GPS Space Vehicle Time Integrity for MJD 51949

As viewed from the CSIRO NML system installed at the Physics Dept, University of Western Australia, Perth, Australia
Latitude -31.9787720 degrees, longitude 115.8165830 degrees, height 67.0 metres

ABCDEFGHIJK
PRNBlock
no.
StartEndMeasure-
ments
REF
-GPSSV (ns)
REF
-SV (ns)
Std.Dev.
(ns)
Outliers
> 4 s
Outliers
> 500 ns
Health
1
1
02:33
09:18
 24,272
189,204
    24,970
145
0
0
0
2
1
08:39
14:20
 20,473
189,752
   527,092
167
0
0
0
3
3
1
2
00:00
20:44
02:49
23:59
 10,151
 11,747
188,859
190,463
   186,518
   187,872
54
101
1
0
1
0
0
0
4
4
1
2
05:00
13:44
09:18
17:10
 15,470
 12,349
189,285
190,035
  -483,815
  -483,335
97
64
1
0
0
0
0
0
5
1
12:48
20:04
 26,152
190,149
   -95,782
154
0
0
0
6
1
15:19
22:24
 25,545
190,291
   190,437
102
0
0
0
7
7
1
2
03:16
10:29
05:41
15:18
  8,750
 17,316
188,981
189,846
  -355,634
  -355,244
52
69
1
0
0
0
0
0
8
1
06:16
13:15
 25,137
189,570
  -593,987
113
0
0
0
9
1
11:45
18:11
 23,108
190,046
   220,517
195
0
1
0
10
10
1
2
08:39
17:37
12:53
20:23
 15,268
  9,992
189,650
190,229
   125,649
   126,210
112
44
1
1
0
0
0
0
11
1
00:26
06:15
 20,970
188,999
   187,910
135
0
0
0
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
03:25
06:16
05:28
10:44
  7,362
 16,086
189,047
189,441
   189,220
   189,616
94
94
0
0
0
0
0
0
14
14
14
1
2
3
00:00
14:31
22:09
02:43
17:37
23:59
  9,777
 11,201
  6,610
188,825
190,070
190,464
   277,659
   278,953
   279,371
47
85
70
1
0
0
1
0
0
0
0
0
15
-
 
 
 
 
 
 
 
 
 
16
-
 
 
 
 
 
 
 
 
 
17
1
17:37
23:32
 21,318
190,385
   488,000
80
1
0
0
18
-
 
 
 
 
 
 
 
 
 
19
1
04:13
08:38
 15,874
189,275
  -238,522
95
0
0
0
20
1
01:10
06:46
 20,140
189,042
   244,598
177
0
0
0
21
21
1
2
00:00
20:37
02:32
23:59
  9,154
 12,141
188,820
190,496
   188,270
   189,918
51
96
1
0
1
0
0
0
22
22
1
2
05:29
19:23
06:46
23:59
  4,610
 16,587
189,135
190,427
  -344,410
  -343,735
52
61
1
0
1
0
0
0
23
23
1
2
12:25
19:17
13:51
23:59
  5,194
 16,928
189,772
190,424
   182,226
   182,857
48
79
1
0
0
0
0
0
24
24
1
2
06:46
14:19
09:49
17:36
 10,950
 11,859
189,362
190,116
   161,605
   162,273
82
92
1
0
0
0
0
0
25
25
1
2
01:36
17:20
05:28
21:16
 13,880
 14,159
188,946
190,268
   177,653
   178,956
85
66
1
0
1
0
0
0
26
1
10:15
15:41
 19,602
189,871
  -120,760
67
0
0
0
27
1
05:29
11:38
 22,104
189,459
   178,629
142
0
0
0
28
28
28
1
2
3
00:00
06:46
21:16
01:14
08:38
22:36
  4,464
  6,718
  4,790
188,757
189,309
190,410
   171,377
   171,925
   173,032
50
60
55
1
1
0
0
1
0
0
0
0
29
29
29
1
2
3
00:00
15:42
22:37
03:35
17:36
23:59
 12,929
  6,847
  4,957
188,873
190,086
190,475
  -231,556
  -231,426
  -231,524
83
35
42
0
0
0
0
0
0
0
0
0
30
30
1
2
14:18
17:40
17:37
21:16
 11,957
 12,947
190,111
190,338
   197,210
   197,456
127
42
0
0
0
0
0
0
31
31
1
2
00:00
22:37
04:01
23:59
 14,479
  4,953
188,898
190,449
   159,065
   160,490
55
62
1
0
1
0
0
0
32
-
 
 
 
 
 
 
 
 
 
33
-
 
 
 
 
 
 
 
 
 
34
-
 
 
 
 
 
 
 
 
 
35
-
 
 
 
 
 
 
 
 
 
36
-
 
 
 
 
 
 
 
 
 
37
-
 
 
 
 
 
 
 
 
 
38
-
 
 
 
 
 
 
 
 
 
39
-
 
 
 
 
 
 
 
 
 
40
-
 
 
 
 
 
 
 
 
 

A: Space vehicle identification number.
B: The period when the satellite was in view. Each of these measurement blocks is a series of measurements longer than 60 minutes, containing no breaks of more than 60 seconds.
C: Time at the start of the block (UTC).
D: Time at the end of the block (UTC).
E: Number of 1 second pseudorange measurements in the block.
F: Average value of local reference minus GPS satellite time during the block (A constant offset over the course of a day is to be expected).
G: Average value of local reference minus space vehicle time during the block, in nanoseconds.
H: Standard deviation of G during the block, in nanoseconds.
I: Number of measurements more than 4 standard deviations from the average.
J: Number of measurements more than 500 ns from the average.
K: Number of non-zero health flags in the block.