It might not be obvious, but the date on the gpsjam page is an input field: You can change it and see the map for any day. If you do that, you'll quickly see that Cyprus is constantly, always being jammed.
Thank you for giving that insight against my assumption!
I discovered GPSJam a few months ago, and have enjoyed some of your content on Twitter, and really enjoyed your work on the longer form article from a few years ago (the FBI one; "Secrets of the Sky") [0].
Its support planes are in the area [1], and it was sighted on Sep 28 near Italy [2], and if I understand it correctly, has been tasked to this area.
1 - https://twitter.com/wipljw/status/1712780646530118125
2 - https://www.marinevesseltraffic.com/vessels/USS-Gerald-R.-Fo...