[MRCA] Midnight Oil Project

[Rob Flory]

I think Steve has it, what I know as a "bias T" to send control with RF
over coax.  I have often used + or - voltage to get 3 "positions" at the
far end.

RF

On Mon, Mar 30, 2026 at 5:46 PM Steve Marrow via MRCA <mrca at mailman.qth.net>
wrote:

> Power over the coax to Rx amplifier or tuner.
>
> Steve
> KM4V
> ------------------------------
> *From:* mrca-bounces at mailman.qth.net <mrca-bounces at mailman.qth.net> on
> behalf of Mike Feher via MRCA <mrca at mailman.qth.net>
> *Sent:* Sunday, March 29, 2026 7:57 PM
> *To:* 'B. Smith' <smithab11 at comcast.net>; 'Military Radio Collectors
> Association' <mrca at mailman.qth.net>
> *Subject:* Re: [MRCA] Midnight Oil Project
>
>
> SWR bridge with LED indicator? Blessed Easter to all – 73 – Mike
>
>
>
> Mike B. Feher, N4FS
>
> 89 Arnold Blvd.
>
> Howell NJ 07731
>
> 908-902-3831
>
>
>
> *From:* mrca-bounces at mailman.qth.net <mrca-bounces at mailman.qth.net> *On
> Behalf Of *B. Smith via MRCA
> *Sent:* Sunday, March 29, 2026 9:59 PM
> *To:* Military Radio Collectors Association <mrca at mailman.qth.net>
> *Subject:* [MRCA] Midnight Oil Project
>
>
>
> Last night's Midnight oil project.
> Z
>
>
>
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