![]() ![]() However there is also the simpler 'pico' ballooning hobby, which involves the use of mylar helium party balloons to launch small solar powered payloads that are only a few grams in weight. Larger amateur radio balloons launched in the USA require FAA clearance, need a radar reflector attached, and usually continually transmit APRS telemetry before naturally popping and falling back to earth after a few hours, just like a weather balloon. One part of the amateur radio hobby is launching high altitude balloons with various radio and other payloads. There is speculation that at least one these three objects may have been an amateur radio 'pico' balloon. Since the famous takedown of a suspected Chinese spy balloon, US jets have shot down a total of three more unidentified balloon objects, now suspected by officials to be ' commercial or benign'. The US Air Force may have shot down an Amateur Radio Pico Balloon over Canada ExtIO with Decimation & Tuner Bandwidth Controls. ![]() Manual gain controls and decimation driver.Measuring Traffic Volumes with Passive Radar.SignalsEverywhere Direction Finding Tutorial.Measuring Filter Characteristics & VSWR.Performing Replay Attacks with RTL-SDR and RpiTX. ![]() ![]()
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