D Logs summary
MiLLennium GPSCard Software Version 4.50 Command Descriptions Manual Rev 1 201Table D-7 Channel Tracking Status

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

Table D-7, Bits 0 - 3: Channel Tracking St ate

Table D-7, Bits 12-14: Correlator Spaci ng

State Description State Description

0L1 Idle 6L1 Steering

1L1 Sky search 7L1 Frequency-lock loop

2L1 Wide frequency band pull-in 8L2 Idle

3L1 Narrow frequency band pull-in 9L2 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.45, which didn’t use this field

1Standard correlator: spacing = 1 chip

2Narrow Correlator tracking technology: spacing < 1 chip

Higher numbers are reserved for future use
N 7 N 6 N 5 N 4 N 3 N 2 N 1 N 0 <- <- Nibble Number
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9876543210 Bi t Descript ion Range Values Hex.
lsb = 0 1
1Tracking state 0 - 11 See below 2
2 4
3 8
410
50 - n (0 = first, n =
last) 20
6Channel number ( n depends on GPSCard) 40
780
8100
9Phase lock flag 1 = Lock, 0 = Not locked 200
10 Parity known flag 1 = Known, 0 = N o t
known 400
11 Code locked fla g 1 = Lock, 0 = Not locked 800
12 1000
13 Correlator spac in g 0 - 7 See bel ow 2000
14 4000
15 0=GPS 3= Pseudolite
GPS 8000
16 Satellite system 1=GLONASS 4-7
Reserved 10000
17 2=WAAS 20000
18 Reserved 40000
19 Grouping 1 = Grouped, 0 = Not
grouped 80000
20 Fr equency 1 = L2, 0 = L1 100000
21 Code t ype 0 = C/A 2 = P-
codeless 200000
22 1 = P 3 = Reser ved 400000
23 Forward erro r c o rrection 1 = FEC enabled, 0 = no
FEC 800000
24
:Reserved
29
30 External range 1 = Ext. range, 0 = Int.
range
31 Channel assignment 1 = Forced, 0 =
Automatic