Davidbt
Member
Yes, thanks
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SWR higher on SSB
- Thread starter Backwoods40
- Start date
Davidbt
Member
I finally got my swr's down to 1.3-1.5 across the am bands with the help of @niceguy71. Basically the magnet wasn't sitting flat on roof of my truck.
robertwbob
KE0WRU
simplest things can send a bad day trying to get set proper.pays to step back eye review rinse repeat and most times answers come out
Varmonter
Member
I have a question. Does an swr protection circuit only read reflected power? If so could an swr meter in line attenuate some of that reflected power causing the original posters radio to not shut down..this would explain why it was fine when he put the meter in line??
paulears
Member
Yes - perfectly possible but a meter than actually attenuated would hardly be a good product, would it! It would attenuate reflected AND forward power by the same amount.
707ways2Sunday
Member
I don’t know if Backwoods40 ever solved his problem. I scanned through the thread again and didn’t see where he had. After reading one of his posts where it fixed itself when he had the external meter inline, but then later high again with the meter in line, I’m pretty sure he got his answer the first response!!!!
So many different manufacturers supply SO239 and 259 these days and they are by no means standardized. I’ve run into this like 3 times in the last couple of years. Connection will appear tight no play but the ground connection is not sound.
Same symptoms he described. Only shows its ugly head with increased power. A manufacture 1:1 balun I have the threads on the so239 were slightly to short. Erratic SWRs with modulation.
I brought down a 3 element Yagi I made that I had up and was using when the same problem occurred. Tore it all apart thinking maybe it was a design problem. It was the SO239 bulkhead connector on the balun that was the issue. I replaced that part with one with deeper threads and all good.
So many different manufacturers supply SO239 and 259 these days and they are by no means standardized. I’ve run into this like 3 times in the last couple of years. Connection will appear tight no play but the ground connection is not sound.
Same symptoms he described. Only shows its ugly head with increased power. A manufacture 1:1 balun I have the threads on the so239 were slightly to short. Erratic SWRs with modulation.
I brought down a 3 element Yagi I made that I had up and was using when the same problem occurred. Tore it all apart thinking maybe it was a design problem. It was the SO239 bulkhead connector on the balun that was the issue. I replaced that part with one with deeper threads and all good.
slowmover
Active Member
There’s an answer from Master Yoda.
Takes awhile to get up on plane.
When achieved, some problems fade . . . .
.
Krossman71
Member
Hello all, I have installed a Stryker 995hpc+ in a honda civic . Stryker a10 magnet mount . My issue is the swr is 1.1 on 1 and 1.4 on 40 . When I try usb or lsb I get high warning or the mic won’t key up at all . I’m using a power adapter cord 12 volts to the cars power outlet Stumped . I switch back to my sirio turbo 5000 and both antennas are two weeks apart new . The Stryker magnet anten will not calibrate on sideband . Any ideas ? Thanks
niceguy71
Active Member
you calibrate and read SWR on AM only.. NOT SSB .... to measure SWR you need a constant RF output which YOU CAN NOT GET WITH SSB.
putting a SWR meter that would work with SSB in a radio would cost more than double the radio... so all radio's just read and set SWR on AM.
the warning light was talked about in other posts and I've forgotten the results found... when you say the mic won't key up? I'm assuming it's because the SWR warning is on??
set the Stryker antenna SWR on AM and it will be set for AM, FM, and SSB.
set it out in the open like in the middle of a field or a parking lot without any light poles....and see what happens.... let us know if it's still doing it
Last edited:
robertwbob
KE0WRU
get that radio hooked to the battery. it eats lectricity and its not good using a lighter/power point connection. im suprized it didnt shut down when you keyed it up on am unless you got the top left outside knob or ring might say turned way down. are you using external swr meter? need to use a good external meter.
now in the menu you can shut the swr warning off and it wont shut radio down to where it wont key up. but while in menu set the voltage to show on screen n i bet you key mic the power falls faster than a pair of walmart 2 bit socks on your feet
Krossman71
Member
Going to take the time and wire this to the battery . External swr meter being used . I don’t trust the radios internal swr meter readings I’ll report back . Thanks
niceguy71
Active Member
when you wire it, the positive needs to go to the positive of the battery with a fuse. ( I like to use a relay so the CB shuts off with the key )
you want to ground the negative as close to the radio as you can ( not to the battery ) I like to pull up the carpet where your toes sit and drill a 5/16' hole in the floor board, grind the paint off and put a 5/16 bolt with a ring terminal on the bolt and then put a lock nut under the floor.... it will help a great deal.
