M Alternative Within Reach | $125 or $250 1cm + 1ppm Accuracy 10Hz RTK Receiver with 16GB Storage for PPK Processing. www.polaris-gnss.com/ Survey Grade L1 RTK GPS | Receiver & Antenna Kit $325 Bluetooth RTK Rcvr for Android Phone GIS Data Collection. Shipping Oct 9, 2018 www.polaris-gnss.com/ Centimeter Accuracy RTK GNSS | RTK Rcvr/Antenna Kit $250 For Machine Guidance, GIS Data Collection, Aerial Mapping. Shipping Oct 9, 2018 www.polaris-gnss.com/ |