Appendix 3: Technical Specifications
GNNS module specifications:
Channels: 220
Satellite signals tracked:
GPS: Simultaneous L1 C/A, L2E, L2C, L5.
GLONASS: Simultaneous L1 C/A, L1 P, L2 C/A (GLONASS M Only), L2 P.
SBAS: Simultaneous L1 C/A, L5.
GIOVE-A: Simultaneous L1 BOC, E5A, E5B, E5AltBOC1.
GIOVE-B: Simultaneous L1 CBOC, E5A, E5B, E5AltBOC1.
COMPASS: (reserved): B1 (QPSK), B1-MBOC (6, 1, 1/11), B1-2 (QPSK), B2 (QPSK),
B2-BOC (10, 5), B3 (QPSK), B3BOC (15, 2.5), L5 (QPSK).
Very low noise GNSS carrier phase measurements with <1 mm precision in a 1 Hz
bandwidth.
High precision multiple correlator for GNSS pseudo range measurements.
Unfiltered, unsmoothed pseudo range measurements data for low noise, low multipath
error, low time domain correlation and high dynamic response.
Proven low elevation tracking technology.
20 Hz raw measurement & position outputs.
Signal recapture < 1 sec (**).
RTK signal initialization typically < 10 sec (**).
Initial capture time typically < 15 sec (**).
Internal Memory: 4 Gb with micro SD card (over than 60 days of raw static data
storage with recording sample every 1 second)