[ARC5] T-17 available

[Mike Everette]

For what it may be worth, I have a 7000 kc Command Set crystal.  This may have originally been part of the O-4/ARC-5 test oscillator.  I've used it as a band edge marker for 40 meters in a BC-458 and 459, replacing a 7000 kc FT-243.
73
Mike
WA4DLF

      From: Jay Coward via ARC5 <arc5 at mailman.qth.net>
 To: kk5f at arrl.net; arc5 at ix.netcom.com; arc5 at mailman.qth.net 
 Sent: Wednesday, July 12, 2017 7:12 PM
 Subject: Re: [ARC5] T-17 available
   
My T-16 and T-17 have crystals as noted in Mike's list.I don't suppose anyone has a spare Y-50 800 kHx crystal to plug into my T-15? (for a reasonable price, of course).Jay KE6PPF -----Original Message-----
From: Mike Morrow <kk5f at earthlink.net>
To: arc5 <arc5 at ix.netcom.com>; arc5 <arc5 at mailman.qth.net>
Sent: Wed, Jul 12, 2017 3:57 pm
Subject: Re: [ARC5] T-17 available


>> http://www.ebay.com/itm/192245072495?ul_noapp=true
>
>For $5000 you'd think he'd at least put the right
>calibration crystal in it.

Dave,

The Y-50 that is shown is 2100 kHz. That is the correct crystal frequency found in every T-17/ARC-5 that I have ever seen. Likewise:

T-15 800
T-16 1300

Unlike the ATA and the SCR-274-N, there were no standard Y-50 frequencies in the AN/ARC-5, so something different could be found in any transmitter, but I have seen nothing other for T-17.

I listed actual observed Y-50 frequencies for all such transmitters here:

 http://mailman.qth.net/pipermail/arc5/attachments/20160425/24b17647/attachment-0001.pdf

So. I'll bet that $5000 plus shipping looks a bit more tempting now! :-)

Mike / KK5F
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