[ARC5] SBD HF radio ?

[Mark K3MSB]

Thanks for that file Mark.

I know I have it somewhere but couldn’t find it.   It’s a good reference.

73 Mark K3MSB

On Mon, Oct 19, 2026 at 7:19 AM MARK DORNEY via ARC5 <arc5 at mailman.qth.net>
wrote:

> Hope this helps. Ancient Download
>
>
> Mark D.
> WW2RDO
> “In matters of style, float with the current. In matters of Principle,
> stand like a rock. “.   -   Thomas Jefferson
>
> Sent from my iPhone
>
> On Oct 18, 2026, at 6:35 AM, Craig Cantwell via ARC5 <arc5 at mailman.qth.net>
> wrote:
>
> 
>
> Anyone know this?
>
> SBD-5  had only 2 channel MHF radio
>
> SBD-6 added 4 channel VHF radio
>
>
>
> This fact from 2 pages i had saved years ago, from ? a now extinct
> militaria magazine ?
>
> Very unfortunately, i did not title the pages with the source.
>
>
>
> My question is, what was the 2 channel HF radio ?
>
> -Hue Miller
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