VLF Chart Recording at 40khz

Whats it all about how does it work / Back to gdobsy weather page

The most recent chart:
Starts 05/25/2024 22:35:57 UT
Ends 05/25/2024 23:35:57 UT

Total observation:
Starts 05/25/2024 00:00:06 UT
Ends 05/25/2024 23:35:57 UT