Is there any free decoding software out there to decode the Morse and
teletype on hf that I can install on my laptop?

Thanks

Peter

On Tue, 07 Oct 2003 22:28:19 GMT, "Peter"
wrote:
look for MixW2 download the latest

Is there any free decoding software out there to decode the Morse and
teletype on hf that I can install on my laptop?

Thanks

Peter

Tons of freeware

www.google.ca or .com

--
Gregg
*It's probably useful, even if it can't be SPICE'd*
http://geek.scorpiorising.ca

On Tue, 07 Oct 2003 22:28:19 GMT, "Peter"
wrote:

Is there any free decoding software out there to decode the Morse and
teletype on hf that I can install on my laptop?

Thanks

Peter

Peter,

Unless it's machine-sent, CW (Morse) is sufficiently idiosyncratic to
allow identification of an operator by his "fist." Needless to say,
most software has a hard time matching the decode error rate of human
"wetware."

Most machine-generated digital modes, however, are an entirely
different story.

PC soundcards have made available to us cheap A/D convertors with
pretty impressive specs, embedded in PCs whose performance puts to
shame the specialized DSP hardware of a few years ago.

There are many good soundcard software packages available for digital
modes, including the following freeware packages which I personally
find useful:

For HF-Fax (and 137 MHz satellite APT downlinks) - Christian Bock's
outstanding WxSat from

http://www.hffax.de/WX_Satellite/WXSat/wxsat.html ;

For FSK Baudot RTTY (with the best automatic freq. control I've found)
Makoto Mori's excellent MMTTY from

http://www.qsl.net/mmhamsoft/mmtty/index.html

whose RTTY engine is great as a stand-alone, but has become the
defacto standard used in several of the multi-mode digital soundcard
decoding programs, such as HamScope and WinWarbler, from

http://users.mesatop.com/~ghansen/ and

http://www.qsl.net/winwarbler/ , respectively.

They also do PSK31, using AE4JY's PSKcore DLL from WinPSK, whose best
application I find in Dave Wheatly's excellent PSK31 standalone
program WinPSKse from

http://www,winpskse.com

but I (slightly) prefer the independently developed PKS31 decoder
program DigiPan ("DIGItal PANoramic receiver") from

http://www.digipan.net/

which has also become the foundation for a $50 shareware multimode
decoder program that does RTTY, AMTOR, PKS31, etc, called MixW32.

There are _many_ more programs designed for soundcard decoding, which
you can easily find with a Google search.

Another source is Oliver Welp's Amateur Radio Soundblaster Software
list at

http://www.muenster.de/~welp/sb.htm

and yet another for still other such modes (Hellschreiber, MFSK16,
MT63) is ZL1BPU's "Fuzzy Modes and Modern Digital Modes" web-site at

http://www.qsl.net/zl1bpu/index.html

To try them out, the CFH (Canadian Forces, Halifax) weather broadcasts
on 6496.4kHz and 10,536kHz send 120/576 fax on the hour, for from 20
to 40 minutes. They then switch to 75Baud/800Hz-shift Baudot RTTY.

Deutcher Wetterdienst - Hamburg broadcasts SYNOP weather reports in
50Baud/425Hz-shift Baudot RTTY on 10,100.1kHz and on 7646kHz.

(The above are the official listed frequencies, which are the midpoint
between the MARK and SPACE - or BLACK and WHITE - tone frequencies.
If you have to tune in USB mode, your indicated frequency will, of
course be lower by the average of the two equivalent tones - with
SPACE being 2125Hz, MARK being lower by the shift amount, WHITE being
2300Hz and BLACK being 1500Hz.)

For PSK31, the software is actually your last IF and demodulator, as
well as decoder. Just tune in USB to 14070kHz with a 2.8 or 3kHz BW.


Good listening,
Al
=================================================
Location: 42N39, 71W09 (Near Boston, MA)
HF Antennas: 65ft TFD, 45ft T2FD, 28ft vertical, 65ft doublet
HF Receivers: Ten-Tec RX340, RX320, Harris R2368, Cubic R3030A
Decoders: Code300-32, Universal M-8000, PK-232MBX/DSP
=================================================