gMFSK 0.6 review

gMFSK is a multimode HF terminal program for Linux and other unix-like operating systems

License: GPL (GNU General Public License) File size: 323K Developer: Tomi Manninen

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gMFSK is a multimode HF terminal program for Linux and other unix-like operating systems. Despite the name, gMFSK can send and receive many digital conversational modes typically used by radio amateurs on HF. gMFSK supports the following modes:

MFSK (MFSK16 and MFSK8)
RTTY
THROB (1, 2 and 4 throbs/sec)
PSK31 (BPSK and QPSK)
PSK63
MT63
Feldhell

Here are some key features of "gMFSK":
Point-and-click tuning of decoded signal
Right click over received text and automatically move data to the log window
Multimode waterfall display (waterfall, spectrum, scope)
Remote logging using SysV IPC. (Currently supported by Xlog)
PTT control using serial port control lines or parallel port data lines.
Rig control using hamlib. This can be used to show real frequencies in waterfall or to control PTT.
Fixtext macros can include variables and output from any Unix command.

gMFSK uses the computer soundcard to interface to a SSB capable transceiver. All digital signal processing is done in the main CPU so any soundcard supported by the operating system should work.

gMFSK is built on Gnome libraries but it doesn't require you to run the Gnome desktop. Most modern Linux distributions install Gnome libraries independent of what desktop you choose to run. You will also need the FFTW 2.x libraries to run gMFSK. Rig control naturally requires hamlib.