GPS Space Vehicle Time Integrity for MJD 51813

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
11:52
18:41
 24,525
213,215
    67,254
135
0
0
0
2
1
17:56
23:37
 20,456
213,654
   488,989
132
0
0
0
3
1
06:34
12:06
 19,912
212,761
   169,344
93
0
0
0
4
4
1
2
00:00
14:26
02:41
18:38
  9,655
 15,128
212,128
213,293
  -237,395
  -237,868
81
51
1
0
0
0
0
0
5
5
1
2
00:00
22:00
05:20
23:59
 19,213
  7,170
212,285
213,775
   -54,140
   -52,790
78
81
1
0
1
0
0
0
6
1
00:47
07:57
 25,808
212,411
   212,417
146
0
0
0
7
7
1
2
12:40
19:50
14:50
23:59
  7,803
 14,942
212,989
213,729
    83,243
    82,344
82
161
1
0
1
0
0
0
8
1
16:04
22:36
 23,496
213,558
  -321,762
132
0
0
0
9
9
1
2
00:00
21:04
03:32
23:59
 12,741
 10,546
212,242
213,749
   221,905
   223,545
51
124
1
0
1
0
0
0
10
10
1
2
02:52
17:32
05:30
22:03
  9,455
 16,280
212,298
213,557
   155,089
   156,318
70
110
1
0
1
0
0
0
11
1
09:45
15:31
 20,756
213,016
  -400,655
59
0
0
0
12
-
 
 
 
 
 
 
 
 
 
13
1
13:14
20:34
 26,384
213,347
  1,043,311
166
0
0
0
14
-
 
 
 
 
 
 
 
 
 
15
1
05:21
12:38
 26,246
212,738
  -650,788
97
0
0
0
16
-
 
 
 
 
 
 
 
 
 
17
17
1
2
02:38
06:35
06:33
08:47
 14,095
  7,937
212,466
212,590
   487,757
   487,900
138
47
0
0
0
0
0
0
18
-
 
 
 
 
 
 
 
 
 
19
19
1
2
13:33
15:00
14:50
19:37
  4,632
 16,639
213,095
213,396
   -89,336
   -89,169
66
38
0
4
0
0
0
0
20
1
10:27
17:31
 25,453
213,109
   266,972
170
0
0
0
21
1
06:42
11:52
 18,562
212,762
   196,337
66
0
0
0
22
22
1
2
04:47
14:51
09:44
16:04
 17,849
  4,360
212,617
213,164
   -98,636
   -98,913
88
22
0
147
0
0
0
0
23
23
1
2
04:40
21:47
09:46
23:05
 18,336
  4,707
212,610
213,645
   196,656
   197,660
102
53
1
0
1
0
0
0
24
24
1
2
00:00
16:04
03:57
17:31
 14,262
  5,188
212,196
213,284
   208,386
   209,306
60
47
1
0
1
0
0
0
25
25
1
2
03:01
10:58
06:07
14:59
 11,134
 14,495
212,384
212,970
   203,876
   204,457
100
101
0
0
0
0
0
0
26
26
1
2
00:00
19:40
01:08
23:59
  4,083
 15,552
212,095
213,739
  -347,074
  -345,694
44
122
1
0
1
0
0
0
27
27
1
2
14:51
17:31
16:04
20:57
  4,361
 12,352
213,215
213,520
   181,253
   181,527
59
46
0
0
0
0
0
0
28
28
28
1
2
3
06:22
08:47
15:32
07:57
10:32
17:55
  5,686
  6,248
  8,597
212,586
212,710
213,272
   242,980
   243,022
   243,350
60
44
37
0
1
5
0
0
0
0
0
0
29
29
1
2
00:26
07:57
03:01
12:31
  9,287
 16,410
212,128
212,791
   111,332
   110,943
63
102
1
0
0
0
0
0
30
1
00:00
06:33
 23,589
212,338
   251,620
169
0
0
0
31
1
07:57
13:15
 19,083
212,831
   200,259
113
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.