by Richard Godfrey | Nov 22, 2023 | WSPR
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...
by Richard Godfrey | Oct 24, 2023 | Flight Path
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...
by Richard Godfrey | Aug 31, 2023 | WSPR
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...
by Richard Godfrey | Jun 9, 2023 | WSPR
Qatar Airways flight QTR901 registration A7-BEO departed Perth International Airport on runway 21 on 1st November 2022 at 15:06:50 UTC (23:06:50 AWST local time). There was good weather in the Perth area that evening with a high pressure zone and a surface pressure of...
by Richard Godfrey | Apr 18, 2023 | WSPR
In this case study we analyse the tragic flight of an Alouette II SE313B medical evacuation helicopter registration N45VX, which crashed off the coast of Palawan Island in the Philippines on Wednesday 1st March 2023. The helicopter was known locally as the ‘Yellow...
Recent Comments