Report BPD Pontianak Observation number 31

Radiosonde Observation log

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

Date (YYYY/MM/DD				2011 /12 /16
Observation Members				Suhendi, Rudiyanto, Tugimin
Observation Number				31
Observation Time				00 (UTC)
Radiosonde Number Radiosonde Frequency				G2414260 404.50 MHz
Ground Check			Reference	P(hPa): 1008,8	T(0C) : 21,4	RH (%): 0
			Difference	P (hPa): 0,2	T(0C) : -0,5	RH (%): 0
Sonde Release Time				06.30 LST
Observation End Time				07:39:12 LST
Flight Direction (16 direction)				North East
Maximum Elevation				20435 (km)
Archive File Name				111216 / 111216.001
Weather Condition				Cloudy
Cloud Amount				4/8   Octus
Surface	Pressure			1008.8    (hPa)
	Temperature			25         (0C)
	Relative Humidity			100      (%)
	Surface Wind Direction			225  (deg)
	Suferface Wind Speed			1.1    (m/s)
Comments		-       Balloon launched succused