[ARC5] Aircraft B-18A Bolo

J. Forster jfor at quikus.com
Tue Jan 3 20:27:09 EST 2012


> Hi Mike and the group,
>
> It was widely used for ASW work.  The radar was called ASV (Air to Surface
> Vessel).  Since World War II era submarines had to surface to charge their
> batteries (normally done at night), they were easy to spot with radar.
> Periscopes could also be spotted but, as you might expect, range was
> limited.  Sub hunting aircraft had depth charges fitted instead of GP or
> other bombs.  The English, in particular, would spotlight the sub with a
> Leigh light after finding it with radar.  Radar was one of the primary
> tools
> that allowed the Allies to win the Battle of the Atlantic.  In fact,
> without
> America's ability to build ships faster than the Germans could sink them
> and
> the development of long-range ASW aircraft and escort carriers, we would
> have lost that battle and, thus, England.  Surface radar was also widely
> used for ASW work - even on Allied submarines.
>
> The British were ahead of the Americans early in the war in radar
> development.  Two (if I remember correctly) groups of Americans were sent
> to
> England to study radar before we entered the war.  They were called the
> ETG
> for Electronics Training Group.  Half of each group studied ground radar
> and
> the other half studied airborne radar.  The airborne radar at that time
> was,
> primarily, designed for night interception of bombers.  However, the need
> for night interception decreased and the effort was changed to ASW work.
>
> B-24s and Short Sunderlands were fitted with ASW radar starting with
meter wavelengths

The ASB- series??

-John

==============


and changing to microwaves when the cavity magnetron was
> developed and integrated into radar transmitters and the klystron into
> receivers.
>
> The story of Radar development and use during World War II is fascinating
> and there are several good books on the subject including the three-volume
> history of the Signal Corps during that war.  I highly recommend those
> volumes for anyone interested in World War II communications and
> electronics.  I can suggest other books if anyone is interested.
>
> Lenox
>
>
> -----Original Message-----
> From: arc5-bounces at mailman.qth.net [mailto:arc5-bounces at mailman.qth.net]
> On
> Behalf Of Mike Feher
>
> Hi -
>
> I am curious how Radar would be used for ASW work? 73 - Mike
>
> Mike B. Feher, N4FS
> 89 Arnold Blvd.
> Howell, NJ, 07731
> 732-886-5960
>
>
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