Fred Jansen
@redplanet00.bsky.social
PhD-astrophysics. Was XMM-Newton and Gaia (2006) project scientist (PS) . Was XMM, MEX , VEX, Rosetta, Gaia Mission manager (11,10,7,2,5 yr). ESA (retired).
You don’t need to know a lot of Spanish to see this article, with inputs from my ESA Rosetta colleague Michael Kueppers, is going the right way !
November 2, 2025 at 9:13 PM
You don’t need to know a lot of Spanish to see this article, with inputs from my ESA Rosetta colleague Michael Kueppers, is going the right way !
How can we stop the 3I/Atlas rubbish …..
November 1, 2025 at 8:50 PM
How can we stop the 3I/Atlas rubbish …..
Very true and very sad …
November 1, 2025 at 7:29 PM
Very true and very sad …
Maar wel water koken in stijl #LeCreuset
November 1, 2025 at 7:27 PM
Maar wel water koken in stijl #LeCreuset
Mars Express is a tough little animal with a wonderful team behind it keeping it alive :-) And they keep doing new things as well, like the mutual radio science measurements with ExoMars through the atmosphere.
October 9, 2025 at 6:41 PM
Mars Express is a tough little animal with a wonderful team behind it keeping it alive :-) And they keep doing new things as well, like the mutual radio science measurements with ExoMars through the atmosphere.
What amazes me most is this frequency “wobbling” you see (skewed bright lines in the waterfall). Here the recently launched METOP-SGA1 - I mostly see this on W passes.
September 13, 2025 at 8:49 AM
What amazes me most is this frequency “wobbling” you see (skewed bright lines in the waterfall). Here the recently launched METOP-SGA1 - I mostly see this on W passes.
I was at the ISAS lodge in Sagamihara Feb 1990 but arrived at 2am (Alaska volcano necessitated a Vancouver detour) but the guard wouldn’t let me in. With great difficulty I convinced him to call prof Tanaka (who spoke fluent Dutch) and finally got me in after having been awake for some 30 hours…
August 31, 2025 at 6:34 PM
I was at the ISAS lodge in Sagamihara Feb 1990 but arrived at 2am (Alaska volcano necessitated a Vancouver detour) but the guard wouldn’t let me in. With great difficulty I convinced him to call prof Tanaka (who spoke fluent Dutch) and finally got me in after having been awake for some 30 hours…
Finally some sensible words on this matter !
August 4, 2025 at 8:21 PM
Finally some sensible words on this matter !
Radio geeks reveal how to access crucial hurricane data after US Department of Defense cut it off
Radio geeks reveal how to access crucial hurricane data after US Department of Defense cut it off
Hams for the win: Amateur-built decoder taps SSMIS satellite data amid NOAA cutoff
With the National Oceanic and Atmospheric Administration (NOAA) set to shut down a key satellite data stream used in US hurricane forecasting, a group of amateur radio enthusiasts has stepped in with a decoder they say could fill the gap.…
dlvr.it
July 29, 2025 at 8:27 AM
Een verbazend ons kent ons lijstje …
July 22, 2025 at 8:30 PM
Een verbazend ons kent ons lijstje …
You must be kidding!
July 22, 2025 at 8:23 PM
You must be kidding!
That’s putting it mildly ! Why do we have to put up with this ….
July 17, 2025 at 8:06 PM
That’s putting it mildly ! Why do we have to put up with this ….
De tweede die dit deed, Alan Eustace, was de spreker voor mij bij TED2015 in Vancouver in de “Out of this world” sessie
July 17, 2025 at 8:00 PM
De tweede die dit deed, Alan Eustace, was de spreker voor mij bij TED2015 in Vancouver in de “Out of this world” sessie
As a comparison, this is a similarly processed UK crop from 16-Jun-2023 - quite a different situation
July 11, 2025 at 7:39 PM
As a comparison, this is a similarly processed UK crop from 16-Jun-2023 - quite a different situation