[Milsurplus] at-780/arn

Sat, 21 Jun 2003 22:40:01 +1000

Pete Williams
[email protected]
METUNG AUSTRALIA 3904
----- Original Message -----
From: "Morrow, Michael A." <[email protected]>
To: "Glenn Little WB4UIV" <[email protected]>;
<[email protected]>
Sent: Saturday, June 21, 2003 2:44 PM
Subject: RE: [Milsurplus] at-780/arn

 G'day.
 ARN 59 also known in commercial version as the  21A  made by Aircraft
Radio Corp.
 Loop antenna has P/N  L-11... same as AN-780
Pin out as follows.
J402.
A = Loop
B = Loop
C=CT.
^^^^^^^^^^^

J401.
A= stator X
B=stator Y
C= 15V 100 Hz
D= 15V 100hz  (joined to C above) on this connector.
E= 40V 100 Hz.
F=GND.
 The motor B401 D & F wires black and grey are fixed phase.- black is
grounded.
Variable phase  F and E wires green and yellow.

Synchro  transmitter B402  stator  A and B  wires yellow (x) and blue
(y).
Rotor C wire red (h)
Other wire from rotor is black and  grounded.
Robert probably has manual but can also copy from here.
Cheers
Pete

From: Glenn Little WB4UIV

> Does anyone have the pin out information for this antenna?

I'm sorry to say I don't.  It will take someone with access to the
maintenance manual for the AN/ARN-59 to respond.  I have all the
components for a complete AN/ARN-59 except the mounts, cables, and the
manuals.

Mike / KK5F

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