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Thor Delta E1 | Isis 2

Isis 2

Launch Successful

Launch Details

Date: 1 Apr 1971, 02:57 am UTC

Rocket: Thor Delta E1 (Thor)

Provider: United States Air Force

Mission

Type: Earth Science

Orbit: Low Earth Orbit

Pad: Space Launch Complex 2E, Vandenberg SFB, CA, USA

Mission Description

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.