DISCO-B4 H
ARDWARE
M
ANUAL
V
ERSION
1.0.3
4.1.4 GPS engine features
GPS engine:
➢
UBX-G5010 single chip from
u-blox
➢
50-channel u-blox 5 engine
➢
GPS L1 C/A code
A
ccuracy:
➢
Position: < 10 m CEP
Time to First Fix (TTFF):
➢
Hot starts
< 1 sec., average
➢
Cold starts
29 sec, average
Sensitivity:
➢
Tracking
-160 dBm
Dynamic Conditions:
➢
Velocity
< 515 m/s (1000 knots).
➢
Max. update rate 1 Hz
A-GPS support:
➢
AssistNow Online
➢
AssistNow Offline,
Crystal oscillator (TCXO):
➢
Load sensitivity ± 10 % load change, 0.2 ± ppm
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