Table 1.
Selected technical specifications of the GNSS devices. Legend: GNSS—Global Navigation Satellite System; GPS—Global Positioning System; GLONASS—Globalnaja Navigacionnaja Sputnikovaja System; A-GPS—Assisted GPS; SBAS—Satellite-Based Augmentation System; RTK—Real Time Kinematics.
| Device | GNSS Satellites | Doppler Effect | Frequency | Processing Mode | Sampling Rate (Hz) | Receiver's Number of Channels | Latency (ms) | Antenna Type |
|---|---|---|---|---|---|---|---|---|
| HTC | GPS | No | L1 | A-GPS | 1 | ? | ? | Internal |
| Garmin | GPS | No | L1 | SBAS | 1 | 12 | ? | Internal |
| Locosys | GPS | Yes | L1 | SBAS | 1 | 20 | ? | Internal |
| Racelogic | GPS | No | L1 | SBAS | 20 | 20 | 41.5 | External |
| Leica | GPS + GLONASS | No | L1/L2 | RTK | 20 | 72 | 20 | External |