[Milsurplus] Wanted, DU or DW information

[jcoward5452 at aol.com]

Usually it's Black and Silver.The idea is to get a null useing the loop 
and the sense antenna combined.Then listen for the deeper null That is 
your relative bearing.Or do I have it backwards?I have never flown as a 
radio navigator so I am only going on what I may have missinturpreted 
 from what I have read and fooling around with the DU-2 and ARB setup I 
have here.
  BTW you can replace the output connector with a SO-259 without any 
carving but for two small mounting holes.You can then replace the 
original when you decide to donate to a museum or restoration project 
and the holes dissappear when done..
  I also have a post war Marine Service (read fishing boats) conversion 
of the DU-*.It is mounted in a box with more knobs and a meter on the 
side.I have yet to delve into this one but it may be a nice add on to 
my father's old Appelco 150 watt Marine Band transceiver.From what I 
have heard, these old Marine Band sets can tune 160 and 80 
meters.Crystal controlled unless you add in the hacked ARC-5 VFO you 
got at the last hamfest in 1968!
 Jay KE6PPF

-----Original Message-----
From: Don Reaves <donreaves at gmail.com>
To: Mike Hanz <AAF-Radio-1 at aafradio.org>
Cc: milsurplus at mailman.qth.net
Sent: Fri, 4 Apr 2008 8:41 pm
Subject: Re: [Milsurplus] Wanted, DU or DW information



Mike,
Thanks for that schematic posting.  I have some DU-1 bits to play with
and that will help.  Do you have the manual nomenclature handy?

The loop I have is painted half black, half gold.  Anyone know the
significance of the color scheme?  Seems an odd choice for that
vintage gear.

Don W5OR
www.militaryradio.com


On Fri, Apr 4, 2008 at 4:16 PM, Mike Hanz <AAF-Radio-1 at aafradio.org> 
wrote:
> http://aafradio.org/docs/DU-1.html
>
> There isn't a significant difference between the DU-1 and DU-2, based 
on what
I see in the two manuals.
>
> - Mike
>
>
> WA5CAB at cs.com wrote:
> I had an inquiry from someone looking for a manual on the DU-2.  I 
don't have
anything except a list of the components of the set and that some of 
the
components carry the same Navy Type Number as the DW (but built by 
different
contractor).  Does anyone have a manual on either set (any number 
model)?
>
> Robert Downs - Houston
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