
Weekly Integrated Atmospheric Water Vapor and TEC from GPS  Global
These plots display comparisons of the nearrealtime PWV estimates
with estimates obtained with postprocessed CODE or IGS orbits. PWV from
radiosonde data (RAOBS) are also plotted for comparison with the GPS solutions
when available. A time span of one week is shown for each station. The
plots are updated daily when new RAOBS data become available.
Only the nearrealtime PWV estimates (the last 1hour segment of each
hourly 24hour solution) are compared to the postprocessed solution and
to RAOBS, because these are the values that an operational forecasting
system would assimilate. Data gaps indicate problems with data availability
in near real time. Often data, that were not available in nearrealtime
become available with the daily files provided by NOAA. Select any station
below to view a weekly comparison plot.

 ANKR: Ankara, Turkey (Lon (E): 32.7586  Lat (N): 39.8875)
 ALBH: Victoria, Canada (Lon (E): 236.5126  Lat (N): 48.3898)
 ALGO: Algonquin Park, Canada (Lon (E): 281.9286  Lat (N): 45.9588)
 AUCK: Whangaparaoa Peninsula, New Zeland (Lon (E): 174.8344  Lat (N): 36.6028)
 BAHR: Manama, Bahrain (Lon (E): 50.6081  Lat (N): 26.2091)
 BAN2: Bangalore, India (Lon (E): 77.5100  Lat (N): 12.9500)
 BARH: Bar Harbor, U.S.A. (Lon (E): 291.7783  Lat (N): 44.3950)
 BILI: Bilibino, Russian Federation (Lon (E): 166.4380  Lat (N): 68.0761)
 BJFS: Beijing, China (Lon (E): 115.8925  Lat (N): 39.6086)
 BOGO: Borowa Gora, Poland (Lon (E): 21.0353  Lat (N): 52.4759)
 BRIX: Brescia, Italy (Lon (E): 10.23259  Lat (N): 45.56494)
 BRUS: Brussels, Belgium (Lon (E): 4.3592  Lat (N): 50.7978)
 CASC: Cascais,Portugal (Lon (E): 9.41852  Lat (N): 38.69341)
 CAVA: Cavallino, Italy (Lon (E): 12.58266809  Lat (N): 45.47935681)
 CHAT: Waitangi, New Zealand (Lon (E): 183.4342  Lat (N): 43.9558)
 CHPI: Sao Paulo, Brazil (Lon (E): 44.98557  Lat (N): 22.68694)
 CHUR: Churchill, Canada (Lon (E): 265.9113  Lat (N): 58.7591)
 DRAO: Penticton, Canada (Lon (E): 240.3750  Lat (N): 49.3226)
 FAIR: Fairbanks, Alaska, U.S.A. (Lon (E): 212.5008  Lat (N): 64.9780)
 GUAO: URUMQI, China (Lon (E): 87.1773  Lat (N): 43.4711)
 HELG: Helgoland Island, Germany (Lon (E): 7.89309  Lat (N): 54.17448)
 HERS: Hailsham, England (Lon (E): 0.3362  Lat (N): 50.8673)
 HOFN: Hoefn, Iceland (Lon (E): 344.8132  Lat (N): 64.2673)
 HRAO: Krugersdorp, South AfricaLon (E): 27.6870  Lat (N): 25.8901)
 ISTA: Istanbul, Turkey (Lon (E): 29.0193  Lat (N): 41.1044)
 JOZE: JOZEFOSLAW near WARSAW, Poland (Lon (E): 21.0332  Lat (N): 52.0863)
 JPLM: Pasadena, CA, U.S.A. (Lon (E): 241.8268  Lat (N): 34.2048)
 KGN0: Koganei, Japan (Lon (E): 139.4885  Lat (N): 35.7068)
 KIT3: Kitab, Uzbekistan (Lon (E): 66.8800  Lat (N): 39.1400)
 LAMA: OLSZTYN, Poland (Lon (E): 20.6699  Lat (N): 53.8924)
 LHAS: Lhasa, China (Lon (E): 91.1040  Lat (N): 29.6573l)
 LPGS: La Plata, Argentina (Lon (E): 302.0700  Lat (N): 34.9100l)
 MAG0: Magadan, Russia (Lon (E): 150.7700  Lat (N): 59.5758)
 MATE: Matera, Italy (Lon (E): 16.7045  Lat (N): 40.6491)
 MBAR: Mbarara, Uganda (Lon (E):30.7379  Lat (N): 0.6015)
 MDO1: Fort Davis, U.S.A. (Lon (E): 255.9850  Lat (N): 30.6805)
 METS: Kirkkonummi, Finland (Lon (E): 24.6953  Lat (N): 60.2175)
 MIZU: Mizusawa, Japan (Lon (E): 141.1300  Lat (N): 39.1400)
 MOPI: ModraPiesok, Slovak Republic (Lon(E): 17.27388  Lat(N): 48.37273)
 NRC1: Ottawa, Canada (Lon (E): 1284.3762  Lat (N): 45.4542)
 NRIL: Norilsk, Russia (Lon (E): 88.3598  Lat (N): 69.3618)
 OHI2: O'Higgins, Antarctic Peninsula (Lon (E): 302.0997  Lat (N): 63.3207)
 ORID: Ohrid, Macedonia Lon (E): 20.7940  Lat (N): 52.0863
 OUS2: Dunedin, New Zeland (Lon (E): 170.5100  Lat (N): 45.6800)
 PENC: Penc, Hungary (Lon (E): 19.2815  Lat (N): 47.7896)
 PDEL: Ponta Delgada, Portugal Lon (E): 334.3372  Lat (N): 37.7477
 PETP: PetropavlovskKamchatka, Russia (Lon (E): 158.6070  Lat (N): 53.0667)
 POTS: Potsdam, Germany (Lon (E): 13.0700  Lat (N): 52.3800)
 PRDS: Calgary, Canada (Lon (E): 245.7065  Lat (N): 50.8713)
 PTBB: Braunschweig, Germany (Lon (E): 10.4597  Lat (N): 52.2962)
 QAQ1: Qaqortoq / Julianehaab, Greenland(Denmark) Lon (E): 313.9522  Lat (N): 60.7152
 RIOG: Rio Grande, Argentina (Lon (E): 292.2500  Lat (N): 53.7900)
 REYK: Reykjavik, Iceland (Lon (E): 338.0445  Lat (N): 64.1388)
 SA04: Taoyuan, Taiwan, China (Lon (E): 121.187  Lat (N): 24.968)
 SA16: Melbourne, Australia (Lon (E): 145.133  Lat (N): 37.9128)
 SG02: Helsinki, Finland (Lon (E): 25.047  Lat (N): 60.2)
 SG21: Teoloyucan, Mexico (Lon (E): 99.1882  Lat (N): 19.7414)
 SG26: Seoul, Korea (Lon (E): 126.96  Lat (N): 37.46)
 SG27: Barrow, Alaska, U.S.A. (Lon (E): 156.61  Lat (N): 71.3229)
 SOFI: Sofia, Bulgaria (Lon (E): 23.3947  Lat (N): 42.5561)
 STJO: St. John's, Canada (Lon (E): 307.3223  Lat (N): 47.5952)
 SUTM: Sutherland, South Africa (Lon (E): 20.8100  Lat (N): 32.2100)
 TNML: Hsinchu, Republic of China Lon (E): 120.9873  Lat (N): 24.7980
 TRAB: Trabzon, Turkey (Lon (E): 39.7756  Lat (N): 40.9947)
 TOW2: Cape Ferguson, Australia (Lon (E): 147.0557  Lat (N): 19.2693)
 THU3: Thule Airbase, Greenland(Denmark) Lon (E): 291.1750  Lat (N): 76.537
 TWTF: Taoyuan, China (Lon (E): 121.1645  Lat (N): 24.9536)
 USNO: Washington, U.S.A. (Lon (E): 282.9338  Lat (N): 38.9190)
 VILL: Villafranca, Spain (Lon (E): 356.0480  Lat (N): 40.4436)
 VOLT: Venice, Italy (Lon(E): 11.91092  Lat(N): 45.38457)
 WES2: Westford, USA (Lon (E): 288.5060  Lat (N): 42.6130)
 WHIT: Whitehorse, Canada (Lon (E): 224.7779  Lat (N): 60.7505)
 WIND: Windhoek, Namibia, Africa (Lon (E): 17.08943  Lat (N): 22.57492)
 WTZR: Koetzting, Germany (Lon (E): 12.8789  Lat (N): 49.1442)
 WUHN: Wuhan City, China (Lon (E): 114.3573  Lat (N): 30.5317)
 YAKT: Yakutsk, Russia (Lon (E): 129.6803  Lat (N): 62.0310)
 YELL: Yellowknife, Canada (Lon (E): 245.5193  Lat (N): 62.4809)
 YSSK: YuzhnoSakhalins, Russia (Lon (E): 142.7167  Lat (N): 47.0297)
 ZIMM: Zimmerwald, Switzerland (Lon (E): 7.4653  Lat (N): 46.8771)


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Last Modified: October, 2003
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