After a record 47h run Baltic Jammer was quiet a few hours but started again this morning.
I recorded a few hours around noon in much higher temporal resolution than I normally do, 5 seconds.
Red and white dots are low position quality. Turqoise are normal. Each dot a message.
Looking at this replay I realize two things: 1) I have previously concluded NIC 0 represented both planes with nav issues and planes without nav issues but 0 for other reasons. That, I might have to revise.
cont..
2) The jammer causes planes to stop sending messages / system to accept them. I think they start sending 0.0,0.0 for position. Note how tracks disappear abruptly but return a while later.
cont..
Both 1 and 2 if true means most of my previous figures have underestimated the jamming problem.
Look at these plots, percent and means. If all of the really bad data points are gone even before my calculations those metrics are artificially better than reality.
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* It is unusual to not see daily sanctioned tanker arrive to Baltic Sea, usually a few each day.
But, the last 4 days lull ismight be explained by weather: Atlantic storms, low temperature and an increasingly frozen Gulf of Finland.
The ice is growing thicc around Russia's Baltic oil terminals.
Ice data outlets list a bunch of ice-breakers in service, but other sources have stated Russia lack capacity to keep the ice-sensitive rust-bucket tankers in play.
ASTROL 1 is a largely flat cargo ship with hatches that likely would serve well as drone pads.
She is a similar model to SCANLARK, recently apprehended by German authorities on drone suspicions and to PORT OLYA 4, drone import ship on Iran trade. Sunk by Ukraine.