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Old 12th Nov 2022, 11:14 am   #6
Jon_G4MDC
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Join Date: Nov 2015
Location: Welwyn Garden City, Hertfordshire, UK.
Posts: 2,015
Default Re: VHF filter, Aerial Facilities Ltd

It's been got at.

Originally the PTFE standoffs supported the ends of the coils. Somebody has tried to lower frequency by compressing the turns.

What it really needs is more turns on coils of the original length.

Last edited by Jon_G4MDC; 12th Nov 2022 at 11:20 am.
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