nope, it can be any length, but 3' is easier to work with than 2', and the meter I posted the link to comes with a 3' jumper...Can't order that one with anything different...
CB antenna tuning?
Discussion in 'CB Radio Forum' started by 4x4jeepmanthing, Jul 11, 2018.
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Technically, coax doesn’t need to be any certain length, it’s just common to have a 3’ length on a jumper for a meter.
Just sayin... -
When you assemble a new antenna for the first time, it can easily measure 300 ohms, and loads of reactance.
Reactance varies with frequency Due to capacitance and inductance . Capacitance and inductance cause phase shift which turns the random cable into an impedance transformer thus preventing an accurate measurement from being taken.Last edited: Jul 14, 2018
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I definitely hear a lot less chatter over the radio now that it's been tuned, almost nothing at all unless it comes in clear. I had been able to hear all kinds of junk
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The better I make my system, the “more” I’m able to hear.
Rather the point of being able to use RF Gain and/or Squelch as designed.
The West Mountain Radio ClearSpeaker makes those distant ones intelligible, depending on the amount of DSP (filtering) chosen.
With all three I can sort of pick & choose to whom to listen. Or, which group (ha!). -
That doesn’t sound right to me. Did they do anything to the radio or just the antenna? I’m sure you have the squelch and rf gain set correctly. Unless the junk you are referring to is skip, it has settled down some lately. Even so you should still be able to hear radios around you like you did before they worked on it.skellr Thanks this. -
Did you notice the level of static go down, slightly, after the antenna was tuned? That might be a better indicator. -
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