Las Vegas back in May. The only thing my group of 20 had to do once channel saturation was over 50% was simply change LORA slots from 20 to 60. Left things on Long Fast and things work flawlessly after that. Anyone seeing channel saturation should check one of the other slots. See what the floor looks like. Then coordinate a change with your group and make it. Admin channel works great for this!

  • @aquahood
    @aquahood 3 месяца назад

    However the regulatory body not being very software to find radios allows the sale of The Analog Devices very capable SDR which is the basis of several strs in a single antenna head that's connected to a another piece of equipment or something designing and building which requires me to have access to some equipment that I can't get.

  • @liminal6823
    @liminal6823 Месяц назад

    Could someone educate me? I'd like to communicate with people over the Internet (via Meshtastic's MQTT service) so basically I am NOT to use Channel 0 for this purpose because enabling MQTT would cause all of those "Internet nodes" to pile into Channel 0 and annoy all of the people on Channel 0? If so, do I create my own channel with MQTT enabled and all of those "Internet nodes" will only be visible and accessible to me? Or..is there specialized channels that are designed for this purpose that I need to get the shared key/password for? Thank you in advance!

  • @maranathaamen5963
    @maranathaamen5963 3 месяца назад

    Hi Josh, noob here, this is regarding an AWESOME older video how to program with CHIRP. My problem is I have quite an older version of win, much older than 10, so could not do it. Tried on my chomeOS laptop as well, would not work. Do you have a program for CHIRP for older than win10 computers? I love your complete easy step by step directions! Thank you!

  • @briankendall1978
    @briankendall1978 3 месяца назад

    So, I was thinking that the "chirp" was one character or symbol and that a packet was made up of multiple chirps. I am interest to understand that better. What did you read to learn this information?

  • @aquahood
    @aquahood 3 месяца назад

    Am I interested in getting my license has come from Communications with satellites and wirsing in the Walking something the world require and I haven't not necessarily but the problem is I can't have even a device that transmits whether or not I will ever hit the transmit button or not.... So even if I'm going to use the device only for receive only I'm not permitted to import it.

  • @brianbgarber
    @brianbgarber 3 месяца назад

    Is that the Lilygo w/ 3D printed case? If so do you have a link to the stl for the case?

  • @KarasCyborg
    @KarasCyborg Месяц назад

    So why is there no talk about a 'self-organizing' node structure where the most powereful meshtastic devices in an area become like a super node hub: They figure out a way to divide spread the load out across multiple super node hubs, so that each smaller device gets a fraction of the traffic. Once the super nodes go down, the meshtastic devices are then re assimulated into the other super nodes. It would have to be automatic based upon signal strength.

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  Месяц назад

      Join the Meshtastic Discord and spread your idea around. This is a community driven software package.

  • @digital.rancher
    @digital.rancher 3 месяца назад +1

    So much fun! Thx Josh!

  • @KevinReeve
    @KevinReeve 21 день назад

    Sounds like they reinvented a Apple Talk like protocol and filled the band with so much “here I am” traffic that the real messages could not get any time.

  • @jimthompson3053
    @jimthompson3053 3 месяца назад

    This IS a limitation of Meshtastic, since it has no mechanism for automatically reducing the bandwidth used by each node. Back when "mobile phones", the precursor to cellular phones was a thing, there was a problem: if the prices came down and mobile phones became popular, they would quickly saturate the bands allotted to them. The invention of cellular radio was a response to this, and required that transmissions be limited to short range, and also an infrastructure of "cells", or areas that each fixed station covered. Adjacent cells use different channels, so that a phone talking to its nearest tower does not interfere with other nearby cells. Meshtastic learned nothing from this, and has NO mechanism to keep saturation from happening, and so will be the victim of its own popularity. The more popular it gets, the worse the user experience. And the bigger problem with that is, it will run into the limits WAY before it gets to the point where you can reach anybody you want to communicate with. So it will go from "i can only message 1% of my contacts" straight to "I can't get through to ANYbody."
    Please: prove me wrong.

  • @mekkler
    @mekkler Месяц назад

    It would be nice if we could just use the widely available Amazon mesh network of Ring devices.

  • @SkillfulHacking
    @SkillfulHacking 3 месяца назад

    Isn't part of the appeal making contacts with others? If you change from long fast although you're utilizing the available bandwidth better, there will be less folks to chat with. I would definitely turn on ignore mqtt on the node so that even if someone mistakenly turns it on your node wont add those to the DB.

  • @spacemedic545
    @spacemedic545 3 месяца назад

    I have a mesh network operating in my community. It works great. We are building a county wide network and hope to have it operating soon. KS4QF

  • @brettberger-KM6MCI
    @brettberger-KM6MCI 3 месяца назад

    Hey Josh, I just a LilyGo T Deck device. I connected it to the app and loaded my encrypted channels. But on the device itself how to do I select one of my encrypted channels instead of the “ Long Fast” one that it is on?

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад

      The T-Deck is getting a massive update soon which will add that capability.

    • @brettberger-KM6MCI
      @brettberger-KM6MCI 3 месяца назад

      @@HamRadioCrashCourse oh awesome. Thank you so much for all you do for the hobby.

  • @W9ZKHamRadio
    @W9ZKHamRadio 3 месяца назад

    Sending this to all of my Link 16 datalink operator friends to explain "Time Slot Duty Factor"

  • @AD6DMDennis
    @AD6DMDennis 3 месяца назад

    Seems like the 2 main problems with Meshtastic are either: Get a node and encounter terrain problems / there's no one I can talk to, OR there's an over-saturation problem. I went from the former to the latter in the span of 3 months. Now I see endless spam on the public channel in my area (mostly new user test messages), and wish I could get back to the few original users back in April 2024.

    • @ustoowner2077
      @ustoowner2077 3 месяца назад

      I believe you can if you change frequency with a small group.

  • @CrashUK28
    @CrashUK28 6 дней назад

    new firmware fixed this issue. v2.4 or higher and v3.0 is due to have compression

  • @karinchaney101
    @karinchaney101 3 месяца назад

    They seem interesting, but I watched "Ham Radio 2.0", live last night, on Meshtastic, and this is the exact complaint I heard from the presenters of the live stream. Thanks for great overview.

  • @mervmartin2112
    @mervmartin2112 3 месяца назад

    Can you use meshtastic like a cw net? One net controller, anyone that wants in announces themselves one time, and waits for traffic. The net controller polls the net attendees (like Link 11) for traffic. When polled subscribers send what they've got, then are quiet again. The net controller might be the one with the lowest serial number. That way it's more autonomous.

    • @MXarcx
      @MXarcx 3 месяца назад +2

      Nothing like that in meshtastic. Simple signal strength dependent flooding of packets. Some lower priority packets get delayed if channel utilisation is too high.

  • @vica153
    @vica153 3 месяца назад

    Is there something in the meshtastic firmware that would allow it to "learn" and stabilize such a dense group of nodes if given some hours or days to figure it out? So after some time that mesh would be functional and not bogged down? Would you be able to simply limit the "background" transmissions to a certain portion of the bandwidth?

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад

      Perhaps in the future. But it’s likely best just being user settings. Like hops.

  • @j.b.708
    @j.b.708 3 месяца назад

    this is an artifact of all convenience mesh networking technologies. as networking is made easier, more an more of the bandwidth is taken up by the housekeeping of the mesh.

  • @DXJungle
    @DXJungle 3 месяца назад

    It’s called a broadcast storm. Usually brings down the network.

  • @Apav
    @Apav 3 месяца назад

    What is the trade off of using short-fast? Does transmitting data more quickly effect range?

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад +2

      Yes it can affect range.

    • @elkien3
      @elkien3 3 месяца назад +1

      I think of it in terms of saying a callsign:
      short: just saying the letters: "KF6EGR"
      long: saying each letter with the phonetic alphabet: "Kilo Foxtrot 6 Echo Golf Romeo"
      they technically have the same information, but if the signal is bad (due to being far away), the "long" method has a better chance of being understood without error.

  • @whiskyguzzler982
    @whiskyguzzler982 3 месяца назад

    Default Meshtastic is built for a common environment. MQTT should be off by default. There are special uses for it.

  • @davemichaeli5339
    @davemichaeli5339 3 месяца назад

    Good info, thanks for making this video.

  • @tonyhirn3689
    @tonyhirn3689 3 месяца назад

    Great info 👍

  • @iblackfeathers
    @iblackfeathers 3 месяца назад

    another annoying thing when in a dense meshtastic environment is when someone has range test spamming enabled. this causes those seq 1 seq 2 seq 3 messages to be broadcasted.
    the offending device will need range test turned off.
    there may be a setting to ignore such messages in later firmware versions or depending on device or os.

  • @DarkShadowCustoms
    @DarkShadowCustoms 3 месяца назад

    I have been seeing Meshtastic being discussed more and more. I haven't really looked into it much, but could it be a viable means of communication for let's say a hunting party of 8 to 10 people spread out over a 2 to 5 mile radius from a central location in an area with lots of hills and poor cellular reception? Is it just text based messages that can be sent or can images be sent as well? It is fine if only text can be sent as the main use would probably be to ask someone to bring a quad to help drag a deer or let the rest of the group know that a member of the hunting party is heading back to the cabin earlier than everyone else or staying out later than everyone else.

    • @dorvinion
      @dorvinion 3 месяца назад +2

      Text primarily.
      Very good for low volume telemetry or text based communications.
      I think its capable of doing a binary payload like an image, but its very slow so not practical.
      You do need line of site however so having some nodes at higher elevations would be helpful

    • @DarkShadowCustoms
      @DarkShadowCustoms 3 месяца назад

      @@dorvinion thanks for the info. I might have to look into it more then. We might not be able to have our meme war, but at least we can message each other. It might be a viable back up to using GMRS radios.

  • @bowbreaker1
    @bowbreaker1 3 месяца назад

    Just literally described how some stations have ruined APRS in a region

  • @ryanhuggins
    @ryanhuggins 2 месяца назад

    The messages in the first screen shot...

  • @jaqhass
    @jaqhass 2 месяца назад

    If you wana split hairs it would be ”package” but ”packet” works.

  • @britishtechguru
    @britishtechguru Месяц назад

    I have multiple LoRa modules. I have never used them as a LoRaWan purely because I foresaw this system overload. LoRa is phenomenal for sending back data from remote devices. For an internet replacement which is kinda what Meshtastic is trying to be, it's going to be dismal.

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  Месяц назад

      I don’t really see the Meshtastic team trying to replace the internet at all. Just light weight messaging. Keep it Short Fast in contested areas.

    • @britishtechguru
      @britishtechguru Месяц назад

      @@HamRadioCrashCourse But that's something cell phones and messaging apps on tablets do far better.

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  Месяц назад

      They only can do that because of the internet data capabilities and high speed wireless. Try doing that on your own and you see what Meshtastic is so special.

    • @britishtechguru
      @britishtechguru Месяц назад

      @@HamRadioCrashCourse That still doesn't get away from Lorawan being pretty dismal in terms of transmission speed. Sure - you can mesh it with regular internet but then it's not pure Lora. The whole point of LoraWan is to get AWAY from having to route everything through the regular internet.

  • @KB5UTY-Dave
    @KB5UTY-Dave 3 месяца назад +1

    Links to videos mentioned please

  • @systemchris
    @systemchris 3 месяца назад

    Its like a broadcast storm in old networking haha

  • @aquahood
    @aquahood 3 месяца назад

    I would also be interested in high frequency contacts and digital contacts again they have no interest in computers or digital and are so old I'm in my 50s and was by far the youngest person there and probably was the only non-native Swiss who didn't attend ZTE which is one of the best engineering schools in Europe and you should check out the HP 9 exam it's absolutely impossible unless you're an engineer HB3 is okay and I can do it in French. Of

  • @LarryL619
    @LarryL619 3 месяца назад

    I wonder what impact a saturated environment has on battery/power consumption.

    • @MXarcx
      @MXarcx 3 месяца назад

      Radio is definitely using more power if it's constantly receiving and transmitting packets.

    • @land_and_air1250
      @land_and_air1250 3 месяца назад

      Increased but if it’s nrf based it will still use a trivial amount of power on the order of 100-200 mah per day

  • @huh4233
    @huh4233 3 месяца назад

    Think about all the keep alive pings that are broadcast every second on a typical network.

  • @jeffrbake
    @jeffrbake Месяц назад

    What is the device with the keyboard? Is that a mini Linux computer running meshtastic?

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  Месяц назад

      It’s a RakWireless Meshtastic device. It’s a custom job.

    • @jeffrbake
      @jeffrbake Месяц назад

      @@HamRadioCrashCourse cool! Do you know if they would be willing to make another one, or who to ask about it?

  • @unwin42
    @unwin42 3 месяца назад

    MQTT uplink and downlink are ON in that QR code

  • @patrick70335
    @patrick70335 3 месяца назад

    Question: does changing from Long Fast to Short fast affect the battery life? I am looking for something to extend battery life on those solar satellite nodes I plan on setting up between Maine and SoCal... (just kidding, though that would be amusing an expensive)

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад

      Try and tell us.

    • @MXarcx
      @MXarcx 3 месяца назад +1

      Just get a nrf based device (like the RAK) and a decent sized solar panel with decent sized battery and you shouldn't have any issues with battery life.

    • @land_and_air1250
      @land_and_air1250 3 месяца назад

      No the battery usage is the same. Actually short fast uses less because it’s a shorter transmission time. 300x faster than long fast and with far more than 1/300 the range

  • @Tom_Neverwinter
    @Tom_Neverwinter 2 месяца назад

    it has the dsd+ issue LOL it isnt smart enough to fence off a gps area for the devices so it doesnt get gridlock

  • @toriusblackwell7523
    @toriusblackwell7523 3 месяца назад

    Is there any way we can connect a Motorola T900 to this for textin?? Please say there is a way

    • @randykitchleburger2780
      @randykitchleburger2780 3 месяца назад

      If you're crafty you could swap the internals.

    • @MXarcx
      @MXarcx 3 месяца назад

      That would be an awesome challenge to re-use the case, screen and keyboard, but swap the internals.

  • @N0SSC
    @N0SSC 3 месяца назад

    6:26 “highly contested” 😜

  • @beachthor1
    @beachthor1 3 месяца назад

    It seems like the Meshtastic network is either completely unheard of or completely saturated depending on the area. The more I watch about it the less enthused I am.

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад

      The thing to remember with Meshtastic is you should flesh out your own network. If you can pick up others, great, but it’s supposed to be an off-grid mode for your important communications.

  • @spleenware
    @spleenware 3 месяца назад

    There is an alternative called Ripple.

  • @radiotowers1159
    @radiotowers1159 Месяц назад

    Someone explain simply ,what is meshtastic and what is it for , and why would I want it ?

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  Месяц назад

      Yeah. I made a video over a year ago that explains it. Simply, these small devices create their own network, disconnected from the internet to exchange text messages. They can send encrypted messages as well over this mesh network they create. Anyone with a desire to text message if standard networks goes down may want Meshtastic devices.

    • @radiotowers1159
      @radiotowers1159 Месяц назад

      @@HamRadioCrashCourse Thanks I’ll have a look back, I hope it uses 800Mhz band not 70cms as a lot of devices seem to be creeping on to the ham bands

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  Месяц назад +1

      It's 917 MHz.

  • @dalepres1
    @dalepres1 3 месяца назад

    Life is wonderful; we live and learn every day. Seems like those working on this can easily devise a configurable limit to any mesh network. Don't hard wire it, make it configurable. Problem solved.

  • @VelcorHF
    @VelcorHF 3 месяца назад

    Go with “Transmit Storm” or “CHIRP Storm”

  • @k6usy
    @k6usy 3 месяца назад

    If I was there with people I wanted to be able to communicate with - I would just switch to another frequency.

  • @aquahood
    @aquahood 3 месяца назад

    I am a lawyer admitted all the way to the Supreme Court so legally speaking I think I'm correct in my legal opinion because for all federal purposes and under federal law my domicile is Kentucky. Therefore this being a completely federal law and Federal Regulation based issue my domicile officially for federal law reasons including the FCC would be Kentucky so I could take legally buy distance with a willing person who will administer the exam my entry level amateur radio license in that manner in English.

  • @nrdgrrrl
    @nrdgrrrl 3 месяца назад

    I know this is expected. I want what comes after meshtastic. Some one must be working on a new technology that has no node limit. I feel like that would go global (or continental I guess) really quickly.

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад

      I think people don’t fully understand the node limit. It isn’t what you think. It’s three hops by default up to seven.

    • @nrdgrrrl
      @nrdgrrrl 3 месяца назад

      @@HamRadioCrashCourse I guess, maybe I should just try it out and see how it goes :)

  • @fredc3543
    @fredc3543 3 месяца назад

    Yeah, a throttling algorithm to reduce the traffic in congested environments.

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад

      It’s not so much throttling as it is speeding up the transfer so you can have more chirps per minute.

  • @daniell8387
    @daniell8387 3 месяца назад +1

    Potentially problematic message on screen @ 1:34 fyi

  • @Jack-df9gy
    @Jack-df9gy 2 месяца назад

    Skynet finally took over😂

  • @bradmillard1689
    @bradmillard1689 3 месяца назад +2

    I swear, the term "I'll put the link in the description" has to be one of the biggest lies stated by RUclipsrs. I have lost count of the number of times that has been said only to find THERE ISN'T SUCH A LINK!!! I see a lot of links for advertising to support your channel but where is the link for Richards video you said would be in the description???

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад

      Thanks for the reminder!! ruclips.net/video/dxYY097QNs0/видео.htmlsi=pzCKaaWmzfecwSNK

  • @MoparAGE
    @MoparAGE 3 месяца назад

    👍👍👍

  • @aquahood
    @aquahood 3 месяца назад

    Yeah I'm in a region where everyone in the radio club is 60 years or older engineers and that's the club and they don't want anyone else in it especially not anyone coming with a computer background or any other new type of technology and being a dual National they were also clearly members of the national party here and I was made clear that I was not welcome. Bern Amateur Radio Club (Aventura cranky old farts who are ultra nationalistic and if you weren't born Swiss you aren't Swiss even if you have the passport and we live in the only direct democracy in the world). It's sad because it has an extremely long history and I assume that it will die out with this group of individuals who are passive-aggressive and extremely cruel. I would guess this would violate one of the international and National regulations but I'm not going to mess with that.. sad because I've been interested since I saw a man using an old Kenwood on the high frequencies in North Carolina as a teenager born in Kentucky and lived in Colorado Montana now abroad for 23 years.
    The US federal law states that my last and current voter registration and US domicile is the last domicile which I held before I left which is my mother's home. If that's the case then since this is a federal law we're dealing with my domicile is officially Kentucky for federal purposes so I should be able to take a remote test. I then should be able to take advantage of reciprocity.

  • @devinhedge
    @devinhedge 3 месяца назад +1

    I disagree that it isn’t a failure of Meshtastic. It’s a limitation. The old adage is, “we are really bad at planning for success.”

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад +2

      It’s not a limitation. The user is expected to tune that setting for their environment. Which is what we should want here, user control.

  • @TheRealEtaoinShrdlu
    @TheRealEtaoinShrdlu 3 месяца назад

    Still a packet.

  • @aquahood
    @aquahood 3 месяца назад

    But after I was treated so Bradley after I was so nice every time I had any contact with him and enjoyed doing the fox hunting and was even successful on my first Fox Hunt having found all of the beacons. It was fun to get outside and meet new people but apparently they didn't want to meet me. Werbet secure social demographic would be the most likely to contain SVP or UDP which is our nationalistic or hyper nationalistic political party and uncertain issues I actually agree with them because I believe in Swiss neutrality and I didn't come here for a job or money I came here for love. And then I have learned that it's a direct democracy and I understood that they actually use the US Constitution and it's more of a republican version of the Constitution that it would be a Democrat won so being conservative myself but not ridiculously and stupidly so like people who support Trump and excuse me if you do but you're foolish if you think he cares about America at all he's completely self-serving and has no right to sit in that chair. But that's just my own political opinion but I do come from four generations of politicians my father always preached you're an American first and your party second and you can agree to disagree and still be friends. I'm watching America weekend itself in the eyes of everyone worldwide through your own internal conflict which you should never put on displayas you can agree to disagree and still be friends and still be Americans.

  • @wherami
    @wherami 3 месяца назад +1

    Mesh ddos lol

  • @Yelnats101
    @Yelnats101 3 месяца назад

    That’s all the ham community here is talking about. Meshtastic

  • @aquahood
    @aquahood 3 месяца назад

    So there's no point in me trying to get the instruction and training that I should have to be responsible operator here from such ignorant people and I wasn't born here but I am Swiss I have two children here and their mother was actually adopted by the family who founded the Red Cross so I don't know how much more Swiss one can be because very few people here are any more genetically Swiss more than one or two generations back. It's also a country historically that was founded on diversity because there's four different distinct languages and cultures and they figured out a way to get along through consensus so the whole idea of this party is mistaken in a historical context. Play getting back to radio I think legally from a federal law of perspective that I'm entitled to reply and take my distance the entry-level exam using my current US domicile for voting purposes and tax purposes which is my mother's house. I think that is both legal and appropriate and then would allow me to transition to hb3 with reciprocity.

  • @LarsLarsen77
    @LarsLarsen77 3 месяца назад

    Mesh networks seem like a good idea, but it's not, it's a horrible idea.

  • @nvrmor023
    @nvrmor023 3 месяца назад +2

    Hams ruining meshtastic like they are ruining gmrs. Stop trying to turn everything into a way for you to contact strangers.

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад

      Mind your own business? Make your own primary channel if you don’t like it?

    • @nvrmor023
      @nvrmor023 3 месяца назад +1

      ​@@HamRadioCrashCourse maybe stay in your liscensed airwaves lane and leave something for the rest of us who dont want to be hams?

    • @mineton1293
      @mineton1293 3 месяца назад

      @@nvrmor023 bro hams have just as much right to those frequencies as you do. Also they can't use encryption on the ham bands. literally nothing is ruined for your use case if you just change the frequency slot for your channel, you don't talk to strangers, and they can't over saturate your network

    • @HamRadioCrashCourse
      @HamRadioCrashCourse  3 месяца назад

      @nvrmor023 lmao. Bro, you have no idea what you’re talking about.

  • @kd8icq
    @kd8icq 3 месяца назад

    One can only hope. Meshtastic is ridiculous

  • @zachscott4867
    @zachscott4867 3 месяца назад

    Thanks for making many people smarter, one video at a time. KN6ITJ