Many thanks for the comments , here and separately.? That is most helpful for me.
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Additional note:? I have posted stuff about the RF design, including the three plug-in networks.? It is about half-way down in
under "Tuned Circuits."? This includes schematics and layouts for the three plug-in networks.?
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More testing is going on and I will get that up as I can.
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73, Bob? W7PUA