[hpsdr] Alex TX board T1 and T2 Primary

[dlwaddel at netzero.net]

Would someone explain to me why the primary of T1 and of T2 of the Alex TX board requires teflon insulated wire versus PVC insulated or enamelled wire? The "Toroid Manufacturing Table" says "Plus a separate single turn winding, #18 teflon insulated thru center"

FWIW, the parts list states the primaries are wire staples.

Teflon insulated wire is quite costly for the mere four inches needed for T1 and T2 and I'm hoping I can use PVC insulated or bare copper wire that I have on hand.

Thanks,
Don K3DLW
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