GPS Space Vehicle Time Integrity for MJD 51930

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
03:46
10:37
 24,660
160,587
    -1,051
187
0
20
0
2
1
09:56
15:38
 20,512
161,195
   489,887
176
0
1
0
3
3
1
2
00:00
22:17
04:07
23:59
 14,824
  6,168
160,046
161,999
    82,961
    84,661
86
80
1
0
1
0
0
0
4
4
1
2
06:18
15:02
10:36
18:28
 15,443
 12,368
160,695
161,514
  -495,455
  -494,984
106
58
0
0
0
0
0
0
5
1
14:04
21:20
 26,177
161,634
  -121,440
173
0
0
0
6
1
16:37
23:45
 25,711
161,824
   162,085
140
0
0
0
7
7
1
2
04:34
11:47
06:59
16:36
  8,723
 17,312
160,336
161,310
  -354,137
  -353,799
52
61
0
0
0
0
0
0
8
1
07:33
14:34
 25,262
161,009
  -605,212
117
0
0
0
9
1
13:01
19:27
 23,146
161,509
   189,167
206
0
63
0
10
10
1
2
09:56
18:53
14:10
21:39
 15,217
  9,945
161,102
161,764
    98,072
    98,717
119
60
0
0
0
0
0
0
11
1
01:30
06:47
 19,042
160,260
   159,340
205
0
0
0
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
04:44
07:33
06:59
12:03
  8,125
 16,207
160,429
160,871
   160,447
   160,890
111
110
0
0
0
0
0
0
14
14
1
2
00:00
15:33
03:46
18:52
 13,517
 11,974
159,968
161,538
   248,611
   250,150
95
95
1
1
1
0
0
0
15
15
15
1
2
3
00:00
01:45
20:02
01:29
03:17
23:59
  5,360
  5,543
 14,276
159,894
159,991
161,984
   118,868
   118,936
   120,625
49
55
106
0
1
0
0
1
0
0
0
0
16
-
 
 
 
 
 
 
 
 
 
17
1
18:39
23:59
 19,139
161,926
   456,443
123
0
0
0
18
-
 
 
 
 
 
 
 
 
 
19
1
05:31
11:34
 21,783
160,744
  -248,438
129
0
0
0
20
1
02:32
08:02
 19,804
160,378
   213,974
222
0
0
0
21
21
1
2
00:00
22:35
03:51
23:59
 13,882
  5,057
159,995
162,080
   160,020
   162,083
65
71
1
0
1
0
0
0
22
22
22
1
2
3
00:00
06:50
22:23
01:29
08:02
23:59
  5,358
  4,331
  5,803
159,863
160,522
162,072
  -353,795
  -353,451
  -352,644
46
53
48
1
1
0
0
1
0
0
0
0
23
23
23
23
1
2
3
4
00:00
13:44
20:36
22:25
01:44
15:08
22:22
23:59
  6,258
  5,096
  6,395
  5,654
159,838
161,239
161,918
162,090
   153,359
   154,731
   155,396
   155,565
48
54
83
50
1
1
0
0
1
1
0
0
0
0
0
0
24
24
1
2
08:03
15:38
09:55
19:55
  6,745
 15,387
160,740
161,629
   137,553
   138,355
84
88
0
0
0
0
0
0
25
25
1
2
03:18
18:53
06:47
22:16
 12,523
 12,184
160,297
161,807
   149,406
   150,912
108
81
1
0
1
0
0
0
26
1
11:33
16:59
 19,577
161,335
  -106,197
65
0
0
0
27
1
06:48
12:54
 21,962
160,880
   151,953
162
0
0
0
28
28
28
1
2
3
01:30
08:03
22:17
02:32
09:55
23:59
  3,731
  6,740
  6,166
159,947
160,724
161,993
   143,299
   144,052
   145,278
50
68
78
1
1
0
1
1
0
0
0
0
29
29
1
2
00:24
17:00
04:50
18:57
 15,920
  7,039
160,065
161,581
  -225,510
  -225,222
58
40
1
0
0
0
0
0
30
30
1
2
15:34
18:58
18:52
22:22
 11,931
 12,245
161,587
161,886
   166,203
   166,522
138
53
0
0
0
0
0
0
31
1
00:24
05:20
 17,756
160,106
   132,854
154
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.