[Milsurplus] Info wanted - Collins 18S-4.

[Roger Basford]

Hi Scott,

Thanks for the fast response! I can imagine that the connectors are hard to 
find, I've not seen that pattern before. Are the large pins for the 28 volts 
input? I'd be grateful for a copy of the manual, as a Google search turned 
up no hits with manual suppliers. Are we talking about a large document here 
or could I get by with just the basic circuits and operating instructions? 
Have seen a couple of ham web sites with these rigs on, are they popular in 
the US?

Thanks again,

Roger Basford

----- Original Message ----- 
From: "Scott Johnson" <scottjohnson1 at cox.net>
To: "Roger Basford" <roger at new-gate.co.uk>; <milsurplus at mailman.qth.net>
Sent: Thursday, August 04, 2005 10:47 PM
Subject: Re: [Milsurplus] Info wanted - Collins 18S-4.


> Racks and connectors for this bird are tough to find, I would resign to 
> building a connector block.  There is also a dropping resistor in the rack 
> used to reduce filament voltage on the PA and modulator tubes during 
> standby periods.  I do have the manual, if you need a copy.  This 
> transeiver has several parts in common with the ART-13, and was used by 
> most airlines in the 50's and 60's until sideband came along.  I plucked 
> several from DC-7's, the Delta installation was one 18S-4 and one 618S-4, 
> both with 180L-2 couplers.
>
> Scott
> ----- Original Message ----- 
> From: "Roger Basford" <roger at new-gate.co.uk>
> To: <milsurplus at mailman.qth.net>
> Sent: Thursday, August 04, 2005 12:22 PM
> Subject: [Milsurplus] Info wanted - Collins 18S-4.
>
>
>> Hi All,
>>
>> Just acquired an Collins 18S-4 transmitter/receiver, also known as an 
>> AN/ARC-59 I believe? Anyone have any info, manuals, source of rear panel 
>> connectors, etc.?  Rig is in good nick but less cables, etc. I will be 
>> using the 28V dynamotor supply, hopefully! Is there likely to be any 
>> support on Collins groups for a rig like this?
>>
>> 73,
>>
>> Roger Basford, G3VKM
>>
>> Norfolk, England.
>>
>>
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