Program and instrumentation of the satellite experiment Bulgaria-1300 II

The Bulgaria-1300 II complex will study the relationship between various natural formations with reflected and emitted electromagnetic radiation in the visual, near infrared, and VHF range of the spectrum. The studies, which will be spaceborne, airborne, and ground-based, will give descriptions of natural formations and their state based on objective physical characteristics. The Bulgaria-1300 II spacecraft, which will be launched in solar synchronous orbit, incorporates a four-channel scanner of low selective capability (MSU-M), a two-channel scanner of average selective capability (MSU-S), four VHF radiometers in the centimeter range, and a 32-channel spectrometer system in the visible and near-infrared range. The complex will operate in various modes, including direct data transmission, onboard data recording and sequential transmission to earth. Basic instrumental parameters of the spectrometer SMP-32 and the radiometers RM1 - RM4 are given, and the MSU-M and MSU-S scanners are discussed in greater detail.