Long ago I had a half wave antenna on my roof and one tuner. I have the same Radio Shack radio & tuner now but I have to cobble antennas together to hide them from my condo association. I can't use the 1/2 or 1/4 wave base antennas and I only have a mobil bumper mount antenna to use. I definitely do not have the good set up I had 50 yrs ago.I only use a SWR meter at the antenna when tuning the antenna. There are available very expensive waterproof external automatic antenna tuners but you have to run power out to them. Not a typical installation. CBs have very limited legal power available. Long ago I learned that radio power is useless without an antenna to radiate it. The better the antenna the better it radiates that power and money spent on antennas gives a better return of value than spending it on better radios. Simple things like elevation, wavelength, coax losses pay great dividends. If you have to use 2 tuners to get a better signal then you need a better tuner. In fact, you shouldn't even need a tuner for CB if your antenna is tuned.
That's what I'm trying to do. I've tried to figure out how the Radio Shack tuners work but it's hard to make sense of them. They work but when I check continuity, half of the unit seems shorted out. It's not one bad tuner, both are identical. If I understood that part more I might experiment with new or modified tuners. As it is, it's not worth the effort at this time in my life.Just remember, you can make a antenna from just about anything conductive with the right tuner. It might not be the best antenna but that's rarely needed in most conditions.
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