[ARC5] Radios and the Canal

[Leslie Smith]

  G'day list-members,
  Simon Buxton, VK2BV and Ian O'Toole have a working knowledge of
  historical radios.

  Wayne, to answer your Q see:  http://www.vk2bv.org/museum/c6940.htm
  and C6770 Communications Receiver.   
  "The AWA C6770 Communications Receiver was generally used in
  conjunction with the 3BZ Teleradio Transmitter and hence is commonly
  known as the 3BZ Receiver.

This equipment were derived from the 3B series which were used on
outpost stations in the South West Pacific prior to WW2.

During the war the equipment was used by the Coastwatchers, who used the
radios to report the location of the Japanese shipping, troops and
aircraft movements from behind enemy lines."

  Beyond this I can say  I once knew a fellow, Fred Wilshir, who
  operated with a commando unit behind the front lines near Lae, New
  Guinea.
  Fred was a member of the black beret, double diamonds, if the
  head-gear on his wall is a reliable indicator of his role.
  Fred's group was responsible for watching the (Jap) air base operating
  out of Lae and alerting Morseby when to expect a raid. 
  The radio used by this type of unit may be different from the
  coast-watcher radio.

  If anyone has a significant interest I could contact Fred and ask him
  about the gear his group used.

  73 de Les Smith
  vk2bcu at operamail.com


On Sun, May 12, 2013, at 5:18, Richard Knoppow wrote:
> 
> ----- Original Message ----- 
> From: "Robert Eleazer" <releazer at earthlink.net>
> To: <arc5 at mailman.qth.net>
> Sent: Saturday, May 11, 2013 5:33 AM
> Subject: [ARC5] Radios and the Canal
> 
> 
> >I am reading a book on the WWII campaign in the Solomons 
> >Islands.  It emphasizes the important role played by radio 
> >interception, both for breaking enemy codes and for D/Fing 
> >or enemy force locations.
> >
> > The book says that a radio interception team was sent to 
> > Guadalcanal soon after our invasion, equipped with 
> > Hallicrafters receivers.  I guess I am surprised they 
> > would use a Hallicrafters for such work, since there must 
> > have been better receivers available, but perhaps they 
> > needed wider frequency coverage than the 1.5-18 MHZ that 
> > was so common with WWII military receivers.  It seems that 
> > one of the receivers turned up missing during the arrival 
> > and its case was found some time later; the Marines had 
> > been using it for an oven.
> >
> > The USN took off soon after dumping the Marines on the 
> > island, before unloading all of the supplies and so for 
> > some time the only long range radio the US forces on the 
> > island had available was with captured Japanese equipment.
> >
> > The book mentions often the vital work of the 
> > coastwatchers, who provided observations on Japanese 
> > movements. I wonder what kind of equipment they had?
> >
> > Wayne
> >
>      Perhaps the SX-28, They would need a receiver covering 
> the entire communications bands. The SX-28 goes from 540khz 
> to 40 mhz.  While it is inferior to the Super-Pro it covers 
> all frequencies and is more compact since it is all on one 
> chassis.
>      BTW, there is a curious drawing as the front piece of 
> TM 11-880 which may be intended to portray a coast watcher. 
> I think this is available from the web.  It covers the RCA 
> AR88D and AR88F receivers. A lot of these were available to 
> various military groups but they weighed 100 lbs.
> 
> 
> --
> Richard Knoppow
> Los Angeles
> WB6KBL
> dickburk at ix.netcom.com 
> 
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