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g4aaw pete · 3rd Oct 2019, 7:10 pm

Hello John

I've not seen this particular piece of equipment.
Is the coil in question air-spaced? If so, perhaps squeeze the turns together slightly, to increase the inductance.

3rd Oct 2019, 7:10 pm	#4
g4aaw pete Heptode Join Date: Jan 2008 Location: Birchington Kent, UK. Posts: 596	Re: Modifying Vintage PMR Coils Hello John I've not seen this particular piece of equipment. Is the coil in question air-spaced? If so, perhaps squeeze the turns together slightly, to increase the inductance. __________________ Regards Pete