Report BPD Pontianak Observation 43

Radiosonde Observation log

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

Date (YYYY/MM/DD				2011 /12 /21
Observation Members				Suparman, Hadi R, Iskandar B
Observation Number				43
Observation Time				12 (UTC)
Radiosonde Number Radiosonde Frequency				G0553769 404.50 MHz
Ground Check			Reference	P(hPa): 1006,9	T(0C) : 24,9	RH (%): 0
			Difference	P (hPa): 0,4	T(0C) : 0,3	RH (%): 0
Sonde Release Time				18.30 LST
Observation End Time				19:58:00 LST
Flight Direction (16 direction)				East
Maximum Elevation				20170 (km)
Archive File Name				111221 / 111221.002
Weather Condition				Rain
Cloud Amount				6/8   Octus
Surface	Pressure			1007,1    (hPa)
	Temperature			24,1         (0C)
	Relative Humidity			100      (%)
	Surface Wind Direction			260 (deg)
	Suferface Wind Speed			0,4  (m/s)
Comments		-       Balloon launched succesed -       Data completed saved