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Tell me about CB's

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15 Jun 2016 19:38 - 15 Jun 2016 19:39 #168631 by mark98
Replied by mark98 on topic Tell me about CB's
Followed all the instructions, but every time I do it, no matter what channel, I always get this reading. Everything's plugged in correctly, any ideas what the problem might be? :unsure:

Edit: I don't know why the pictures upside down, quirks of the forum I guess! :silly:
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Last edit: 15 Jun 2016 19:39 by mark98.

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15 Jun 2016 20:14 #168633 by 1066Boy
Replied by 1066Boy on topic Tell me about CB's
Thats way too high!
1st, Set the meter as i said on channel 20.
2nd, leaving the setting as is, check reflected reading on channel 1 and 40.
You should get 2 different readings if the antenna is out of tune.
If you get the same reading on 1 & 40 after setting the meter on 20, start checking
the coax cable for damage. :(

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15 Jun 2016 20:31 #168636 by mark98
Replied by mark98 on topic Tell me about CB's

1066Boy wrote: Thats way too high!
1st, Set the meter as i said on channel 20.
2nd, leaving the setting as is, check reflected reading on channel 1 and 40.
You should get 2 different readings if the antenna is out of tune.
If you get the same reading on 1 & 40 after setting the meter on 20, start checking
the coax cable for damage. :(


I thought it wasn't right. I'll look at the cable tomorrow. Hopefully its not damaged, didn't look it when I ran it through the car. :dry:

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15 Jun 2016 20:35 #168637 by 1066Boy
Replied by 1066Boy on topic Tell me about CB's
I have sent you a pm. :)

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16 Jun 2016 16:47 #168674 by mark98
Replied by mark98 on topic Tell me about CB's
Right, I've had some minor success. By removing the rubber protector boot thong off the base of the mag mount, I've been able to get the SWR down to around 2.8-3, which is still far too high. I presume the aerial and coax cable are all functional as while doing a test, I got quite a surprise when I heard some voices coming through radio, talking in an indeterminate foreign language. So, I think I may potentially have a fairly serious ground plane issue, as there are no obvious problems with the coax cable. Any ideas how to lower the SWR further?

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16 Jun 2016 19:54 #168686 by 1066Boy
Replied by 1066Boy on topic Tell me about CB's
It may be a silly question but is the cb set to EU rather than UK? :blink:

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