JN wrote:
Now 75m hamsicks seem to have abt. 60mikroH coils.
If you use 2x6Ft extenders at center you need 71 mikroH to resonate at
3.56Mhz.

Which gives you incentive to replace the hamstick
coils with relatively high-Q coils and thus increase
your radiation efficiency by magnitudes.
--
73, Cecil http://www.w5dxp.com