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Old June 1st 04, 02:54 PM
Darrel Toepfer
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Paul Lee wrote:
I just posted a question on the RS SWR meter and the thread
dissapeared.

Here is my question again. Is there some way of modifying
the Radio Shack SWR meter (27MHZ) to make it work in the
aircraft radio range (120MHZ)?

I am not asking if I should use it or not but what circuit
modification can be done so it centers in the aircraft VHF
frequencies. SWR circuitry is usually simple and the RS
SWR meter already's got the meter and knobs. Anybody's
done that already?


Since you are hung up on RadioShack:

Vectronics VHF/UHF SWR / WattMeter-BNC
$89.95 Catalog #: 940-0595
Model: VEC732B RSU #: 99400595

http://www.radioshack.com/product.as...Fid=940%2D0595

This meter simultaneously measures forward and reflected power and SWR
in the frequency range. It also simultaneously displays these readouts
on their dual movement meter systems. The meters' true-shielded
directional couplers ensure the accuracy of their readings, and the
backlit displays provide peak or average power readouts. Includes BNC
connector on back. 100 to 500MHz frequency range programmed in three
switched steps. Range settings: 300/3000W. (Mfr. Warranty: one-year.
Size: 3.5x5.3x5.75" (HWD). Weight: 1.2 lbs.)