| Brand | Polaris | Smartnet | Sensorcloud | Atlas GNSS Triglobal | Ardusimple SimpleSSR | Hoober | Atlantic Tractor RTK | KeyNet GPS | CORS Network | TopCon Realpoint | Rtk2go | Alpha RTK |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cost per month | $150 | $500 | $100 | $50 | $500 | $895 | Not reported | $50 | Not reported | Not reported | Free to use | $195 |
| Accuracy | 1 cm | 1-3cm | Not reported | Not reported | Not reported | Not reported | +/- 1in corrections | Not reported | Not reported | 2cm | Not reported | 1cm |
| Total physical base stations | > 1440 | — | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | 5000 | 25 |
| Uptime | 99.99 % | 99.6% | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported |
| Coverage | International | International | International | International | Regional | Regional | Regional | TBD | Regional | Regional | International | Regional |
| Global coverage | Yes | Y | N | N | N | N | N | N | N | N | Y | N |
| GraphQL API | Yes | N | N | N | N | N | N | N | N | N | N | N |
| Automated Ref. Station Assoc. | Yes | N | N | N | N | N | N | N | N | N | Y | N |
| GNSS Frequency Bands | L1, L2, L5 | Not Reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported |
| True RTK | Yes | N | N | N | N | N | N | N | N | N | Y | Y |
RTK stands for Real-Time Kinematic, a technology that increases the accuracy of GNSS signals using fixed-positioned base stations that send GNSS corrections to an RTK receiver. With these corrections, the GNSS receivers can achieve within 1-2 centimeter accuracy.
