[GreenKeys] Fwd: Mainline TT-L2

[Nick England]

---------- Forwarded message ---------
From: Bill Cotter <n4lg at qx.net>
Date: Thu, Aug 26, 2021 at 9:58 AM
Subject: [Boatanchors] Mainline TT-L2 used with HBR Receiver
To: <boatanchors at mailman.qth.net>


Greetings BA fans,

I have for sale an Mainline TT-L2 Teletype Converter that was part
of a package and was used with a HBR-16 receiver (gone). I bought
this piece of equipment for parts, but it is just too nice to
canabalize.

I found the original documentation at:

https://w2hx.com/x/RTTY/TTL-2/Mainline-TTL.pdf

http://www.rtty.com/development/tu/ttl-fsk/ttl-fsk.htm

Given the age of this product, it is in very good condition
physically, and the construction appears to be factory wired (if
there was ever a factory producing them). It has all seven filters
for 170, 425 and 850 shifts, built in oscilloscope, and tuning
indicator. There are multiple power supplies, current loop
controls, and a main printed circuit board.

I can send pictures and more information upon request. I prefer not
to ship the unit because of the weight and open chassis
construction would invite damage. I will be at the Shelby Hamfest
and the Louisville Hamfest in September, and can bring it along.

$150

Thanks - Bill N4LG

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-- 
Nick England K4NYW
www.navy-radio.com
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