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EF Johnson Technologies, Inc. is a two-way radio manufacturer founded by its namesake, Edgar Frederick Johnson, in Waseca, Minnesota, United States in 1923. [1] Today it is a wholly owned subsidiary of JVCKenwood of Yokohama, Japan. EF Johnson Technologies offers a wide range of equipment for use by law enforcement, firefighters, EMS, and military.
MacLoggerDX is a full-featured amateur radio contact logger for macOS with Transceiver control, Rotor control, Callbook lookup, QSL handling (Hardcopy / LoTW / eQSL / Club Log), DX Cluster and spotting, and basic contesting support.
This is a list of free and open-source software (FOSS) packages, computer software licensed under free software licenses and open-source licenses.Software that fits the Free Software Definition may be more appropriately called free software; the GNU project in particular objects to their works being referred to as open-source. [1]
List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE. The following table is split into two groups based on whether it has a graphical visual interface or not.
Is the component of a radio software that allows user to playback media files in full automation or manually on demand. These modules typically contain audio players, a visual representation of the currently playing audio file, a queue of songs to be played in sequence, timers and clocks displays, as well as a browser for audio files in the ...
WSJT, the predecessor to WSJT-X, was originally released in 2001 and has undergone several major revisions. Communication modes have been both added and removed from the software over the course of its development. Since 2005, the software has been released as open source software under the GNU General Public License. This licensing change ...
The use of automation software and voice tracks to replace live DJs is a current trend in radio broadcasting, done by many Internet radio and adult hits stations. Stations can even be voice-tracked from another city far away, now often delivering sound files over the Internet.
Airtime is a [3] radio management application for remote broadcast automation (via web-based scheduler), and program exchange between radio stations. Airtime was developed and released as free and open-source software, subject to the requirements of the GNU General Public License until it was changed to GNU Affero General Public License.