Our sun and its variation in solar activity have a large effect on terrestrial radio communications. NASA’s Solar Dynamics Observatory, the SDO, has been collecting data since launch in early 2010. Since
San Lorenzo Valley Amateur Radio Club
WR6AOK, 147.120 MHz, Offset +600 KHz, CTCSS Tone 94.8 Hz
Our sun and its variation in solar activity have a large effect on terrestrial radio communications. NASA’s Solar Dynamics Observatory, the SDO, has been collecting data since launch in early 2010. Since