One second rinex and Trimble format GPS data is “dat” available through the ODOT OVERVIEW CORS ftp site. The Ohio Department of BENEFITS Transportation, Office of Aerial Engineering operates a network Tie all projects to permanent of GPS Continuously Operating reference points. (State Plane Real-time data is available for Reference Stations (CORS) in Coordinate System) registered users via cell phones the of Ohio providing data or wireless modems. Currently for post-processed and Saves time, increases this service is FREE. Once our positioning applications. productivity. webpage and a few other items This GPS network currently are completed we anticipate consists of 52 stations Quality Control. (consistent charging an annual fee to help strategically placed across with position on base) defray some of the maintenance a few in and . All reference costs. stations are linked to a series of computers located at the State (Current RTK correction formats of Ohio Computing Center in . USING THE NETWORK supported: RTCM 2.3, RTCM 3.0 and CMR+.) Users will need their own wireless data plan and cell phone DATA AVAILABILITY or wireless modem. GNSS UPGRADE All 52 of the ODOT network During the first half of 2007, we CORS are currently part of the began to upgrade the network National Geodetic Survey (NGS) by replacing our old receivers - National CORS network. One with new units that support the second rinex format GPS data is modernized GPS L2C and L5 If you are interested in the available for these stations signals as well as GLONASS system, please send your through the NGS webpage. L1/L2 signals. GNSS receivers request or email your request to: have been installed in the green highlighted area shown on the Ohio Department of map below. Transportation
OVERVIEW The Ohio Department of Transportation, Office of Aerial Engineering operates a network of GPS Continuously Operating Reference Stations (CORS) in the of Ohio providing data for post-processed and positioning applications. This GPS network currently consists of 52 stations strategically placed across with a few in and . All reference stations are linked to a series of computers located at the State of Ohio Computing Center in . DATA AVAILABILITY All 52 of the ODOT network CORS are currently part of the National Geodetic Survey (NGS) - National CORS network. One second rinex format GPS data is available for these stations through the NGS webpage. One second rinex and Trimble “dat” format GPS data is available through the ODOT CORS ftp site. Real-time data is available for registered users via cell phones or wireless modems. Currently this service is FREE. Once our webpage and a few other items are completed we anticipate charging an annual fee to help defray some of the maintenance costs. (Current RTK correction formats supported: RTCM 2.3, RTCM 3.0 and CMR+.) GNSS UPGRADE During the first half of 2007, we began to upgrade the network by replacing our old receivers with new units that support the modernized GPS L2C and L5 signals as well as GLONASS L1/L2 signals. GNSS receivers have been installed in the green highlighted area shown on the map below. BENEFITS Tie all projects to permanent reference points. (State Plane Coordinate System) Saves time, increases productivity. Quality Control. (consistent position on base) USING THE NETWORK Users will need their own wireless data plan and cell phone or wireless modem. If you are interested in the system, please send your request or email your request to: Ohio Department of Transportation