I have a " my antenna's" 80 through 10 end fed and run a lightning arrestor , also run a ground wire from the wingnut on the feed point to a ground rod.
I used to have two 50 watts 145MHz radios and antennas for each two feet apart, one for APRS, one for comm., when I transmit on one radio, Receiving PIN diode on other radio burned up. I replaced that PIN diode with much beefier one made for transmitter. AG6JU
I ran two dipoles, one north/south and one east/west. They crossed each other about 7 feet apart at the center. One radio at a time of course but there was very little interaction from what I could tell.
I've got a hex beam in the center of my roof, an mfj-2010 on the east side, a ZS6BKW with ladder line feeding on the west side, a resonant 75m snaking across the roof to the east then north to an oak tree, a discone in the center to the south of the hex and a Tram tri-bander about 15' east of the discone... Every one of them is either flat SWR on all bands that they're designed for or no more than 1.5 on the edges. Simple Protip: Don't transmit on HF if another rig is on those bands. 😁
My good friend (SK) called me one day and said he is having issues with his 3/8ths 160m vertical. I helped him with the LC network so 30min later we are looking at it and sure enough we had to change the tap and capacitor to bring it back to tune. Back at the shack I noticed his 160 meter dipole was unplugged. ... let's plug it into the switch sure enough the vertical was again out of tune. Unplug the dipole back in tune. I grabbed a screwdriver while Dick held the key down and I could produce a arc from the center conductor to outer conductor. These two antennas was at least 150 plus feet apart.
I have a " my antenna's" 80 through 10 end fed and run a lightning arrestor , also run a ground wire from the wingnut on the feed point to a ground rod.
I used to have two 50 watts 145MHz radios and antennas for each two feet apart, one for APRS, one for comm., when I transmit on one radio, Receiving PIN diode on other radio burned up. I replaced that PIN diode with much beefier one made for transmitter. AG6JU
I ran two dipoles, one north/south and one east/west. They crossed each other about 7 feet apart at the center. One radio at a time of course but there was very little interaction from what I could tell.
I've got a hex beam in the center of my roof, an mfj-2010 on the east side, a ZS6BKW with ladder line feeding on the west side, a resonant 75m snaking across the roof to the east then north to an oak tree, a discone in the center to the south of the hex and a Tram tri-bander about 15' east of the discone... Every one of them is either flat SWR on all bands that they're designed for or no more than 1.5 on the edges. Simple Protip: Don't transmit on HF if another rig is on those bands.
😁
My good friend (SK) called me one day and said he is having issues with his 3/8ths 160m vertical. I helped him with the LC network so 30min later we are looking at it and sure enough we had to change the tap and capacitor to bring it back to tune. Back at the shack I noticed his 160 meter dipole was unplugged. ... let's plug it into the switch sure enough the vertical was again out of tune. Unplug the dipole back in tune. I grabbed a screwdriver while Dick held the key down and I could produce a arc from the center conductor to outer conductor. These two antennas was at least 150 plus feet apart.
2:20 are you going to be at Quartzite for the hamfest?
@@n6mlzn6mlz quite a trip from Michigan.
How are you doing, Dave! 🙂
Do not forget to blink oftenly with your eyelids all day long.
The Dave Clark five
would not the radiation patterns of the two antennas be slightly different enough that it might be useful to keep them both up