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 silver rod swr

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skyrider
Major contributor
Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

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PostSubject: silver rod swr   silver rod swr Icon_minitimeSun Nov 06, 2022 11:33 am

well i seem to be having trouble swr'ing my silver rod i have the ant at the moment  poking out about four feet out of the tree and though it has it's own ground planes i have fixed an earth wire on to the ant and on a steel bar in the ground and i cant get the swr down even when i loosen the bottom jubilee clip and drop the ant down , do you think im dropping it too much at a time ? the ant is a venom high gain silver rod 1/2 wave 4.5 db gain
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Tonyvic
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Tonyvic


Call Sign : 26-CT-4013/M7DVQ
Posts : 233
Times Thanked : 12
Join date : 2021-02-24
QTH or Location : Brighton, East Sussex
Equipment Used : Yaesu 991a - Imax 2000 - CRT Electro - Sharman X50
Age : 77

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PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeSun Nov 06, 2022 11:46 am

I have had two in the last 2 years and they both had a mark (Marker pen) on each section, I used the marks and both gave a reasonably swr reading.
Good luck.

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https://allradio.co.uk
skyrider
Major contributor
Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

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PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeSun Nov 06, 2022 3:30 pm

yes this one does on every section but after i have tried to set the swr it just swings into the red (over 3)
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Tonyvic
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Tonyvic


Call Sign : 26-CT-4013/M7DVQ
Posts : 233
Times Thanked : 12
Join date : 2021-02-24
QTH or Location : Brighton, East Sussex
Equipment Used : Yaesu 991a - Imax 2000 - CRT Electro - Sharman X50
Age : 77

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PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeSun Nov 06, 2022 7:06 pm

In that case Lionel, I would say either a bad antenna or Coax/pl259 connections.

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skyrider
Major contributor
Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeSun Nov 06, 2022 8:31 pm

ok the coax is new with factory fitted pl259's and the antenna is new also so here is the thing , do antennas have to have a pole at the base as i have screwed my ant directly to the tree and the screws are through the holes where you would normally fasten the pole hoops, but as i have said before i have put an earth wire on the ant/ pole fixing and into the ground , have i done wrong ?   silver rod swr 1f612
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John Patrick
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John Patrick


Call Sign : 26-CT-4515
Posts : 42
Times Thanked : 10
Join date : 2022-05-11
QTH or Location : Brighton
Equipment Used : Baofeng UV5R - Midland 2001- President Mc Kinley & President Randy III, GT-3TP
Age : 53

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 7:47 am

Good Morning Skyrider

Just a question . what is the coax type and length.
Sometimes going back to basics can help. Can you take off the ground plane you fitted and put the antenna on a fence post temporarily on its own  , does  not matter at this stage its just for testing purposes .It just takes out any possible problems.  I think the tree may have adverse affect surrounding it etc. A silly question on the swr meter that you know forward and reflected switching Embarassed . sorry to ask . Yes the antenna  on a pole does help, but the outer shield of the coax can be a counterpoise it self. Hopefully no offence is taken with these questions etc. Hope this is a start into fixing your issue. Please keep us informed as you go along.

Kind Regards John  CT4515. Very Happy:D:D
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chazwozza
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Posts : 122
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Join date : 2020-02-15
QTH or Location : England
Equipment Used : Radios

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PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 7:49 am

Id start by removing the earth wire
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skyrider
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Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

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PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 10:41 am

right the coax is RG58 and it is 22ft (7m) is that too thin and too short ?
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skyrider
Major contributor
Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 10:57 am

a few years ago when i sold my midland radio i also sold the guy my proper home base coax and my silver rod , so moral of story keep all your old stuff because someday you are going to need it  Rolling Eyes
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skyrider
Major contributor
Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 11:05 am

ps good morning John and no offence taken  silver rod swr 1f44d
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skyrider
Major contributor
Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 11:11 am

morning chazwozza one thing i did notice the swr problem was exactly the same after i had put the earth lead on as it was in the first place so i don't think it's doing any good anyway
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Alan Pilot
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Alan Pilot


Call Sign : 163-CT-220...MW7TTA
Posts : 2510
Times Thanked : 69
Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 150

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 2:49 pm

Have you got a multimeter to test the coax pin to pin and outer to outer and so on for a short.
Can't see the tree giving you end to end bad SWR.
My money is on the coax.
You do the set/fwd and get it to zero then flick the switch to ref and it goes to the red ?????.
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skyrider
Major contributor
Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 2:59 pm

now then just been outside in the damp and cool weather to have another go at the ant/coax and i discovered that the pl259 wasn't screwing into the ant because the threads are knackered , the threads on the ant are ok because i tried with a patch lead which worked so i have just got in touch with rocket radio that i bought the coax off to see if they will send me a replacement so now waiting for an answer
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skyrider
Major contributor
Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 3:03 pm

Hi Alan we wait with baited breath and see if we get a favourable answer i hope so seeing as i got the silver rod off them as well  What a Face
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Alan Pilot
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Major contributor
Alan Pilot


Call Sign : 163-CT-220...MW7TTA
Posts : 2510
Times Thanked : 69
Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 150

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 3:04 pm

You got anybody local to you that could fit you a new pl259.
Just a thought as well you will need to tape then up after to stop any water getting in they aren't water tight the fitted plugs.
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skyrider
Major contributor
Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 3:43 pm

im thinking of taking the coax off as it's no good as it is, and no cb shops handy perhaps a tv shop could help me out anyway see what happens with rocket radio
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skyrider
Major contributor
Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 3:44 pm

plus i would still like to know if the rg 58 is good enough
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Alan Pilot
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Major contributor
Alan Pilot


Call Sign : 163-CT-220...MW7TTA
Posts : 2510
Times Thanked : 69
Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 150

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 3:50 pm

rg58 is where we all started i bet.
It will do the job but you can get better.
I use 8x not the best but does the job for me plus i only have shortish run's it's the next one up fron rg50 but a tad thicker.
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skyrider
Major contributor
Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 3:53 pm

at the moment im on a 7 metre length and i think i will get some thicker stuff anyway
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Alan Pilot
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Major contributor
Alan Pilot


Call Sign : 163-CT-220...MW7TTA
Posts : 2510
Times Thanked : 69
Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 150

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 4:31 pm

The 8x is plenty good enough plus easy to work with.
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skyrider
Major contributor
Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 4:49 pm

great that's the stuff i will go for then thanks Alan ps is that the RG 8X thanks


Last edited by skyrider on Mon Nov 07, 2022 6:53 pm; edited 1 time in total
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skyrider
Major contributor
Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 4:52 pm

rocket radio have been in touch and Mark says he will sort it
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Alan Pilot
Major contributor
Major contributor
Alan Pilot


Call Sign : 163-CT-220...MW7TTA
Posts : 2510
Times Thanked : 69
Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 150

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 5:08 pm

Hope they are quick.
I hate waiting lol.
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skyrider
Major contributor
Major contributor



Call Sign : 26-CT-4654
Posts : 359
Times Thanked : 2
Join date : 2022-09-25
QTH or Location : Preston, Lancs.
Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod
Age : 64

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 6:37 pm

so do i  bom
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John Patrick
New Member
New Member
John Patrick


Call Sign : 26-CT-4515
Posts : 42
Times Thanked : 10
Join date : 2022-05-11
QTH or Location : Brighton
Equipment Used : Baofeng UV5R - Midland 2001- President Mc Kinley & President Randy III, GT-3TP
Age : 53

silver rod swr Empty
PostSubject: Re: silver rod swr   silver rod swr Icon_minitimeMon Nov 07, 2022 6:56 pm

Hi skyrider

Thank you for update . Turns out to be possibly the coax , well you would think from a radio shop that it would be checked  . Hope you get a new one soon with good coax plugs on. 
RG58 is a good  for shorter runs , but as everyone has said you can get better.
Good luck .

Regards John
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