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YR1X Romania flag Romania

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The "Stratospherium 2011" mission is ready to launch the tryout for the highest altitude for a balloon in Eastern Europe!


The mission's radio callsign will be YR1X, a special hamradio callsign issued by ANCOM for Romanian Society of Radioamateurs.

As a failsafe procedure, the flight will be recorded from a on-board HD camera for offline video!

The launch it's expected between 8:30 - 9:00 Local time (5:30 - 6:00 UTC)  on 15th of October.

The mission is sponsored by "Stiinta si Tehnica", a Romanian magazine held by "Adevarul" Holding.


The hamradio team (from YO3KSR club) will assist the launching, the flight and the recovery with a complex APRS setup. We also made a special antenna for APRS on-board tracker.

  The "Team":

Tactical I (follow up and recovery main team)

-YO3IGR (Adrian), YO3IBZ (Aurel)

Equipment: Kenwood TM D710 + Tactical AVMAP6 APRS

Tactical II (follow up and recovery, flight coordination team and video team assist)

-YO3IHG (Vlad)

Equipment: Kenwood  TH D72 + UI-View32

Ground Control (real time flight observer and data logging)

-YO3HJV (Adrian), YO3HTB (Doru).

Equipment: Kenwood TM D710 + Logging software (by YO3GWM)

  The coordination of te Ground activities will be on UHF

  The  APRS tracker will be alive starting 08:00 Local time (05:00 UTC) after a final check-up on all systems.

You can follow the flight by clicking HERE.

For "local" temperature (in Celsius) and onboard battery voltage, CLICK HERE. (the link will show data starting from the expected time of power up!)
The APRS callsign for this launch will be YR1X-11 and the tracker will transmit with less than 10 W on 144.800 MHz with a period of aprox. 15 sec. for MicE frames, and around 40 sec. for APRS frames.

Our club will issue a special certificate as follows:
-“Standard APRS Chaser” for the ones who provide proof of reception for 2 (two) consecutive direct APRS Packets from YR1X;

-“Special APRS Chaser” for the ones who provide proof of reception for 5 (five) consecutive direct APRS Packets from YR1X;

-“Extra APRS Chaser” for the ones who provide proof of reception for 8 (eight) consecutive direct APRS Packets from YR1X.

The proof of reception will be either a audio file from the receiver or a screen capture.

The application must be sent to yo3ksr @ gmail.com no more than 5 days from the launch.

The Certificates will be issued on pdf and can be printed on request (5 EUR or IRC equivalent).

For a up to date situation, please check this page! or www.YO3KSR.ro


On board camera live feed Stratospherium 2011



6426604 Last modified: 2015-07-16 00:34:45, 4475 bytes

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