Subj : Re: CB experiments
To   : Weatherman
From : Ginger1
Date : Wed Feb 12 2025 09:36 pm

 Re: Re: CB experiments
 By: Weatherman to Ginger1 on Sat Feb 08 2025 02:36:00

> SWR = Standing Wave Ratio.  Compares the signal output to the RF returning
> along the coax.  A tuned antenna system will have a low SWR, meaning more
> signal is transmitted compared to what is returning through the coax.  SWR
> of 1.5:1 are good, 1.0:1 is perfect.  SWR of 3:1 or below is acceptable.

Thank you - that makes some sense!

Is this different to the meter on the CB radio itself? Mine has a meter with a single needle, but two gauges - one labelled signal, the other power.

And I've been reading about tuning the antenna - but what is there to tune? Does this mean the direction it is pointing in? I have a car-mounted whip antenna - and I can adjust the angle it points at, but not much else. I've only tried it perpendicular to the car roof.

Do Squelch and RF Gain have a role (I have knobs for these on the radio).

Apologies for the newbie questions!

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