Code Name Lat Lon Elevation (masl) First Sample Date Most Recent Sample Date Status1 Bottom altitude (m) Top altitude (m) Average Flight Frequency2 (days)
AAO Airborne Aerosol Observing, Bondville, Illinois 40.0500 -88.3700 230.00 2006-06-07 2009-09-18 Terminated 10 4860 4
BAO Boulder Atmospheric Observatory, Colorado 40.0500 -105.0040 1584.00 2008-07-24 2008-07-24 Terminated 1849 4795 Not available
BGI Bradgate, Iowa 42.8200 -94.4100 355.10 2004-09-13 2005-11-18 Terminated 599 8075 14
BLD Boulder, Colorado 39.9910 -105.2607 1628.00 1996-08-31 2012-09-05 Terminated 0 12296 26
BNE Beaver Crossing, Nebraska 40.8000 -97.1800 465.90 2004-09-15 2011-05-11 Terminated 597 8157 27
CAR Briggsdale, Colorado 40.3700 -104.3000 1740.00 1992-11-09 2013-04-21 Ongoing 1796 11879 17
CMA Cape May, New Jersey 38.8300 -74.3200 0.00 2005-08-17 2013-05-14 Ongoing 277 8116 15
CRV Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE) 64.9863 -147.5980 611.43 2011-03-29 2013-05-14 Ongoing 50 5451 14
DND Dahlen, North Dakota 47.5000 -99.2400 472.44 2004-09-21 2013-04-16 Ongoing 518 8131 35
ESP Estevan Point, British Columbia 49.3825 -126.5441 7.00 2002-11-22 2013-04-25 Ongoing 18 5820 18
ETL East Trout Lake, Saskatchewan 54.3501 -104.9834 492.00 2005-10-15 2013-04-27 Ongoing 599 7823 23
FTL Fortaleza -3.5200 -38.2800 3.00 2000-12-09 2003-03-25 Terminated 152 4267 93
FWI Fairchild, Wisconsin 44.6600 -90.9600 334.30 2004-09-20 2005-11-18 Terminated 590 8073 14
HAA Molokai Island, Hawaii 21.2300 -158.9500 3.00 1999-05-31 2008-04-22 Terminated 4 8104 21
HFM Harvard Forest, Massachusetts 42.5378 -72.1714 340.00 1999-11-11 2007-11-18 Terminated 582 8063 19
HIL Homer, Illinois 40.0700 -87.9100 201.50 2004-09-16 2013-04-19 Ongoing 555 8113 24
HIP HIPPO (HIAPER Pole-to-Pole Observations) -99.9999 -999.9999 -9999.99 2009-01-09 2011-09-09 Terminated 3 14871 17
INX INFLUX (Indiana Flux Experiment) 39.5810 -86.4210 250.00 2010-10-27 2013-03-19 Ongoing 302 3518 38
LEF Park Falls, Wisconsin 45.9451 -90.2732 472.00 1998-04-10 2013-05-13 Ongoing 549 5060 15
NHA Worcester, Massachusetts 42.9500 -70.6300 0.00 2003-09-12 2013-05-07 Ongoing 0 8069 16
OIL Oglesby, Illinois 41.2800 -88.9400 192.60 2004-09-16 2005-11-19 Terminated 530 8121 12
PFA Poker Flat, Alaska 65.0700 -147.2900 210.00 1999-06-27 2013-04-26 Ongoing 129 7604 21
RTA Rarotonga -21.2500 -159.8300 3.00 2000-04-16 2013-04-30 Ongoing 16 6528 25
SAM Montzka -99.9999 -999.9999 -9999.99 2008-03-29 2008-04-24 Terminated 93 7182 3
SAN Santarem -2.8500 -54.9500 78.00 2000-12-07 2003-08-20 Terminated 152 5200 43
SCA Charleston, South Carolina 32.7700 -79.5500 0.00 2003-08-22 2013-04-29 Ongoing 218 13279 21
SGP Southern Great Plains, Oklahoma 36.6070 -97.4890 314.00 1998-03-02 2013-05-13 Ongoing 152 12949 7
TGC Sinton, Texas 27.7300 -96.8600 0.00 2003-09-09 2013-05-11 Ongoing 250 8131 34
THD Trinidad Head, California 41.0541 -124.1510 107.00 2003-09-02 2013-04-18 Ongoing 232 8105 33
ULB Ulaanbaatar 47.4000 106.0000 1350.00 2004-03-25 2009-03-05 Terminated 1512 5944 25
WBI West Branch, Iowa 41.7248 -91.3529 241.70 2004-09-14 2013-04-24 Ongoing 572 8204 55
WGC Walnut Grove, California 38.2650 -121.4911 0.00 2008-05-23 2009-03-08 Terminated 6 3177 19
1 Status Description
Ongoing Sites that are represented on maps and whose data are made available via IADV.
Terminated Sites that are no longer active but are included on maps and whose data are made available via IADV.
2 Average number of days between flights during the last two years of sampling.