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CHIRP is a free, open-source tool for programming your amateur radio. It supports a large number of manufacturers and models, as well as provides a way to interface with multiple data sources and formats.

ebook2cw is a command line program (optional GUI available) which converts a plain text (ISO 8859-1 or UTF-8) ebook to morse code MP3 files. It works on several platforms, including Windows and Linux. Written by Fabian Kurz, DJ1YFK <mail@fkurz.net>

ems-flasher is software for flashing the EMS Gameboy USB 64 MBit cart.

The flwrap executable is a small desktop application that encapsulates a text file, an image file, or a binary file within a set of identifier blocks. These blocks include a 16 bit checksum that is used to test the encapsulated file for integrity.

FreeDV is a Digital Voice mode for HF radio. FreeDV allows any SSB radio to be used for low bit rate digital voice. Speech is compressed down to 700-1600 bit/s then modulated onto a 1.25 kHz wide signal comprised of 16 QPSK carriers which is sent to the Mic input of a SSB radio. The signal is received by an SSB radio, then demodulated and decoded by FreeDV. FreeDV 700(B) rivals SSB in it's low SNR performance. At high SNRs FreeDV 1600 sounds like FM, with no annoying analog HF radio noise.

This program is a software package for programming the X22C12 EEPROM in the GE Phoenix SX radios (specifically the VHF and UHF 16 channel scanning versions). The X2212 is removed from the radio, placed in the parallel port adaper socket and can be read/written/verified or archived. The prom contents can be saved in a hex file format or exported as a text file for printing. Changing frequencies and channel guard settings is as easy as filling in the blanks.

Geodetic computer for amateur radio use. Converts Lat / Lon to Maidenhead Grid Square and reverse Computes range in kilometers and great circle bearing between QTH and remote site specified by Lat/Lon or Maidenhead Grid Square Computes range in kilometers and great circle bearing between QTH and a site selected from a database list for all known callsign prefixes and their geographic position. Geographic position is by major city.

G-Kermit file transfer utility ------------------------------ G-Kermit is a Unix program for uploading and downloading files with the Kermit protocol. It is: . Stable and low-maintenance . Small and fast with no frills . Released under the GNU Public License G-Kermit is command-line only (no interactive commands or scripting) and remote-mode only (no making connections). It has an extremely simple user interface, and implements a large subset of the Kermit protocol in a small amount of highly portable code.

Gnocky is an application for managing your mobile phone. It supports setting logos, SMS and address book management, and uses the user-space mobile driver provided by the gnokii project.

GNU Radio is a collection of software that when combined with minimal hardware, allows the construction of radios where the actual waveforms transmitted and received are defined by software. What this means is that it turns the digital modulation schemes used in today's high performance wireless devices into software problems.