Arecibo Observatory Tour
An Insider Tour It’s a long movie about arecibo but well worth it.
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RAX-2 is OBJECT E
A good explanation from DK3WN on how to determine what TLE data belongs to what Satellite. Based on the latest cubesat TLEs we have now three groups of objects (B+C+D, E, F+G). The first group are the 1U cubesats – … Continue reading
HydraSDR-RFOne
HydraSDR RFOne Advanced Software Defined Radio Receiver HydraSDR is a powerful open-source Software-defined radio platform offering high-speed performance and flexibility for developers, hobbyists, RF professionals and Ham Radio use. Features: The HydraSDR RFOne is an advanced Software Defined Radio receiver featuring … Continue reading
Artemis-II
Lessons learned from the Blue Ghost mission, you don’t need very high-end equipment to receive signals from missions to the moon. This time we used an old 60cm TV offset dish where we placed a 5 turn LHCP helix in … Continue reading
TLE Format
Two-Line Element Set (TLE): Format Overview To calculate the position of the object around the earth, for example, satellites and space debris, we need information on the orbital parameters which describes the shape and size of the orbit. Two-Line Element … Continue reading
An open letter
This isn’t the first time this topic is brought to our attention but after reading this call I felt obliged to share one of the important parts and a link to the original posting. Original quote: “According to the ITU … Continue reading