December 3rd 2022, AA6DY, K9YO and KD9UQB

Pico Balloon AA6DY is still MIA, Pico Balloon K9YO has moved north of the Day/Night Change Line and not able to report.

The general update of our balloons is that AA6DY last reported on November 24th, just west of West Africa. We believe that AA6DY is over Central Africa near the Equator and not able to report. K9YO last reported yesterday December 2nd and is expected to start transmitting again around December 5th over Canada. Around the time K9YO reports we should be nearing the 4th circumnavigation. Pico Balloon KD9UQB has left Chile, South America, headed back towards Antarctica, and the 1st circumnavigation sometime tomorrow.

Below is from our Locate and Track page showing our 3 balloons on one page.

K9YO heading North, AA6DY wating to report and KD9UQB ready for the 1st circumnavigation

Below is from Sondehub showing the projected “Float” for the direction of Pico Balloon K9YO. The different colors represent altitudes from 11,000 meters to 13,000 meters close to our actual altitude. The Float model is taken from the NOAA Model, providing an estimate beyond 84 hours.

K9YO projected Float from Sonehub

Pico Balloon KD9UQB started transmitting on December 3rd at 07:32 UTC at Grid GD02TP and went to sleep on December 3rd at 22:12 UTC at Grid HC96hi traveling at an altitude of 10,720 meters, 35,162 feet.

Because of the cylinder solar panel that Jim KD9UQB designed, the tracker continued to transmit at the Day/Night Change Line or sun’s elevation at 2.1 Degrees. The highest sun’s elevation reached today while transmitting was 51.4 degrees. Pico Balloon KD9UQB received transmissions for 16 hours today. We expect as we travel further south, and travel around Antarctica, the transmissions will continue 24 hours a day.

Below is near the last report at the Day/Night Change Line. The RED map point at the bottom is Neumayer Station III where KD9UQB was launched on November 24th 2022.

Below is the NOAA Hysplit Model showing the projected path of KD9UQB from December 4th thru December 7th.

Our Locate and Track page has been updated for Pico Balloon KD9UQB for 84 hour NOAA Hysplit Model, Ventusky for wind speed and direction, Sondehub for tracking all Pico Balloons and APRS for tracking all our balloons.

73, Cary KD9ITO

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