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Not sure where you got that I have a low-pass filter...maybe because I asked about them at one point?


The setup is radio, a Mini-8 jumper, Dosy R-1000, 100 feet of RG-8U, and my dipole.  All I do is switch the jumper from radio to radio...


The SWR is the same for either radio...the SWR is approximately 1.4:1 for both radios, on channel 14.  There is no SWR meter in the Washington, but there is in the Grant...its showing 1.5:1.



As you can see, very basic shack...