S-band
S-band reception This band is used for Space to Earth transmission and most of the traffic is either CW, PSK or spread spectrum. NASA Allocated Frequency Bands: IARU 13 cm range is from 2400.000 – 2450.000 MHz and 2400 – … Continue reading
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IQ Data Explained
IQ Data Explained This is a description of using I/Q Data (aka “analytic signal”) representing a signal. Since the topic may be quite confusing, I’ve described the same thing here from different point of views. If you find the information … Continue reading
UWE-4 News
Last week our Team returned from the Vostochny Launch Site (Russia) where we performed the last check out tests of UWE-4 before launch. The satellite will be launched through the German integrator ECM Space on a Soyuz-2 mission using a … Continue reading
Using IQ files
Convert downloaded IQ files. IQ files are stored in for example raw 32bit IQ samples and a sample rate of 192 kHz. There are a number of ways to decode this binary data. Two potential options for reading raw samples … Continue reading
PicSat end of mission
On Tuesday 20 March 2018 PicSat suddenly fell silent, after two successful morning passes over Europe. Attempts to re-establish contact have failed, nothing has been heard from the satellite, no sign of life. On Thursday 5 April 2018 the team … Continue reading
SIDS
Simple Downlink Share Convention (SiDS) protocol November 20, 2020: Correction: I always thought the SIDS solution started with the UWE (University of Würzburg experimental) team, but this doesn’t seem to be the case, it was the ESTCube-1 team that had … Continue reading