3 ms·
Not just interference, but really annoyingly broad-band interference: https://en.wikipedia.org/wiki/Spark-gap_transmitter https://en.wikipedia.org/wiki/Spark-ga
by wtallis 7y ago
Not just interference, but really annoyingly broad-band interference: https://en.wikipedia.org/wiki/Spark-gap_transmitter https://en.wikipedia.org/wiki/Spark-gap_transmitter
Optical astronomy had a great thing going in the days when most light pollution came from low-pressure sodium vapor lamps—that's comparatively easy to filter out. Radio astronomy isn't so lucky.