Another Amateur Radio satellite is set to launch from China. CAMSAT CEO Alan Kung, BA1DU, reports that CAS-7B (BP-1B) is expected to launch on July 22 at 0500 UTC, on the Hyperbola 1 vehicle. CAS-7B is a spherical spacecraft, 500 millimeters (approximately 19.7 inches) in diameter with a mass of 3 kilograms (about 6.6 pounds). The CW telemetry beacon will be on 435.715 MHz. The V/U FM 16 kHz wide transponder downlink is 435.690 MHz, and the uplink is 145.900 MHz. The launch from Jiuquan will be into a 300-kilometer (approximately 186-mile), 42.7° inclination orbit.
Tad Cook, K7RA, Seattle, reports: It’s exciting to observe increasing sunspot activity. Recently Solar Cycle 25 produced new sunspots frequently, and I watch them pop up every day on Spaceweather.com. New sunspots emerged on July 14, 16, 17... Read more