[Milsurplus] How late were ARN-7 Radio Compasses (ADFs) in US mil ...

[COURYHOUSE at aol.com]

arn 7  with power supply  converted to  60 hz was the best  broadcast band  
dx  set I ever had as a kid.
thanks  to john Alexander in palos verdes   for  this.  I  wish I know  who 
it  got  sold to when I went  in the air force.  I would love to have it  
back. ( or  one like  it  converted ready to go)  Ed Sharpe archivist  for 
smecc 
 
 
 
In a message dated 1/5/2016 9:11:15 A.M. US Mountain Standard Time,  
wcarns at austin.rr.com writes:

H...  Loved the S-2F..  That "Stuffe" was a real character of an aircraft 
and  those Wright engines just could not be beaten for the thunder of a big 
throaty  radial.

My Dad was CIC commander of the Intrepid during the last half  of WW2 and 
that is some boat.  Glad it survived.  It was his crew  that was in the ready 
room that all got killed when the bomb came through the  deck and wiped out 
the ready room for CIC.  He had gone for coffee for  his men when it happen 
and was not seriously hurt.  He never got over  that.

Bill

-----Original Message-----
From: Milsurplus  [mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of 
Mike Morrow
Sent:  Tuesday, January 05, 2016 9:55 AM
Cc:  milsurplus at mailman.qth.net
Subject: Re: [Milsurplus] How late were ARN-7  Radio Compasses (ADFs) in US 
mil service?

Taigh wrote:

> I  believe the ARN-7 was used until the early to mid-1970’s in the US  
Navy.

Some of the oldest USN aircraft in which I got some trip time in  1971-2 
were old S2F-? twin-engine anti-sub aircraft that had been converted to  TS-2A 
trainer sircraft used at NAS Corpus Christi.  Even then I was  amazed at 
the vintage avionics they carried, which included the AN/ARN-6  ADF...at least 
that was a considerable advance over the even older  AN/ARN-7.

Other interesting gear that was carried:
AN/ARC-2* MF/HF  AM
AN/ARC-27 UHF AM
R-23*/ARC-5 RANGE/BEACON

I spoke with an AET2  radio tech who remarked how hard it was to get parts 
for the  AN/ARC-2.

The latest version S-2F was aboard USS Intrepid/CVS-11 when I  was aboard 
in 1971, grossly more current in electronics.  I never saw the  AN/ARN-7 in 
service anywhere in 1971-72, but my exposure was  limited.

The old TS-2A training aircraft were not too impressive in  speed snd 
agility by 1972.  There were graffiti (like "Built By Brooklyn  Railroad Scrap 
Iron Company, 1913") at the stripped crew positions where idle  students 
awaited their up-front time.  The one I liked best was below an  escape hatch 
that someone labeled with the warning:  DO NOT EXCEED MACH 2  WITH HATCH OPEN.

Mike /  KK5F
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