[Milsurplus] Re: [ARC5] Odd ART-13

[WA5CAB at cs.com]

Well, yes of course it is a postwar modification.  From limited documents, it 
appears it was first done for Pan American World Airways (PanAm) and then 
USAF bought some and assigned them the nomenclature T-412/ART-13B.  But the AF 
T.O. shows only the T-47A/ART-13 as having been modified.  And the transmitter 
in question is a COL-52286 (p/o Navy Model ATC) which with minor modifications 
(mainly a nameplate and different shock mount assembly, plus some had the 
antenna relay upgraded or maybe just replaced during normal service) became 
T-47/ART-13.

In a message dated 11/21/2004 5:40:46 PM Central Standard Time, 
greg_werstiuk at msn.com writes: 
> Best bet it is a conversion/upgrade.  Note in the picture, the 
> T-412/ART-13B
> nameplate is only a partial nameplate which has been affixed over the
> original.
> 
> -----Original Message-----
> From: milsurplus-bounces at mailman.qth.net
> [mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of WA5CAB at cs.com
> Sent: Saturday, November 20, 2004 4:01 PM
> To: milsurplus at mailman.qth.net
> Subject: Re: [Milsurplus] Re: [ARC5] Odd ART-13
> 
> ....Mike,
> 
> Like you, I always assumed, because that's what the T.O. seems to imply,
> that the T-412/ART13B was a modified T-47A/ART-13.  The T-412 schematic
> matches the T-47A schematic other than where the CDA-T installation changed
> it.  Whether the one on eBay was "upgraded" or not you can't tell from the
> outside.
> 

Robert Downs - Houston
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