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How to use a SWR Meter - Part One

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Uploaded by on May 8, 2010

Using a SWR meter to make sure your CB antenna is tuned.

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Science & Technology

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Uploader Comments (UKCBTV)

  • Hi again. Did you ever own an Imax 2000 CB/HAM base antenna? If so do you think it is worth buying? Thanks!

  • @pyrofful - I'm using one using one now, it's long and floppy, works about the same as a A99 on local contacts and the short summer skip too (300-1500miles),  but does work better than the A99 on the long skip and I've had contacts over 7000 miles with it this year.

  • What does it mean when it reads 1.5 on channel 1, 1.8-2.0 on channel 40, and 0 on channel 20?

  • @pyrofful - the readings are pretty good anyway, but some improvement may be seen by shortening the length of the antenna a bit (no more than 1/8 of an inch at a time). You'll probably end up with around 1.6 on Ch1 and 1.6 on Ch40 with Ch20 showing 1:1.

  • How could you make an antenna longer?

  • @bben95 - most antennas have some sort of telescopic section that allows it to be tuned for SWR. Some have tuning rings (Antron/Solarcon99, Imax and Dial-a-Match for example).

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  • @UKCBTV OK because I changed my mine I now want a Imax 2000. Also does it act as a big lightning rod, and cause some problems?

  • @UKCBTV Thanks a lot!

  • 1.5 and under is ideal

  • better off doing your swr on channel 20..

    anything below 3 is fine, i mean i would rather have my rooftop antenna thats 1.7-2.0 swr then my shed mounted one that is 1.3-1.5.

    I also always keep my coax as short as possible and then adjust my antenna accordingly.

    Had that same swr meter bought it from tandy in exeter for £9.99 back in 1994..

    great videos by the way... 73s

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