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Best length for Lowest SWR

Joey Migs

Member
Apr 20, 2009
14
0
11
59
I am currently building a sloping 1/4 wave ground plane. I have a Cobra 148 modified to about 28 MHZ( operating range 10 to 11 meters). What frequency should I use per resonance, i.e. for what frequency should I cut the length of the radiator so as to maintain a acceptable SWR across the board. Thx, Joe
 


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