Thanks, Mark! Some good information there. Building isn't an option
for me, but I see a link to Buxcomm in there, so maybe I can do
something with that.
My 746 doesn't have any of the optional filters installed, so the
narrow position doesn't do much in the SSB position. Might bring it down
from 2.5 to 2.3 Khz. Not sure what the default width is in RTTY mode,
but it's a lot narrower than SSB, so I'd like to be able to use FSK
keying just for that benefit.
Tnx es 73!
Dave
KB3MOW
Mark Miller wrote:
Dave,
You can use a sound card program like MTTY or MixW which lets you set
up the com port on a PC for FSK to your rig. Here is one way
http://www.aa5au.com/rttyinterface.html
<http://www.aa5au.com/rttyinterface.html>
The best way in my opinion is to use an opto-isolator something like
this http://www.qsl.net/k0bx/soundcard.htm
<http://www.qsl.net/k0bx/soundcard.htm>
You know you can use your narrow filter in USB and LSB. When I had
my 746 non-pro, I just told the radio that the narrow filter was
actually a SSB filter.
73,
Mark N5RFX
>I know the 746 keys FSK from the ACC socket on the rear, but is there
>any way to key this mode without having a TNC?
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