Report BPD Pontianak Observation 53

Radiosonde Observation log

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

Date (YYYY/MM/DD				2011 /12 /26
Observation Members				Juliansyah, Miswari, Suyadi
Observation Number				53
Observation Time				12 (UTC)
Radiosonde Number Radiosonde Frequency				G0553778 404.50 MHz
Ground Check			Reference	P(hPa): 1009,1	T(0C) : 24,7	RH (%): 0
			Difference	P (hPa): 0,9	T(0C) : -0,1	RH (%): 0
Sonde Release Time				18.30 LST
Observation End Time				19:33:48  LST
Flight Direction (16 direction)				West
Maximum Elevation				17019 (km)
Archive File Name				111226/ 111226.002
Weather Condition				Rain
Cloud Amount				7/8   Octus
Surface	Pressure			1009,2    (hPa)
	Temperature			24,7        (0C)
	Relative Humidity			100      (%)
	Surface Wind Direction			79 (deg)
	Suferface Wind Speed			0,6  (m/s)
Comments		-       Balloon launched succesed -       Data completed saved