Report BPD Pontianak Observation 39

Radiosonde Observation log

Station	Pontianak (LAPAN Observatory)
Position	0.00 0 S,109.370 E
Altitude	1m MSL

Date (YYYY/MM/DD				2011 /12 /19
Observation Members				Hadi, Rudi, Suyadi
Observation Number				39
Observation Time				12 (UTC)
Radiosonde Number Radiosonde Frequency				G0553794 404.50 MHz
Ground Check			Reference	P(hPa): 1006,1	T(0C) : 24,8	RH (%): 0
			Difference	P (hPa):0,2	T(0C) : -0,2	RH (%): 0
Sonde Release Time				18.30 LST
Observation End Time				19:31:00LST
Flight Direction (16 direction)				North
Maximum Elevation				19521 (km)
Archive File Name				111219 / 111219.002
Weather Condition				Drizzel
Cloud Amount				5/8   Octus
Surface	Pressure			1006,1    (hPa)
	Temperature			25,8         (0C)
	Relative Humidity			100      (%)
	Surface Wind Direction			198  (deg)
	Suferface Wind Speed			0,3   (m/s)
Comments		Observation success