[HBR] 40m osc coil
Tom Dailey
radio at daileyservices.com
Sun Apr 19 15:56:49 EDT 2015
AFTER I wound my coils and AFTER I got things adjusted, I set the coils atop
a cardboard box, with hole cut, so as to allow the pins to stick in, and
sprayed them all with a LIGHT coat of clear lacquer - see, that slightly
melted the surface of the plastic National forms, and "captured" the wire in
the surface melt - the wiring has NEVER moved, and as an accidental bonus,
found that the radio's minimal drift, was now essentially ZERO after warmup.
Purists will no doubt sling their wrath at me, but back in 1964, it
WORKED... and still does.
Tom - W0EAJ
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