... -Meter DGPS Surveying Solutions Product FeatureS35 differential receiver can receive GPS statellite singnals, various SBAS signals, as well as the differential ... technology, when differential signals outage)Channel12 channels, parallel tracking(11 channels when tracking SBAS)Differential SourceSBAS(WAAS,EGNOS,MSAS)Horizontal AccuracyDGPS≤1mSingle ...