11 Schools Launched Balloons Carrying Amateur Radio Payloads

On October 9th, eleven schools across the US launched helium-filled balloons carrying amateur radio payloads.


The Smithsonian Air and Space Museum live-streamed the multiple launches of the balloons. The balloons are trackable via ham radio on APRS either 144.39 MHz FM or 144.34 MHz FM.


The balloons were intended to head east around the globe, although there’s no accounting for upper air currents. Altitudes were expected to be in the 20,000 – 25,000-foot range, with the balloons taking a few days to cross the Atlantic Ocean.

Some of the balloons are already out over the Atlantic, and one, the KS1LAS-1 balloon, launched from Washington, was reported over the Mediterranean on October 14, moving at a speedy 69 MPH at an altitude of some 40,400 feet.

Northern Virginia

The K4NVA-1 balloon launched from Northern Virginia was reported on October 11 just east of St. Johns, Newfoundland, at just over 23,100 f…

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