BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Padside//Padside//EN
X-WR-CALNAME:Padside
BEGIN:VEVENT
UID:launch-e055ae69-537a-43ef-a2ef-741a5f4b6557@padside
DTSTAMP:20260722T215425Z
DTSTART;VALUE=DATE:19710401
SUMMARY:Thor Delta E1 | Isis 2
DESCRIPTION:ISIS 2 was an ionospheric observatory instrumented with a swee
 p- and a fixed-frequency ionosonde\, a VLF receiver\, energetic and soft 
 particle detectors\, an ion mass spectrometer\, an electrostatic probe\, 
 a retarding potential analyzer\, a beacon transmitter\, a cosmic noise ex
 periment\, and two photometers.
END:VEVENT
END:VCALENDAR
