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Old 07-08-2011, 07:47 PM
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rover67 rover67 is offline
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Join Date: Nov 2007
Location: Boulder, Co
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Default Measuring SWR with a Watt Meter

Howdy folks!

I got my hands on a Bird Watt Meter and a suitable plug to use for 2 meters and 50 or so watts.

I am using it to check the SWR on my Maxtrac/plumbers J pole combo in the garage.

I measured 41 watts output and 1.5 watts reflected.

I have 50' of RG-8X.

I used a constant of 3.1DB/100' for the cable.

I used this site to calculate the SWR and got 1.75

http://www.rac.ca/tca/SWR_Measurements.html#power

Is that OK? Does that all make sense?
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