Thor Delta E1 | Isis 2
Launch Successful
L - -- : -- : -- : --
Instantaneous launch window.
Launch Window
April 1, 1971, 2:57 a.m. - April 1, 1971, 2:57 a.m.
Instantaneous launch window.
April 1, 1971, 2:57 a.m. - April 1, 1971, 2:57 a.m.
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.
American orbital launch vehicle family with Thor first stage and a delta second stage.
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