Report BPD Pontianak Observation number 38

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				Iskandar, Suheruddin, Hidayat
Observation Number				38
Observation Time				00 (UTC)
Radiosonde Number Radiosonde Frequency				G0553772 404.50 MHz
Ground Check			Reference	P(hPa): 1008,8	T(0C) : 25,5	RH (%): 0
			Difference	P (hPa):1,8	T(0C) : 2,8	RH (%): 0
Sonde Release Time				06.30 LST
Observation End Time				07:36:12 LST
Flight Direction (16 direction)				South
Maximum Elevation				20275 (km)
Archive File Name				111219 / 111219.001
Weather Condition				cloudy
Cloud Amount				3/8   Octus
Surface	Pressure			1008,8    (hPa)
	Temperature			25,5         (0C)
	Relative Humidity			100      (%)
	Surface Wind Direction			535  (deg)
	Suferface Wind Speed			0,0   (m/s)
Comments		Observation success