Platinum RTK Subscription RTK corrections including both GPS and GLONASS are provided from a central server which automatically selects and then sends the corrections from the nearest base station to your rover via a cell phone modem. Corrections will provide approximately 1-3 cm 3D accuracy when your rover is within 18 miles of one of our reference stations. Corrections Provided: CMR CMR+ RTCM 2.3 RTCM 3.0 RTCM 2.3 DGPS Datum: WGS84 Our Premium RTK subscription also allows you access to download logged data from any or all of our CORS for post processing with your own static data in Topcon's TPS format. All data is stored in one hour intervals. We supply a RINEX converter for those utilizing other post processing software. Static data will be archived and available for 365 days. DGPS (Mapping Grade Corrections) Provides real time corrections for your mapping (handheld, backpack etc...) grade GPS receiver. Increase your accuracy to approximately 1 ft. /3 dm accuracy in real time. CORS Data Only Subscription This subscription also allows you access to download logged data from any or all of our CORS for post processing with your own static data in Topcon's TPS format. All data is stored in one hour intervals. We supply a RINEX converter for those utilizing other post processing software. Static data will be archived and available for 365 days.