[ARC5] Relays

[arc5 at ix.netcom.com]

Channel select for the “ARC-5”

VHF sets, IIRC.

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On 10/11/25, 11:59 AM, Mark K3MSB <mark.k3msb at gmail.com> wrote:

Reposting with a subject......

On Sat, Oct 11, 2025 at 12:59 PM Mark K3MSB <mark.k3msb at gmail.com (mailto:mark.k3msb at gmail.com)> wrote:

> I have several of these ARC-5 (generically speaking) style relays and I've been unable to find out what they are used for.

> They are numbered between 812 to 816. I find nothing close in my SCR-274N or AN/ARC-5 manuals.

> DC Coil resistance is 40 ohms. SPST.

> Any ideas?

> Mark K3MSB
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