[Boatanchors] Strange one on EBay

[Carl]

Note that its using 2.5V filament 58 tubes and the rectifier looks to be an 
80. Id put the date as 1932-36 as the Navy had swung to 6.3V tubes by then. 
Could it be that Boonton Research became ARC?

Carl
KM1H


----- Original Message ----- 
From: <WA5CAB at cs.com>
To: <boatanchors at mailman.qth.net>
Sent: Monday, June 21, 2010 10:15 PM
Subject: Re: [Boatanchors] Strange one on EBay


> His comment about use with Model TK appears to be a typo (he meant JK).
> The TK is listed as a 500 watt LF/MF MCW transmitter from 1922.
>
> The JK is Sonar gear.  Specifically Listening (Receiving), most models in
> the range 14-32 KC.  All but the JK-8 and JK-9 are listed as Obsolete in
> 1944.
>
> In a message dated 6/21/2010 6:53:43 PM Central Daylight Time,
> jmfranke at cox.net writes:
>> Looks like a receiver that tunes 15-50 kHz.  Most probably a passive
>> hydrophone receiver/amplifier.
>>
>> See also:  http://www.hnsa.org/doc/fleetsub/sonar/chap1.htm
>>
>> John  WA4WDL
>>
>> --------------------------------------------------
>> From: "Pete Lancashire" <pete at petelancashire.com>
>> Sent: Monday, June 21, 2010 7:32 PM
>> To: "Boat Anchors List" <boatanchors at mailman.qth.net>
>> Subject: [Boatanchors] Strange one on EBay
>>
>> >http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=400130469176
>> >
>> >Looks like S/N 12 not 1
>> >
>> >-pete Not Assoc with seller
>>
>
> Robert & Susan Downs - Houston
> wa5cab dot com (Web Store)
> MVPA 9480
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