Stratospherium II -- HALO:

Saturday, August the 4th, at around 8:00 LT (05:00 UTC) the YO3KSR team will try to launch a High Altitude Balloon (HALO), Stratospherium II.
This time, the balloon will have some scientific experiments on board and the APRS position and telemetry will be sent on 144.850 MHz in order to give a chance for foreign radioamateurs to directly receive the beacon.
We will digipeat the beacons onto 144.800 MHz in order to put Stratospherium II onto the APRS.FI via local I-Gates.

The launching site coordinates are around Mizil in Buzau County, depending on last minute flight path simulations: 45.000118, 026.262517(N45° 0' 0", E026° 15' 45")

Grid: KN35DA

By looking around the flight area on www.aprs.fi, you will see the tracking team following the balloon.
The beacon will be transmitted into a dedicated antenna (kind of turnstile) with 5 W output power at every 12 seconds.
The telemetry (via APRS) will include: Main battery voltage, the payload internal temeperature and the external temeperature.

The payload includes experiments from Romanian scientific community:

-Data logger for relative humidity in stratosphere;

-Pollution grade, UV and magnetic field induction for various altitudes;

-Air samples for later analisys;

The recorded data, photos and the movie from the onboard cameras will be available soon after the flight.
Receiving reports are welcome to yo3hjv@gmail.com

Images and video from the 2011 mission, Stratospherium I are available here. Stratospherium I was a great success as we settle a East European altitude record with 35.000 m a.s.l.

For last minute informations, check: www.yo3ksr.ro
73 de Adrian Florescu, yo3hjv

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