D Logs summary
184 MiLLennium Command Descriptions ManualTable D-7 Channel Tracking Status

Table D-7 is referenced by the ETSA/B, and RGEA/B/D logs.

Table D-7, Bits 0 - 3 : Channel Tracking State

Table D-7, Bits 12-14 : Correlator Spacing

State Description State Description
0L1 Idle 6 L1 Steering
1L1 Sky search 7 L1 Frequency-lock loop
2L1 Wide frequency band pull-in 8 L2 Idle
3L1 Narrow frequency band pull-in 9 L2 P-code alignment
4L1 Phase-lock loop 10 L2 Search
5L1 Re-acquisition 11 L2 Phase-lock loop
Higher numbers are reserved for future use
State Description
0Unknown: this only appears in versions of software previous to x.4x, which didn’t use this field
1Standard correlator: spacing = 1 chip
2Narrow Correlator: spacing < 1 chip
Higher numbers are reserved for future use
N7 N6 N5 N4 N3 N2 N1 N0 <- <-Nibble Number
313029282726252423222120191817161514131211109876543210Bit Description Range Values Hex.
lsb = 0 1
1Trac king state 0 - 11 See below 2
24
38
4 10
5 0 - n (0 = first, n = la s t) 20
6Channel num ber (n depends on GPSCard) 40
7 80
8 100
9Phase loc k flag 1 = Lock, 0 = Not locked 200
10Par ity known f lag 1 = Known, 0 = Not known 400
11Code loc ked flag 1 = Lock, 0 = Not locked 800
12 1000
13Cor relator spacing 0 - 7 See below 2000
14 4000
15 0=GPS 3= Pseudolite GPS 8000
16Sat ellite system 1=GLONASS 4-7 Reserved 10000
17 2=WAAS 20000
18Reserved 40000
19Groupi ng 1 = Grouped, 0 = Not grouped 80000
20Frequenc y 1 = L2, 0 = L1 100000
21Code t ype 0 = C/A 2 = P-codeless 200000
22 1 = P 3 = Reserved 400000
23Forwar d error corr ecti 1 = FEC enabled, 0 = no FE C 800000
24
: Reserved
29
30Ext ernal range 1 = Ext. range, 0 = Int. range
31Channel assignment 1 = Forced, 0 = Automatic
model)
Foreword error correction