GPS Space Vehicle Time Integrity for MJD 51809

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
10:35
16:07
 19,553
 -2,023
  -147,407
11
0
0
0
 
2
1
16:15
22:03
 20,853
 -2,031
   271,451
29
19
0
0
 
3
1
07:37
13:39
 21,726
 -2,032
   -44,300
39
0
0
0
 
4
1
15:42
23:59
 29,847
 -2,031
  -443,118
278
0
0
0
 
5
5
1
2
00:00
20:38
06:19
23:59
 22,751
 12,060
 -2,027
 -2,043
  -267,877
  -268,002
8
17
3
53
0
0
0
0
 
6
6
1
2
00:00
06:20
06:10
07:36
 22,220
  4,601
 -2,029
 -2,020
    -2,035
    -2,026
7
5
3
8
0
0
0
0
 
7
1
14:28
23:24
 32,190
 -2,027
  -113,325
545
0
15077
0
 
8
8
1
2
14:28
16:14
15:41
20:22
  4,379
 14,857
 -2,016
 -2,021
  -525,013
  -525,418
46
147
0
0
0
0
0
0
 
9
9
1
2
00:00
20:27
04:43
23:59
 16,967
 12,741
 -2,034
 -2,037
     7,049
     7,171
17
13
1
0
0
0
0
0
 
10
1
18:51
23:59
 18,507
 -2,045
   -59,108
10
0
0
0
 
11
1
11:01
16:56
 21,272
 -2,023
  -608,563
128
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
12:26
15:03
15:02
21:39
  9,328
 23,796
 -2,033
 -2,022
   828,407
   828,401
9
19
2
0
0
0
0
0
 
14
-
 
 
 
 
 
 
 
 
 
15
15
1
2
04:01
10:58
10:44
12:25
 24,197
  5,182
 -2,010
 -1,998
  -864,009
  -864,064
33
32
0
0
0
0
0
0
 
16
-
 
 
 
 
 
 
 
 
 
17
1
01:11
06:58
 20,832
 -2,024
   272,649
20
42
0
0
 
18
-
 
 
 
 
 
 
 
 
 
19
19
1
2
12:02
13:40
13:19
16:14
  4,635
  9,238
 -2,050
 -2,034
  -300,536
  -300,612
18
27
0
0
0
0
0
0
 
20
1
09:04
18:50
 35,169
 -2,018
    52,668
30
0
0
0
 
21
1
04:43
10:11
 19,614
 -2,019
   -18,232
5
14
0
0
 
22
22
1
2
06:11
10:58
10:44
12:01
 16,385
  3,764
 -2,015
 -2,046
  -303,669
  -304,007
138
41
0
0
0
0
0
0
 
23
1
00:00
08:31
 30,673
 -2,038
   -17,790
7
100
0
0
 
24
24
1
2
00:00
16:56
02:38
23:59
  9,474
 25,381
 -2,039
 -2,036
    -4,756
    -4,963
9
37
1
0
0
0
0
0
 
25
25
1
2
04:43
06:19
06:10
13:08
  5,212
 24,422
 -2,022
 -2,032
   -10,419
   -10,433
10
12
0
0
0
0
0
0
 
26
26
1
2
00:00
21:40
02:58
23:59
 10,702
  8,361
 -2,037
 -2,046
  -559,935
  -560,240
11
10
1
0
0
0
0
0
 
27
27
1
2
13:20
15:42
14:27
19:03
  4,028
 12,078
 -2,045
 -2,029
   -33,627
   -33,624
18
9
0
0
0
0
0
0
 
28
28
1
2
07:37
13:20
10:58
14:27
 12,056
  4,034
 -2,012
 -2,049
    31,574
    31,376
39
12
1
0
0
0
0
0
 
29
29
1
2
02:38
08:30
07:36
10:33
 17,872
  7,391
 -2,031
 -2,019
   -91,315
   -91,854
178
71
0
0
0
0
0
0
 
30
30
1
2
00:47
22:16
04:43
23:24
 14,142
  4,115
 -2,035
 -2,050
    36,653
    36,767
15
10
0
37
0
0
0
0
 
31
1
10:53
15:02
 14,721
 -2,018
   -14,137
13
20
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.