Folks -
Im also working on a SB221 (modified for 10) that wont load on 80 under
about 3.95 mhz. I measured the resonant frequency of the plate coil and it
doesnt seem to dip below 4 mhz. I looked at the bottom of the plate coil
and perhaps several turns have been removed? Can someone with a 220/221
tell me how many turns are on their plate coil below the 40m tap? Mine has 10.
Dana
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