LCARA HAM Radio: Troubleshooting Our 2M Repeater!!!!
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- Опубликовано: 9 фев 2023
- Welcome to the Lake Cumberland Amateur Radio Association Club's RUclips Channel.
Trouble on the mountain! Let the troubleshooting begin.
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To join Lake Cumberland Amateur Radio Association you can email dmunsey@windstream.net. You do not have to be local to our area and with Echolink, you can join in the fun on the Nets!
President - Don Munsey, AC4DM
2M Nets:
Sunday @8:30pm Eastern in the USA
Tuesday @8:30pm Eastern in the USA
10M Net:
Thurdday@8:30pm Eastern in the USA
Echolink - AC4DM-R
Kentucky DStar Net:
Thursday @5:00pm Eastern in the USA
Reflector 056B
Repeaters:
2M - 146.880 PL Tone 77Hz
70CM - 443.600 PL Tone 100Hz
DStar - 444.8375 Digital Voice (DV)
GMRS - 462.700 PL 118.8 (Please ask for permission to use when you are in the Lake Cumberland area)
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www.lcara.net
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/ lakecumberlandara
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#LCARA #hamradio #repeater 
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that is clearly desence, you can tell when the rx starts before the tx comes up and the it goes to pieces, this could very well be from a BAD ant, you cant always tell if it is bad or not based on an ant sweep, those colinear ants are really bad for getting bad joints in them creating broad band noise on your RX in which it is impossible to overcome with the dupplexer , electrically they may look perfect but be impossible to use on a repeater. you might be able to see the interference being generated on a spectrum analyzer, im sure that 50KW tv transmitter next door don't help either....i would recommend a different ant, something like a commercial 4 bay dipole and see if it don't go back to duplexing, at least something different than the one that is having problems...73 KG4LKY
Tip on the laptop (or any computer) - delete Norton. Resource hog! Considering what this laptop in your video is used for, the built-in Windows Defender is more than sufficient for protection. Control Panel > View by Icon > Programs and Features > Select Norton > Uninstall > delete all files, if it asks. I'm not implying this is the noise issue, it's just unnecessary resource hog on computers.
I had a similar issue with one of my sites and I traced it to a bad wall wart that was powering my router at my site. I could plug it to ac and it would knock my rx almost out . Kn4trv
I had an solor controller do that to me one with an 2 meter repeater
We had a similar issue with our Fusion repeater. AE9OZ swapped out the internal coax jumpers inside for better quality cables than provided by the manufacturer and it seemed to fix the desence issue we were having. de W9KHP
great job
Nano VNA 's are not a good device for tuning duplexers in theory they seem to
work little but nothing beats service monitor . It's something you throw something together and another thing acts up . Should be a good fix for now .
Is that fence grounded? Also, if your duplexers are north of 30 years old, replace them.
What’s in the black pelican box at the 11 min mark? I like that. Please do a video on that along with other testing and diagnostic equipment. Thanks
No offense, but it isn't a BI-plexer it's a DI-plexer. Not to be confused with the proper name of the cans, DU-plexer