There was a scintillation spectrometer sensitive to X-rays > 30 keV, with a 2??17?field of view.
2.
The difference between the payload of Pioneer P-30 and the earlier Pioneer P-3 was the replacement of the TV facsimile system on P-3 with a scintillation spectrometer to study the Earth's ( and possible lunar ) radiation belts, mounted on the instrument platform, and a plasma probe mounted on the sphere to measure energy and momentum distribution of protons above a few kilovolts to study the radiation effect of solar flares.
3.
The instrumentation includes two low-energy imaging telescopes ( LEIT ) with Wolter I X-ray optics ( for the 0.04-2 keV energy range ), a medium-energy experiment using Ar / CO 2 and Xe / CO 2 detectors ( for 1.5-50 keV ), a Xe / He gas scintillation spectrometer ( GSPC ) ( covering 2-80 keV ), and a reprogrammable onboard data-processing computer.
4.
The scientific instruments consisted of an ion chamber and Geiger-M�ller tube to measure total radiation flux, a proportional radiation counter telescope to measure high energy radiation, a scintillation counter to monitor low-energy radiation, a scintillation spectrometer to study the Earth's ( and possible lunar ) radiation belts, a VLF receiver for natural radio waves, a transponder to study electron density, and part of the flux-gate and search coil magnetometers mounted on the instrument platform.
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