[ARC5] AN/CRC-7 and Gliders - Part 2

[Lenox Carruth]

Not in the July 2, 1945 ROIF.

There were times when there were more than one glider per towing aircraft
but I don't recall if this setup was ever used in combat.  Gliders were
side-by-side not in line like ducks in a row.

Lenox
WA5OVG



-----Original Message-----
From: arc5-bounces at mailman.qth.net [mailto:arc5-bounces at mailman.qth.net] On
Behalf Of J. Forster
Sent: Wednesday, May 29, 2013 8:31 PM
To: Mike Everette
Cc: arc5 at mailman.qth.net; Mike Morrow
Subject: Re: [ARC5] AN/CRC-7 and Gliders - Part 2

Does anyone know if it was one glider per tug? I seem to remember there were
several, liks ducks in a row.

-John

===========


> The AN/CRC-7 was carried in Army Air Forces B-29s in the Pacific.  It 
> is described in an operational crew training manual which was 
> reprinted in hardback form some years ago (early 1990s): I own a copy 
> of this but can't put my hands on it at the moment.  When I find it, 
> I'll post the information.
>
> If anyone has a copy of the ROIF (Radio Operator's Information File), 
> it might even be described in that manual.  I haven't seen the ROIF, 
> but I clearly remember the CRC-7 being referred to in the B-29 training
manual.
> I can't say whether it may have been carried in other aircraft.
>
> 73
>
> Mike
> W4DSE
>
> --- On Wed, 5/29/13, Mike Morrow <kk5f at earthlink.net> wrote:
>
>> From: Mike Morrow <kk5f at earthlink.net>
>> Subject: Re: [ARC5] AN/CRC-7 and Gliders - Part 2
>> To: arc5 at mailman.qth.net
>> Date: Wednesday, May 29, 2013, 12:09 AM I wrote:
>>
>> > The AN/CRC-7 wasn't AFAIK, available while WWII was in
>> progress.
>> > In addition, it is a US Navy set, not an Army
>> set.  That makes a
>> > difference.
>>
>> It's also worth noting the the AN/CRC-7 electronics section (with 
>> four tubes) is a hermetically-sealed (with solder!) unit that was 
>> manufactured with an enclosed crystal for 140.58 MHz operation.
>> The crystal is wired into the base of the oscillator plate coil in 
>> the sealed section.  Changing frequency of operation, even any actual 
>> electronic maintenance other than changing the battery (which is 
>> outside the solder-sealed section) was never intended.
>> The AN/CRC-7 is a unit intended for all time to be operated only on 
>> the 140.58 MHz established at time of manufacture.
>>
>> It would have been a very poor choice for glider service, even if the 
>> US Army had these Navy sets in 1944 (which they did not).
>>
>> Mike / KK5F
>>
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