Via the ARRL: Multiple Balloons Carrying Ham Radio Payloads Launched

Eleven schools across the US launched helium-filled balloons carrying amateur radio payloads on October 9. The Smithsonian Air and Space Museum live-streamed the multiple launches. The balloons are trackable via ham radio on APRS (either 144.39 MHz FM or 144.34 MHz FM).

The lighter-than-air vehicles were intended to head east around the globe, although there’s no accounting for upper air current…

Read more – via American Radio Relay League | Ham Radio Association and Resources http://www.arrl.org/news/view/multiple-balloons-carrying-ham-radio-payloads-launched