There are differences between the ATA/ARA , SCR-274-N and AN/ARC-5 sets. Some components are not compatible between sets. Better when discussing specifics about these”Command Sets” that one is specific about exactly what components and what set is being discussed.

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 Apr 20, 2026, at 11:40 AM, mstangelo--- via ARC5 <[email protected]> wrote:

ARC5 has a nice sound to it and command sets have always been refered to as ARC5.

Want proof? What is the name of this group?

Mike N2MS

On 04/19/2026 10:52 PM EDT ac2eu--- via ARC5 <[email protected]> wrote:

Anything that looks remotely like an AN/ARC-5 is referred to as such in the vernacular.

See it all the time on Ebay, only to find out that it's a BC-***.

On Sunday, April 19, 2026 at 10:19:01 PM EDT, Mike Feher via ARC5 <[email protected]> wrote:

In the late 60’s and early 70’s I worked on the AN/AQA-7 and in the 70’s and 80’s on the AN/UYS-1, both ASW systems. In the 90’s I worked on the AN/PSC-11 a SATCOM system and a few others until I retired in 2016. 73 – Mike

Mike B. Feher, N4FS

89 Arnold Blvd.

Howell NJ 07731

908-902-3831

From: [email protected] <[email protected]> On Behalf Of Hubert Miller via ARC5
Sent: Sunday, April 19, 2026 8:50 PM
To: ARC5_reflector <[email protected]>
Subject: Re: [ARC5] ARC-5 in Montgomery's personal B-17

The AN/ system was valid in WW2 years, but it seems to have been abandoned now; am i right ?

I mean, “ Army – Navy / “ would no longer seem to have any purpose ?

-Hue Miller

>Sent: Saturday, April 19, 2025 5:27 AM
Subject: Re: [ARC5] ARC-5 in Montgomery's personal B-17

Kind of a pet peeve of mine, and I'm not picking on Leslie (thank you for the picture).

There never was an ARC-5. There was an AN/ARC-5, an SCR-274N, and ATA-ARA. Of course, we all use ARC-5 in a generic term and hopefully the context makes the actual meaning clear....... Going for my first cup of coffee now.....

>Mark K3SMB

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