Measured satellite emissions already exceed single-dish radio astronomy protection criteria at multiple frequencies, and the second harmonic of a 2620 MHz direct-to-device downlink causes at least 59% data loss for geodetic VLBI today.
googleapis.com/rideshare-static/Rideshare Payload Users Guide.pdf; pay- load radiated-emission limits and protected-band notches (e.g
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Towards Genuine Coexistence: Per-Satellite Emission and Radiation Limits to Protect Radio Astronomy and Geodetic VLBI at 1-14 GHz from Satellite Constellations
Measured satellite emissions already exceed single-dish radio astronomy protection criteria at multiple frequencies, and the second harmonic of a 2620 MHz direct-to-device downlink causes at least 59% data loss for geodetic VLBI today.