4 ms·
We are talking kW output effect vs mW for a Starkink UT.
by JoachimS 4y ago
We are talking kW output effect vs mW for a Starkink UT.
- gambiting 4y agoOf course, my point is just that saying "it's non-ionizing radiation" isn't a magical rule that makes it safe. You can absolutely have dangerous or even lethal levels of non ionizing radiation too. (I think I should have used a simpler example - your microwave uses non-ionizing radiation too, yet would most definitely burn you if you put your hand inside it).
- JoachimS 4y agoThe microwave is also generating many hundreds of Watts, up to kW of radio waves, a bit like the mobile base station. In slightly different frequencies. It is still several orders of magnitude less than what Starlink emits from the antenna.
- ragebol 4y agoBut then again: IIRC, Starlink is much more focused so power per unit square might be equivalent perhaps? It needs to get to space with a good enough SNR. The phasing of the array might also amplify the harmful effect, I'd say. But I'm very much not an RF engineer.
- JoachimS 4y agoThe starlink antenna is not very complicated and way less focused than what a modern 4G, LTE, 5G antenna use. As an example, the latest antennas from Ericsson supports 2000 elements, which allow very narrow beamforming and target tracking (that is phase controlled movement of main beam to track individual phones). https://www.ericsson.com/en/blog/2015/3/massive-beamforming-in-5g-radio-access https://www.ericsson.com/en/blog/2015/3/massive-beamforming-... The starlink antenna is basically a parabolic antenna that tracks the target using motors to change the angle.