GPS Space Vehicle Time Integrity for MJD 51855

As viewed from the Singapore Productivity and Standards Board
Latitude 1.2919490 degrees, longitude 103.7855042 degrees, height 67.1 metres

ABCDEFGHIJK
PRNBlock
no.
StartEndMeasure-
ments
UTC(PSB)
-GPSSV (ns)
UTC(PSB)
-SV (ns)
Std.Dev.
(ns)
Outliers
> 4 s
Outliers
> 500 ns
Health
1
1
07:18
13:04
 20,780
 -2,149
  -153,802
24
0
0
0
2
1
13:05
18:55
 20,982
 -2,159
   292,390
29
0
0
0
3
1
04:29
10:31
 21,728
 -2,139
   -57,474
22
0
0
0
4
1
12:29
21:23
 32,063
 -2,156
  -547,795
213
0
0
0
5
5
1
2
00:00
17:25
03:05
23:59
 11,141
 23,673
 -2,155
 -2,169
  -273,539
  -273,634
8
30
1
0
0
0
0
0
6
6
6
1
2
3
00:00
03:06
20:13
02:59
04:28
23:59
 10,793
  4,918
 13,581
 -2,165
 -2,131
 -2,171
    -2,262
    -2,229
    -2,265
6
7
12
156
3
78
0
0
0
0
0
0
7
1
11:17
20:12
 32,150
 -2,147
  -311,349
408
0
9470
0
8
8
1
2
11:17
13:05
12:28
17:13
  4,307
 14,898
 -2,133
 -2,158
  -644,780
  -645,110
40
118
0
0
0
0
0
0
9
9
1
2
00:00
17:09
01:35
23:59
  5,699
 24,657
 -2,149
 -2,168
    14,061
    14,182
13
11
1
0
0
0
0
0
10
1
15:45
21:38
 21,238
 -2,165
   -61,397
10
0
0
0
11
1
07:00
13:44
 24,239
 -2,138
    -2,647
9
0
0
0
12
-
 
 
 
 
 
 
 
 
 
13
1
08:27
17:32
 32,716
 -2,156
    -2,311
19
0
0
0
14
-
 
 
 
 
 
 
 
 
 
15
15
1
2
00:26
05:16
04:35
07:00
 14,957
  6,233
 -2,150
 -2,159
   -14,689
   -14,755
15
11
0
0
0
0
0
0
16
-
 
 
 
 
 
 
 
 
 
17
17
1
2
00:00
22:00
03:52
23:59
 13,901
  7,122
 -2,146
 -2,181
   279,840
   279,924
13
12
1
40
0
0
0
0
18
-
 
 
 
 
 
 
 
 
 
19
19
19
1
2
3
08:54
10:31
13:45
10:01
13:04
14:51
  4,014
  9,186
  3,962
 -2,141
 -2,161
 -2,175
  -344,853
  -344,977
  -345,098
18
34
20
0
0
0
0
0
0
0
0
0
20
20
1
2
06:13
12:29
11:58
15:44
 20,741
 11,691
 -2,146
 -2,153
    48,282
    48,272
19
7
0
2
0
0
0
0
21
21
1
2
01:36
03:06
02:59
06:12
  5,039
 11,175
 -2,132
 -2,138
   -20,434
   -20,439
7
4
0
20
0
0
0
0
22
1
03:00
08:49
 20,932
 -2,137
  -403,810
135
0
0
0
23
23
1
2
00:00
20:13
05:22
23:59
 19,329
 13,580
 -2,152
 -2,167
    -4,700
    -4,767
7
16
19
0
0
0
0
0
24
1
14:51
23:24
 30,783
 -2,177
    -7,216
40
0
0
0
25
1
01:35
10:01
 30,337
 -2,142
   -11,537
9
29
0
0
26
1
17:51
23:41
 21,048
 -2,171
   -64,659
234
0
0
0
27
27
1
2
10:02
11:59
11:16
15:45
  4,455
 13,535
 -2,137
 -2,156
    -3,560
    -3,597
10
16
0
0
0
0
0
0
28
28
1
2
04:29
10:02
08:07
11:16
 13,103
  4,457
 -2,137
 -2,159
     1,558
     1,449
20
18
1
0
0
0
0
0
29
29
1
2
00:00
04:36
04:28
08:07
 16,096
 12,653
 -2,147
 -2,146
  -219,005
  -219,444
129
110
0
1
0
1
0
0
30
30
30
1
2
3
00:00
19:01
21:24
01:35
20:12
23:59
  5,698
  4,275
  9,333
 -2,166
 -2,141
 -2,191
    43,266
    43,394
    43,363
7
10
6
0
29
8
0
0
0
0
0
0
31
1
08:08
11:58
 13,852
 -2,150
   -19,848
11
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 UTC(PSB) minus GPS satellite time during the block (A constant offset over the course of a day is to be expected).
G: Average value of UTC(PSB) 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.