GPS Space Vehicle Time Integrity for MJD 51837

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
08:35
14:19
 20,625
 -2,094
  -151,612
15
0
0
0
 
2
1
14:19
20:08
 20,955
 -2,101
   284,186
41
0
0
0
 
3
1
05:42
11:44
 21,726
 -2,105
   -52,390
38
0
0
0
 
4
1
13:45
22:41
 32,181
 -2,107
  -510,516
252
0
0
0
 
5
5
1
2
00:00
18:41
04:21
23:59
 15,692
 19,122
 -2,111
 -2,113
  -271,739
  -271,835
6
16
11
10
0
0
0
0
 
6
6
6
1
2
3
00:00
04:22
21:28
04:14
05:42
23:59
 15,252
  4,773
  9,074
 -2,123
 -2,093
 -2,131
    -2,117
    -2,088
    -2,137
8
7
6
93
10
27
0
0
0
0
0
0
 
7
1
12:33
21:28
 32,065
 -2,112
  -240,587
448
0
11218
0
 
8
8
1
2
12:33
14:19
13:44
18:27
  4,243
 14,880
 -2,141
 -2,115
  -602,052
  -602,367
38
118
0
0
0
0
0
0
 
9
9
1
2
00:00
18:26
02:48
23:59
 10,105
 20,001
 -2,115
 -2,116
    11,255
    11,377
9
9
1
0
0
0
0
0
 
10
1
16:58
22:51
 21,185
 -2,112
   -60,482
16
23
0
0
 
11
1
08:35
14:59
 23,059
 -2,101
    -2,416
25
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
09:45
18:45
 32,342
 -2,098
    -2,140
27
0
0
0
 
14
-
 
 
 
 
 
 
 
 
 
15
15
1
2
01:50
06:32
05:51
08:34
 14,464
  7,328
 -2,109
 -2,063
    -7,857
    -7,868
17
6
0
12
0
0
0
0
 
16
-
 
 
 
 
 
 
 
 
 
17
1
00:00
05:04
 18,290
 -2,104
   276,997
15
1
0
0
 
18
-
 
 
 
 
 
 
 
 
 
19
19
19
1
2
3
10:16
11:45
15:00
11:19
14:19
16:05
  3,729
  9,214
  3,903
 -2,114
 -2,127
 -2,077
  -327,528
  -327,630
  -327,680
18
31
6
0
0
0
0
0
0
0
0
0
 
20
20
1
2
07:25
13:44
13:10
16:57
 20,725
 11,538
 -2,095
 -2,113
    48,911
    48,882
9
11
3
0
0
0
0
0
 
21
21
1
2
02:49
05:05
04:21
07:24
  5,567
  8,337
 -2,102
 -2,098
   -19,603
   -19,604
7
5
0
10
0
0
0
0
 
22
1
04:15
09:55
 20,417
 -2,108
  -367,677
147
0
0
0
 
23
23
1
2
00:00
21:28
06:36
23:59
 23,761
  9,076
 -2,113
 -2,131
    -3,535
    -3,588
9
11
89
22
0
0
0
0
 
24
24
1
2
16:06
22:42
21:28
23:59
 19,315
  4,675
 -2,104
 -2,134
   -12,303
   -12,371
18
5
0
4
0
0
0
0
 
25
1
02:49
11:19
 30,595
 -2,106
   -11,095
6
85
0
0
 
26
26
1
2
00:00
19:06
01:01
23:59
  3,658
 17,635
 -2,127
 -2,120
    -3,876
    -6,777
55
211
1
0
1
0
0
0
 
27
27
1
2
11:19
13:11
12:33
17:01
  4,402
 13,826
 -2,133
 -2,110
   -36,789
   -36,784
8
10
2
0
0
0
0
0
 
28
28
1
2
05:42
11:19
09:15
12:33
 12,774
  4,401
 -2,100
 -2,146
    11,414
    11,256
35
12
0
0
0
0
0
0
 
29
29
1
2
00:43
05:52
05:42
09:15
 17,908
 12,196
 -2,110
 -2,099
  -171,398
  -171,882
161
100
0
0
0
0
0
0
 
30
30
30
1
2
3
00:00
04:22
20:18
02:48
05:51
23:59
 10,092
  5,346
 13,317
 -2,120
 -2,121
 -2,129
    40,755
    40,778
    40,868
6
6
7
5
2
15
0
0
0
0
0
0
 
31
31
1
2
07:25
09:16
08:34
13:10
  4,173
 14,057
 -2,070
 -2,124
   -17,493
   -17,563
13
21
0
0
0
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.