[Elecraft] RTTY via FSK-D

[Dave Hachadorian]

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From: "Brian Alsop" <alsopb at nc.rr.com>
Sent: Thursday, March 04, 2010 8:11 AM
To: "Dave Hachadorian" <k6ll at arrl.net>
Cc: "Brett Howard" <brett at livecomputers.com>; "Elecraft 
Reflector" <elecraft at mailman.qth.net>
Subject: Re: [Elecraft] RTTY via FSK-D

> Comment on the FSK circuit.
> MMTTY used to send upside down in FSK and there was no way to 
> change it via software.
> It is possible the circuit may have to be modified to invert 
> the polarity.
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I am using the simple npn transistor circuit. Keying polarity can 
be selected in the K3.
My setting is K3/config/fsk pol = 1

Dave Hachadorian, K6LL
Yuma, AZ