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SPLAT! (short for an RF Signal Propagation, Loss, And Terrain analysis tool [1]) is a GNU GPL-licensed terrestrial radio propagation model application initially written for Linux but has since been ported for Windows and OS X.
HamLogBook is a simple logger, with a Windows 95-inspired user interface. It supports common ADIF fields, can look up callsigns on QRZ , exports ADIF 2.0 and can automatically upload to eqsl.net . log4om
WSPR (pronounced "whisper") is an acronym for Weak Signal Propagation Reporter. It is a protocol, implemented in a computer program, used for weak-signal radio communication between amateur radio operators. The protocol was designed, and a program written initially, by Joe Taylor, K1JT.
VOACAP (Voice of America Coverage Analysis Program) [1] is a radio propagation model that uses empirical data to predict the point-to-point path loss and coverage of a given transceiver if given as inputs: two antennas (configuration and position), solar weather, and time/date.
JT9, intended for MF and HF use, was introduced in WSJT-X, which was at the time an experimental version of WSJT. [10] It uses the same logical encoding as JT65, but modulates to a 9-FSK signal. With 1-minute transmission intervals, JT9 occupies less than 16 Hz bandwidth.
[5] [6] The website takes its name from the popular amateur radio digital mode PSK31 and supports numerous digital modes, [7] [8] [9] but now the vast majority of digital modes recorded by the service are FT8 traffic. [10] Most traffic recorded on PSK Reporter is in the HF amateur radio bands but the platform also supports MF, VHF, and UHF bands.
It transmitted a 1 minute-long beacon every 10 minutes on 14.1 MHz using custom built transmitter and controller hardware. The signal consisted of the beacon's call sign transmitted in Morse code at 100 watts, four 9 second long dashes, each at 100 watts, 10 watts, 1 watt, and 0.1 watt, followed by sign-out at 100 watts. [3]
Meep (MIT Electromagnetic Equation Propagation) is a free and open-source [1] software package for electromagnetic simulations, developed by ab initio research group at Massachusetts Institute of Technology in 2006.