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Thor Delta E1 | Isis 2

Thor Delta E1 | Isis 2

Status: Success  |  Launched: Apr 01, 1971 02:57 UTC

Launch Provider & Rocket

Mission

ISIS 2 was an ionospheric observatory instrumented with a sweep- 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 experiment, and two photometers.

  • Type: Earth Science
  • Orbit: Low Earth Orbit (LEO)

Launch Site

  • Pad: Space Launch Complex 2E
  • Location: Vandenberg SFB, CA, USA
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Launch data sourced automatically from the Launch Library 2 API. Last refreshed: 2026-10-07T01:00:56.820087+00:00.