Radiosonde

　

Type: Vaisala RS80-15GH (H-Humicap)

Frequency: lower band of 400-406 MHz (around 401 MHz)

Operation: 8 times/day (00, 03, 06, 09, 12, 15, 18, 21Z)

Period: June 15 - July 6

Remarks:

・calibration using humidity calibrator VAPORPAK H-31 (Digilog Inst.) set to 75%.

・well-ventilated container

・launch if | Tsonde - Toutside| < 0.5℃

and | RHsonde - RHoutside| < 5%

　

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