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Tell me about CB's

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12 Jun 2016 12:46 #168403 by 1066Boy
Replied by 1066Boy on topic Tell me about CB's
Thats what i use. :) If you get snagged on a low tree it just slides off. I have used gutter
mounts etc in the past and it makes a mess when it gets ripped off. :(

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12 Jun 2016 15:07 #168405 by mark98
Replied by mark98 on topic Tell me about CB's
Will using a mag mount create a good ground plane, or do I need run a wire to the metal work? As far as I can tell, a mag mount should achieve a decent ground plane.

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12 Jun 2016 15:20 #168407 by 1066Boy
Replied by 1066Boy on topic Tell me about CB's
The mag mount on its own will be very good. In an ideal world, near the center of the roof.
But it will still work well off center, just altering the shape of the radiated signal. B)

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12 Jun 2016 15:26 #168408 by mark98
Replied by mark98 on topic Tell me about CB's
Thanks, about to put my order in! Should be here next week I'm hoping. :)

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14 Jun 2016 20:47 #168571 by mark98
Replied by mark98 on topic Tell me about CB's
All fitted now. :)

I went to check the SWR, and either my setup was perfect or I did something wrong when checking it as the needle on meter didn't move. I followed the instructions that came with the meter, but I couldn't seem to make head nor tail of what I was meant to be doing. How do you check the SWR?
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15 Jun 2016 17:34 - 15 Jun 2016 17:35 #168618 by 1066Boy
Replied by 1066Boy on topic Tell me about CB's
Connect the aerial to the SWR meter then the short lead from the meter to the back of the CB.
Set the CB to channel 20. The SWR meter should have a Forward/reflected switch.
Set to forward, key the mike and the needle should go up. Adjust the knob on the SWR meter
until the reading is 100% (all the way right.) The meter is now calibrated. :)
Change the switch on the meter to reflected and key the mike. This will give you your reading.
You are looking for a reading of 1.5 :1 or lower. Any higher it can damage the cb. The lower
the number, the better the match of antenna to radio wave. :)

Hope that makes sense, it did to me as i was typing it. :laugh:
Last edit: 15 Jun 2016 17:35 by 1066Boy.

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