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Top Forums Shell Programming and Scripting The Start Of A Simple Audio Scope Shell Script... Post 302782987 by wisecracker on Tuesday 19th of March 2013 05:21:18 PM
Old 03-19-2013
Hi Corona688...

Apologies for any typos...

Thanks for the heads up, you are a real pal...

I will fork the existing code and shorten it in your style but upload the longhand version for the foreseeable future.

I have done it this way so that a 10 year old can see the progression.

Does it show that much that I am an amateur... ;o)

BTW, calibrated timebase ranges are finished and coupling the earphone output to the mic input and setting the levels accordingly works a treat. Also added a small offset to ensure that the trace is linear when there is zero input. This removes the sound card's mid point bit error...

Working on a config file now so that user parameters can be saved and auto-restarted. This will take a while...

Bazza...
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gmfsk(1)																  gmfsk(1)

NAME
gmfsk - MFSK terminal for GNOME SYNOPSIS
gmfsk DESCRIPTION
gmfsk is a terminal for MFSK16, RTTY and Throb, three digital modulation formats used on HF radio particularly by radio amateurs. MFSK is an acronym for multi-tone frequency shift keying. gmfsk demodulates signals received through the sound card and displays the resulting text on the screen. In transmit mode, typed text is modulated and transmitted through the sound card. Circuits for connecting the sound card to a receiver or transceiver are readily available on the web. OPTIONS
Standard GNOME options may be used. GMFSK must be configured through the "Settings" menu when first used. NOTES
MFSK activity is commonly found around 14.080 MHz on the amateur 20m band. Although GMFSK is free software, transmission of any signal and of MFSK, RTTY and/or Throb signals in particular is subject to the laws of the government of your country. Receiving on non-amateur frequencies may also be prohibited. SEE ALSO
More information on MFSK16 can be found at http://www.qsl.net/zl1bpu/MFSK/INDEX.html AUTHOR
gmfsk was written by Tomi Manninen, OH2BNS <oh2bns@sral.fi>. This manual page was written by Hamish Moffatt VK3SB <hamish@debian.org> for Debian (but may be used by others). 15 October 2002 gmfsk(1)
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