[ARC5] [Milsurplus] Unknown Antenna

Sun May 13 13:53:58 EDT 2018

I note the connector labeled "A/G" on the panel.  In my experience (USAF and FAA) that stands for Air/Ground.

73 de Mac, K2GKK/5
(Since 30 Nov '53)
Oklahoma City, OK
USAF Retired 61-81
FAA Retired 94-10

________________________________
From: arc5-bounces at mailman.qth.net <arc5-bounces at mailman.qth.net> on behalf of scottjohnson1 <scottjohnson1 at cox.net>
Sent: Sunday, May 13, 2018 12:37
To: Tim; Michael Bittner
Cc: ARC-5 List; Military Surplus Mail List (milsurplus at mailman.qth.net)
Subject: Re: [ARC5] [Milsurplus] Unknown Antenna

Maybe the VHF command sets?  Or perhaps the ARC-4?

Sent from my Verizon, Samsung Galaxy smartphone

-------- Original message --------
From: Tim <timsamm at gmail.com>
Date: 5/13/18 10:21 (GMT-07:00)
To: Michael Bittner <mmab at cox.net>
Cc: ARC-5 List <arc5 at mailman.qth.net>, "Military Surplus Mail List (milsurplus at mailman.qth.net)" <milsurplus at mailman.qth.net>
Subject: Re: [ARC5] [Milsurplus] Unknown Antenna

Speaking of "UHF" connectors, anyone know which was the first (US?) equipment that used an SO-239 "UHF" type connector?

Tim
N6CC

On Sun, May 13, 2018 at 9:31 AM, Michael Bittner <mmab at cox.net<mailto:mmab at cox.net>> wrote:
Thanks to all who answered my enquiry on the unknown antenna. It looks like this antenna's base could be used with many different rod antennas of different lengths to match frequency range, and possibly was.  However, this one has the nomenclature embossed under its base with very shallow lettering that is difficult to read in ordinary light.  Upon closer examination with a magnifying glass and angled light it reads AS-32  APX-1.  Note 32, not 82 as previously mentioned.

I could not find much info on the APX-1, except for this photo:

https://photos.app.goo.gl/wswTIGq8kAfRPDqe2<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fphotos.app.goo.gl%2FwswTIGq8kAfRPDqe2&data=02%7C01%7C%7C7f09c86eb31142bb088908d5b8f84489%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636618298794299252&sdata=Ajq0t%2BIp0BnO1f1kzYNoM5j2LuRdIRIN2l%2Fw4DZJRpE%3D&reserved=0>

Mike, W6MAB
-
-
----- Original Message -----
From: Mike Morrow<mailto:kk5f at earthlink.net>
Cc: arc5 at mailman.qth.net<mailto:arc5 at mailman.qth.net> ; milsurplus at mailman.qth.net<mailto:milsurplus at mailman.qth.net>
Sent: Saturday, May 12, 2018 19:22
Subject: Re: [Milsurplus] [ARC5] Unknown Antenna

That's the third antenna that looked like the AT-5 and AT-8, resonant somewhere around 170 MHz I believe, for a JAN-nomenclatured slightly modified version of tbe SCR-595-A Mark III IFF set.

Mike / KK5F

-----Original Message-----
From: Michael Bittner
Sent: May 12, 2018 7:35 PM
To: Scott Johnson
Cc: arc5 at mailman.qth.net<mailto:arc5 at mailman.qth.net>, milsurplus at mailman.qth.net<mailto:milsurplus at mailman.qth.net>
Subject: Re: [ARC5] Unknown Antenna

I now see in my own enlarged photo what I couldn't see on the real thing.  On the bottom flange of the base its says AS-82 / APX-1. So I guess its for an IFF transponder.  Will have to look up that.  Mike, W6MAB
----- Original Message -----
From: Scott Johnson<mailto:scottjohnson1 at cox.net>
To: 'Michael Bittner'<mailto:mmab at cox.net>
Sent: Saturday, May 12, 2018 17:29
Subject: RE: [ARC5] Unknown Antenna

I would say drone control, or early IFF, the base looks like a typical WWII whip base that was used for those purposes.  Maybe Television transmitter for RAZON/ AZON.

Scott V. Johnson W7SVJ

5111 E. Sharon Dr.

Scottsdale, AZ 85254-3636

H (602) 953-5779

C (480) 550-2358

scottjohnson1 at cox.net<mailto:scottjohnson1 at cox.net>

scott.johnson at ieee.org<mailto:scott.johnson at ieee.org>

From: arc5-bounces at mailman.qth.net<mailto:arc5-bounces at mailman.qth.net> <arc5-bounces at mailman.qth.net<mailto:arc5-bounces at mailman.qth.net>> On Behalf Of Michael Bittner
Sent: Saturday, May 12, 2018 5:26 PM
To: milsurplus at mailman.qth.net<mailto:milsurplus at mailman.qth.net>
Cc: arc5 at mailman.qth.net<mailto:arc5 at mailman.qth.net>
Subject: [ARC5] Unknown Antenna

Does anyone recognize this antenna and know what it was used for?

There are no markings on any part of this antenna.  The yellow mast is 15-1/2 inches long and screws onto a 1/4-28 stud in the base.

The base has a standard UHF connector.

Maybe target drone or something like that?  Mike W6MAB

https://photos.app.goo.gl/WkTkbsKHwLC2uJkx1<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fphotos.app.goo.gl%2FWkTkbsKHwLC2uJkx1&data=02%7C01%7C%7C7f09c86eb31142bb088908d5b8f84489%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636618298794299252&sdata=ZEnTMSLA5BkAadf%2FC3OG7je%2BjyU%2BqlIuXZ31J3yFznY%3D&reserved=0>

https://photos.app.goo.gl/RmN9y4FOqjXs1TBo2<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fphotos.app.goo.gl%2FRmN9y4FOqjXs1TBo2&data=02%7C01%7C%7C7f09c86eb31142bb088908d5b8f84489%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636618298794299252&sdata=SX983WlcQCloAbEPMIvGFemDC6n4k3oucWf69kawoDc%3D&reserved=0>

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