LINKS Aerial Photography and Mapping: American Society for Photogrammetry and Remote Sensing: www.asprs.org Geostationary Satellite Service: www.goes.noaa.gov Management Association for Private Photogrammetric Surveyors: www.mapps.org/ National mapping information at U.S. Geological Survey: www.geography.usgs.gov/ National Geodetic Survey's network of continually operating reference stations: www.ngs.noaa.gov/CORS New Mexico Geographic Information Council: www.nmgic.com Sun angle calculation: www.susdesign.com/sunangle Aviation: Aircraft Owners and Pilots Association: www.aopa.org Federal Aviation Administration: www.faa.gov Belen Alexander Airport: www.belen-nm.gov/departments/alex_mun_airport/alexMunicipalAirport.htm Equipment: Cessna 210 and Cessna 335: www.cessna.com Leica Geosystems: www.leica-geosystems.us/en/ Vexcel Ultracam: http://www.microsoft.com/ultracam/en-us/UltraCamLp.aspx Track'Air Aerial Survey System: www.trackair.com Frontier Geomatics: www.frontiergeomatics.com NovAtel SPAN System: www.novatel.com Remote Sensing Technologies Optical Science Laboratory:  http://calval.cr.usgs.gov/calval_osl/ Shiloh Aviation - Aircraft Cylinder Repair:  www.shilohaviation.net/ Wehrli and Associates, Inc.: www.wehrliassoc.com Western Skyways: www.westernskyways.com New Mexico Aircraft Propeller:  nmpropellor.com Weather: AccuWeather.com: www.accuweather.com Weather.com: www.weather.com Vendors: Aerial Photo Lab, Inc.: www.aerialphotolab.com Agfa Specialty Products:  www.agfa.com/sp/global/en/internet/main/solutions/aerialphotography/index.jsp Clients: USDA Aerial Photography Field Office: www.apfo.usda.gov New Mexico Department of Transportation: dot.state.nm.us  DAS, Inc.:  www.dasmaps.com/public_html/index.php AeroMetric - Geospatial Solutions:  www.aerometric.com/ Wilson & Company:  www.wilsonco.com/ Other Agencies and Organizations: Belen, New Mexico: www.belen-nm.gov/ Belen Public Library: www.belen-nm.gov/library.htm International Organization for Standardization: www.iso.org New Mexico Economic Development Department: www.edd.state.nm.us Orion Registrar, Inc.: www.orion4value.com State of New Mexico: www.state.nm.us Professional Surveyor Magazine: www.profsurv.com/spring2012.aspx