WSPR as OTHR
WSPR uses High Frequency (HF) ionospheric propagation to send signals around the world. Typical frequencies are in the range 3 MHz to 28 MHz. Transmission power levels are up to 5 W continuous and the duration of the transmission is 110.6 seconds. The US military (Air...
MH370 Theories (Updated)
In a guest post Gerard Mendoza Ferrandis takes a good look at the facts regarding the disappearance of MH370 and evaluates the various theories that have been put forward. While some of the theories are based on the facts we had at the time, many others have been...
MH370 Case Study
MH370 is one of the greatest aviation mysteries of all time. Malaysian Airlines flight MH370 was operated by a Boeing 777 aircraft with the registration 9M-MRO. The aircraft departed Kuala Lumpur International Airport, Malaysia on 8th March 2014 just after midnight at...
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