[Milsurplus] [ARC5] WTB : ATD Tuning Unit

[W2HX]

Fyi pertinent to this discussion (not mine).

http://www.ebay.com/itm/131654879266



-----Original Message-----
From: Milsurplus [mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of Mike Morrow
Sent: Wednesday, November 18, 2015 4:31 PM
Cc: ARC5; List Milsurplus
Subject: Re: [Milsurplus] [ARC5] WTB : ATD Tuning Unit


The TUs in your unit are supplied with the basic ATD.

The CRR-47211 is not supplied.  The CRR-47207 200-540 kHz TU is not supplied either, which is odd since the antenna coil for that range is supplied.  It is odd that the 540-1500 kHz TU is supplied standard instead of the nominally more useful 200-540 kHz TU.

The CRR-47207 is not too hard to find...but not all that easy either.

Mike / KK5F

-----Original Message-----

>My Instruction Book says “Preliminary Copy – To be replaced by Final Copy”
>Contract NOs – 73237 20 May 1940.
>
>There is an asterisk next to the 9-18.5 Mc Tuning Unit ( as well as the 
>200 – 540 Kc Tuning Unit) that reads “Quantity of these units shipped 
>with each transmitter unit subject to Navy requirements and orders.  
>Information on these units is included in this instruction book in the 
>event that these units are made available to the service at some subsequent date”
>
>FYI, my ATD has a 540 to 1500 Kc and 1500 Kc to 3000 Kc Tuning units, and a
>pair of 3000 Kc to 9050 Kc tuning units.   Were these 4 units standard
>delivery?


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