[Milsurplus] [ARC5] ATD Project: "Correct Receiver?"

[Hubert Miller]

-----Original Message-----
From: milsurplus-bounces at mailman.qth.net [mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of Mike Morrow
Sent: Sunday, July 30, 2017 3:37 PM
To: arc5 at ix.netcom.com; arc5 at mailman.qth.n <arc5 at mailman.qth.net>; milsurplus at mailman.qth.net
Subject: Re: [Milsurplus] [ARC5] ATD Project: "Correct Receiver?"

Dave wrote:

> ...can someone tell me if there is a "correct" receiver for use with 
> the ATD transmitter?

The ARB is the only contemporary receiver that both exactly matches the ATD's frequency range (minus the essentially non-existent tuning unit for frequencies 9 to 15 MHz) and the ATD's limited remote control features,

I doubt that the limited-use ATD was ever paired with the RAX-1, which has greater than required frequency coverage and provides no remote control capability.

The ATD is listed for several aircraft in a 1943 USN radio operator training book, parts of which are excepted on Mike Hanz's site at:

  http://aafradio.org/docs/Navy-radio-gear-1943.pdf

I have assembled all the components for an installation consisting of:

- ATD including 200 to 500 kHz TU and associated Antenna Coil
- ARB with ZB-3 Homing Adapter
- LM-7 CFI

Obviuosly, the LM CFI would have been absolutely essential.

Even though the ATD is Bendix and the ARB is RCA, these two units almost appear to have been made for each other, even though they were not.

In other installations, the Collins ATC was an incedible technological advance compared to the poor RCA ARB that the USN often paired with it...but not so the unfortunate ATD.

Mike / KK5F
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