Port it to windows and I will send a check. Just tell me how much.
Jerry W4UK
At 01:09 PM 2/1/2012, Kok Chen wrote:
>On Feb 1, 2012, at 6:26 AM, Ed Muns wrote:
>
> > Many of us have been doing multiple decoders for years now,
> particularly the
> > DXP38 plus multiple instances of MMTTY with different profiles.
>
>Some of us have used this for years now without even knowing they
>are actually using multiple decoders :-P.
>
>The RTTY demodulator in cocoaModem consists of 9 separate RTTY
>decoders. Each one with a different ATC profile, although sharing
>the same Mark and Space filters. Instead of printing all 9 outputs,
>a majority vote is performed and the most likely decoded Baudot
>character is printed to the screen.
>
>All these 9 decoders work from a single audio stream (sound card)
>from the receiver.
>
>So, it is like having 9 sub-modems, but you don't get to see all 9
>outputs to decide for yourself which one is correctly printing. You
>only get to see what the software thinks is the correctly decoded
>character. Like democracies, the majority is not necessarily
>correct, but they are correct more often than they are incorrect
>(that is also why democracies work :-).
>
>In addition to that, cocoaModem has two of these built-in RTTY
>demodulator sets.
>
>Each set is completely independent from the other, each with its own
>waterfall, crossed ellipse indicator and modes (reverse, baud rate,
>tone pair, etc). And each one has its own Mark and Space filters.
>These two "receivers" can be "connected" (menu selection) to two
>different sound cards, or, if you like, can be connected to the same
>sound card to give you 18 sub-modems, working off two different Mark
>and Space filters.
>
>The two sound cards can be connected to two different receivers,
>with the receivers coming from the same antenna, or coming from
>different antennas for visual diversity reception (experimenting
>with auto diversity decoding is in some planned future software :-).
>
>Almost always though, I connect the two modem sets to two channels
>of a sound card that are connected to the main and sub-receiver of
>my rig for split-DX chasing. But other ops have the choice of
>connecting both to the same sound card.
>
>73
>Chen, W7AY
>
>
>
>
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