WSPR | The Search for MH370

MH370 Search Area (Updated)

by Richard Godfrey | Dec 22, 2023 | WSPR

Here is a map showing the WSPR search area, the UWA drift analysis crash location area and the OI area previously searched. The WSPR search area is partly covered by the UWA drift analysis crash location area. The WSPR search area was not covered by the OI area...

WSPR as Radar

by Richard Godfrey | Dec 18, 2023 | WSPR

It is a well established fact that radio waves can detect aircraft over short distances. Since the demonstration by Robert Watson-Watt and Arnold Wilkins in 1935 detecting a Handley Page Heyford aircraft by using radio signals from BBC Daventry, radar systems are now...

WSPR as OTHR

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...

MH370 Case Study

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...

QTR901 Case Study

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...

N45VX Case Study

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...

The Search for MH370