Usually there is one EMC test for each measurement campaign. This is to test if any instrument interferes with the aircraft electronics. We had our EMC test on Friday 26th of August (picture).

For the EMC test procedure the plane is supplied with ground power first, then the engines are switched on and the ground power is switched off. This way the instruments should continuously be supplied with power.

Last Friday we noticed that shortly after switching on the engines all instruments where shut down and the big question was: Why..? Around 25 years ago a safety feature was implemented to Geophysica. As soon as one engine fails (in theory during flight) all instruments are shut down automatically to provide as much power as possible to the aircraft for landing. Not on purpose, but exactly this was done during the first EMC test so that we repeated the test Monday morning, this time we were more successful.

The first real measurement flight was already yesterday. Geophysica and all instruments were already 30 minutes longer running in the sun than planed, so some instruments had problems with overheating. In general ,I believe, the atmosphere towards this first measurement flight is positive. Some groups collected some good data and are ready for the next flights, some are already happy to have measured data at all 😉


On Saturday almost all of us had a day off to explore the region around Kalamata a bit.

During the first EMC test.

During the first EMC test.

Our research aircraft Geophysica and most of the Scientists arrived Monday 22nd of August. We are all in the process of integrating our instruments now.

The hangar here is small, very ‘basic’ and due to some holes in the roof, not every instrument is protected from rain, which we already experienced yesterday. We struggled with the electricity supply and internet connection. It is warm and humid, but we are lucky that we don’t have any dress code like the officers around us with their thick overalls.

The campaign is planned to continue until Sep 9th. In total 4 measurement flights are planned. The first EMC test is scheduled for tomorrow morning 7 a.m. to test if any instrument is disturbing the aircraft electronics.



Panorama view from the top of Geophysica

Big holes in the hangar roof above Geophysica.

Big holes in the hangar roof above Geophysica.



IMG_4185 IMG_4186

Greetings from Stockholm!
The container with all the equipment and our instruments is already at the Arena Arctica in Kiruna now we have to get there.
We just landed in Stockholm and will continue our journey to Kiruna in two hours. Most of us got up at 3 am this morning to catch the flight, our collegues from the U.S. have a longer way and took off already yesterday afternoon (german time).