GPS Space Vehicle Time Integrity for MJD 51923

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
04:09
11:06
 25,032
142,827
   -17,836
81
0
0
0
2
1
10:25
16:07
 20,474
143,114
   468,636
106
0
0
0
3
3
1
2
00:00
22:46
04:35
23:59
 16,537
  4,436
142,558
143,634
    67,489
    68,301
67
64
2
0
1
0
0
0
4
4
1
2
06:47
15:31
11:04
18:57
 15,434
 12,388
142,868
143,278
  -505,934
  -505,902
55
48
0
0
0
0
0
0
5
1
14:32
21:48
 26,179
143,375
  -138,641
125
0
0
0
6
1
17:05
23:59
 24,842
143,523
   143,806
113
0
0
0
7
7
1
2
05:03
12:16
07:28
17:05
  8,725
 17,313
142,690
143,162
  -358,465
  -358,691
45
74
1
0
0
0
0
0
8
1
08:01
15:03
 25,294
143,015
  -615,432
64
0
0
0
9
1
13:29
19:55
 23,179
143,293
   169,953
153
0
0
0
10
10
1
2
10:25
19:22
14:38
22:06
 15,187
  9,883
143,044
143,445
    80,379
    80,763
67
61
1
0
0
0
0
0
11
1
01:58
07:16
 19,063
142,695
   141,838
126
0
0
0
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
05:13
08:01
07:28
12:32
  8,120
 16,235
142,771
142,944
   142,727
   142,902
71
48
0
0
0
0
0
0
14
14
1
2
00:20
15:56
04:09
19:21
 13,687
 12,317
142,502
143,300
   231,757
   232,482
60
73
1
0
1
0
0
0
15
15
15
1
2
3
00:00
02:13
20:34
01:58
03:51
23:59
  7,074
  5,870
 12,325
142,468
142,507
143,619
   104,105
   104,112
   104,923
41
36
97
0
1
0
0
1
0
0
0
0
16
-
 
 
 
 
 
 
 
 
 
17
1
19:07
22:52
 13,507
143,582
   436,852
105
0
0
0
18
-
 
 
 
 
 
 
 
 
 
19
1
06:00
12:03
 21,789
142,909
  -259,859
73
0
0
0
20
1
03:01
08:31
 19,794
142,752
   195,732
127
0
0
0
21
21
1
2
00:00
22:24
04:20
23:59
 15,617
  5,711
142,532
143,670
   121,522
   122,615
46
86
4
0
1
0
0
0
22
22
22
1
2
3
00:00
07:19
22:48
01:58
08:31
23:59
  7,074
  4,307
  4,268
142,439
142,753
143,722
  -363,175
  -363,198
  -362,994
50
43
42
0
0
0
0
0
0
0
0
0
23
23
23
23
1
2
3
4
00:00
14:13
21:04
22:53
02:13
15:37
22:48
23:59
  7,984
  5,065
  6,195
  3,996
142,431
143,087
143,577
143,741
   136,314
   136,939
   137,423
   137,583
44
50
81
44
1
1
0
0
1
0
0
0
0
0
0
0
24
24
1
2
08:32
16:07
10:24
20:23
  6,741
 15,372
142,874
143,361
   121,327
   121,725
51
68
0
0
0
0
0
0
25
25
1
2
03:52
19:22
07:16
22:45
 12,243
 12,196
142,683
143,495
   131,922
   132,712
49
69
1
0
1
0
0
0
26
1
12:02
17:28
 19,571
143,189
  -107,575
87
0
0
0
27
1
07:17
13:22
 21,903
142,950
   134,709
67
0
0
0
28
28
28
1
2
3
01:58
08:31
22:46
03:00
10:24
23:59
  3,725
  6,752
  4,431
142,498
142,866
143,631
   126,475
   126,822
   127,538
36
46
65
1
1
0
0
1
0
0
0
0
29
29
1
2
00:54
17:29
05:17
19:26
 15,793
  7,035
142,578
143,321
  -229,339
  -229,869
78
43
1
0
1
0
0
0
30
30
1
2
16:01
19:27
19:21
22:48
 12,005
 12,046
143,349
143,573
   147,038
   147,281
114
52
0
0
0
0
0
0
31
1
00:54
05:49
 17,742
142,605
   116,303
98
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.