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[RTTY] rpiFSK release - beta 0.3 testers wanted

To: "RTTY Reflector" <rtty@contesting.com>, <Raspberry_Pi_4-Ham_RADIO@yahoogroups.com>
Subject: [RTTY] rpiFSK release - beta 0.3 testers wanted
From: "Larry Gauthier \(K8UT\)" <K8UT@charter.net>
Reply-to: "Larry Gauthier \(K8UT\)" <k8ut@charter.net>
Date: Wed, 25 Mar 2015 15:48:30 -0400
List-post: <rtty@contesting.com">mailto:rtty@contesting.com>
rpiFSK is an RTTY modulator that runs on the Raspberry Pi platform, with its roots derived from Andy K0SM's TinyFSK for the Arduino platform. rpiFSK's release coincides with G3YYD's 2Tone v15.3a update that supports TinyFSK.

From the cover page of the manual:
"""""
rpiFSK provides an inexpensive RTTY modulator solution for solving transmission problems associated with poorly adjusted AFSK RTTY transmissions, badly timed FSK RTTY transmissions, and underpowered/overburdened logging computers.

Key Features
 Standard Raspberry Pi single-board computer running the Raspbian operating system  Automated, “headless” operation without monitor, keyboard, mouse or network connection
 RTTY Frequency Shift Keying (FSK) output
 Precise timing of Baudot transmit sequences
 Baud rates of 45.45, 50, 75, and 100
 Support for SO1V and SO2V operation
 Dynamic Emulation of TinyFSK software and KAM/KAMplus TNC
 Tested with N1MM+, MMTTY, DXLabs WinWarbler, 2Tone
        Should work with anything that talks to 2Tone or KAM/KAMplus TNCs
 Source code available by request: C++ (11) with standard bcm2835 and wiringPi libraries
 Free
"""""
If you are interested, the documentation (pdf) and executable are located here:
http://www.k8ut.com/tiki-list_file_gallery.php

This would be a moderately serious DIY project. I've tried to include only-enough Linux instruction for successful setup and installation on the Raspberry Pi, and sufficient hardware information for building an RPi -to- Rig interface. The software is free, but you will need a variety of hardware that - depending on how much you homebrew - will cost between $60 and $160. Note that rpiFSK is only a modulator (Tx). You will continue to use MMTTY, 2Tone, WinWarbler (or whatever...) for RTTY demodulation (Rx).

Corrections, feedback, advice are welcome.

-larry (K8UT)

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