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Rig control companion program Flarq: Automatic Repeat reQuest companion program for Fldigi GNU Radio: GPL: Windows, macOS, Linux: software-defined radio and signal processing SDRangel: GPL: Windows, macOS, Linux: software-defined radio SDR# Freeware Windows software-defined radio receiver SDR++: GPL: Windows, macOS, Linux, Android: software ...
Radio channels are 9 kHz wide, with channel spacing of 12.5 kHz. The gross data rate is 9,600 bits per second, with the actual data transfer at 3,200. The transmission, called stream , is divided into 40-millisecond long frames , each prepended with a 16-bit long synchronization word.
Fldigi (short for Fast light digital) [4] is a free and open-source program which allows an ordinary computer's sound card to be used as a simple two-way data modem.The software is mostly used by amateur radio operators who connect the microphone and headphone connections of an amateur radio SSB or FM transceiver to the computer's headphone and microphone connections, respectively.
Amateur television (ATV) is the transmission of broadcast quality video and audio over the wide range of frequencies of radio waves allocated for radio amateur (Ham) use. [1] ATV is used for non-commercial experimentation, pleasure, and public service events.
Goom Radio is a mobile Internet radio service. The Goom Radio Factory allows online broadcasters to create custom online radio brands. It is a free service, available world-wide. A Goom radio application can be downloaded for free on the iPhone, iPod Touch, iPad, BlackBerry, Nokia, and Android. [1]
Here is what the former presidents said about the life and legacy of Carter, the nation's 39th president who served in the White House from January of 1977 to January of 1981.
The Shuttle Amateur Radio Experiment (SAREX), later called the Space Amateur Radio Experiment, was a program that promoted and supported the use of amateur ("ham") radio by astronauts in low Earth orbit aboard the United States Space Shuttle to communicate with other amateur radio stations around the world.
The AT&T receiving Beverage antenna (left) and radio receiver (right) at Houlton, Maine, used for transatlantic telephone calls, from a 1920s magazine. The Beverage antenna or "wave antenna" is a long-wire receiving antenna mainly used in the low frequency and medium frequency radio bands, invented by Harold H. Beverage in 1921. [1]