Thursday, May 26, 2011




































20110526
Flight #: RC384
Sonde #: 2Z9355-V7
Radiosonde serial: S16171
Location: UH Launch Trailer

Sky: clear
Launch Trailer Conditions:
Temperature: 90.4°F
Relative Humidity: 27%
Wind: 19° at 6.0 mph
Barometer: 1006 hpa

CL31: [Not working]

UHMT: Surface Ozone: 92 ppbv

Launch Time: 14:26 (local)


Balloon: 600 g Kaymont
Fill Pressure: 18500 kPa

Balloon passed 100 mbar at , avg rise rate = m/s
Burst Height: 29.02 km
Lost signal around: 3 km

Notes:
The predicted trajectory was approximately half this distance (somewhere in Galveston Bay). The location in the image was the last signal received.

Wednesday, May 11, 2011

11 May 2011: Taking down flux/met instruments and datalogger



























































































Azucena and Christine
Start: 8am LT

Removing: sonic anemometer, anemometer, heat flux plate in soil, net radiometer, pressure instrument and temp/RH probe in addition to CR5000 datalogger

Wiring instruction for all instruments on CR5000 datalogger:

1. WO#66035
SN:D4210012
PTB110: Pressure
blue(SE1), yellow (GRND), red (12V), green (C1), black (GRND), clear (GRND)

2. CNR1
SN:80238
red (SE3), blue (SE4), white (SE5), black (SE6), grey (SE7), yellow (SE8), brown (SE9), green (SE10), clear (GRND)

3. HFP01SC-L SO#248050
WO#98522
green (SE14), white (SE13), clear (GRND)

4. grey wire w/yellow tape
red (SE 31), orange (SE32), yellow (SE37), purple (12V), blue (SE 33), green (SE 35), black (GRND), metal (GRND), grey & brown (nowhere)

*black jumpers from :
1. SE32 TO SE34
2. SE34 TO SE36
3. SE36 TO SE38

5. Campbell Scientific P/N 9661
black cable
clear (GRND), yellow (SE15), purple (SE16),black (GRND), red (SW-12)

6. black cable w/yellow tape (#2 written on it)
yellow (SE 27), green (SE28), clear (GRND), white (GRND), black (GRND), red (1X1), blue (1XR)

7. grey cable w/yellow tape (#8 written on it )
metal (GRND), blue (SE29), yellow (SE 30), grey (GRND), black (GRND), red (12v)

8. grey cable w/yellow tap (#4 written on it)
blue ( VX1), green ( SE 39), red (p1), black (G), grey (G), metal (G)






































Thursday, May 5, 2011

20110505 Ozonesonde Launch RC382







Team: Aleksey, Stephanie

20110505
Flight #: RC382
Sonde #: 2Z9320-V7
Radiosonde serial: S12469
Location: UH Launch Trailer

Sky: partly cloudy

Launch Trailer Conditions:
surf temp: 25.86 C
RH: 34.46%
surf pressure: 1016.79 mbar
WS: 1.65 m/s
WDir: 93.19 deg

CL31: [Not working]

UHMT: Surface Ozone: 76 ppbv

Launch Time: 17:37:51 CDT
Launch Time: 22:37:51 GMT

Balloon: 600 g Kaymont
Fill Pressure: 1900 kPa

Balloon passed 100 mbar at 00:59:46, avg rise rate = 4.6 m/s
Burst Height: 28.98 km
Lost signal around 4.421 km

Notes:
- sonde consistent with Moody Towers
- finished one roll white tape
- AVG interrupted Strato during preflight
- 1st balloon blew away while changing tanks (very windy)
- couldn't open lid on 2nd tank (3rd tank was good)
- Strato 9.31 froze after exit, screen flashed (ctr-alt-del to close it)

5 May 2011: Replace CL31 Transmitter

CL31 transmitter (CL311SP) failing.

Replacing with new trasmitter (CL321SP).

Install new BL-View software.

Vaisala Contact:

Collins Nzui
Technical Service Engineer
Vaisala Product Services
10-D Gill Street, Woburn, MA 01801
Direct: 781 537 1027, Toll Free: 1 888 VAISALA (824 7252), Telefax: 781 933 8029
mailto:collins.nzui@vaisala.com
http://www.vaisala.com

Wednesday, May 4, 2011

4 May 2011: 1243 UTC ozonesonde launch with SO2 filter






Team: Stephanie, Christine, Ariel

20110504Flight #: RC381
Sonde #: 2Z9325-V7 with SO2 filter
Radiosonde serial: iMet 12106

Location: UH Launch Trailer
Sky: Clear
Launch Trailer Conditions:
surf temp: 15.12 C
RH: 59.8
Pressure: 1027.33 mbar
WS: 0.68 m/s
WDir: 63.75 deg
CL31: No cloud/BLH
UHMT: Surface Ozone: 13 ppbv

Launch Time: 7:43:11 local
Launch Time: 12:43:11 GMT

Balloon: 600 g Kaymont
Fill Pressure: 2000 g
Balloon passed 100 mbar at 00:55:36, avg rise rate = 5.0 m/s
Burst Height: 27.38 km
Lost signal around 8.21 km

Notes:
- Clear skies, very high surface pressure
- sonde consistent with Moody Towers
- sonde stopped getting ozone data around 16 km (ascent)
- started getting ozone data during descent

Tuesday, May 3, 2011

20110428 Ozonesonde Launch RC380










Team: Darrell, Stephanie

20110428
Flight #: RC380
Sonde #: 2Z9330-V7
Radiosonde serial: S12472
Location: UH Launch Trailer

Sky: Clear

Launch Trailer Conditions:
surf temp: 27.72 C
RH: 18.12%
surf pressure: 1017.86 mbar
WS: 2.09 m/s
WDir: 316.38 deg

CL31: No cloud detected

UHMT: Surface Ozone: 70 ppbv

Launch Time: 16:29:43 local
Launch Time: 21:29:43 GMT

Balloon: 600 g Kaymont
Fill Pressure: 1900 kPa

Balloon passed 100 mbar at 01:05:02, avg rise rate = 4.2 m/s
Burst Height: 28.65 km
Lost signal around 6.641 km

Notes:
- Very low RH (post-frontal)
- sonde consistent with Moody Towers