GPS Space Vehicle Time Integrity for MJD 53688

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

ABCDEFGHIJK
PRNBlock
no.		StartEndMeasure-
ments		UTC(SG)
-GPSSV (ns)		UTC(SG)
-SV (ns)		Std.Dev.
(ns)		Outliers
> 4 s		Outliers
> 500 ns		Health 
1
1
1
2
00:00
22:27
04:33
23:59
 16,398
  5,553
   -16
   -39
   -18,885
   -19,065
40
34
1
0
0
0
0
0
 
2
1
08:39
18:00
 33,678
   -20
    26,157
36
0
0
0
 
3
1
00:00
05:23
 19,366
   -12
   -50,675
43
1
0
0
 
4
1
07:29
15:43
 29,514
   -19
   -50,228
125
0
0
0
 
5
1
12:19
21:48
 34,186
   -18
  -300,179
477
0
13026
0
 
6
6
1
2
15:08
21:49
21:45
23:59
 23,839
  7,844
   -23
   -25
  -840,752
  -840,685
47
38
0
0
0
0
0
0
 
7
1
05:46
15:07
 33,680
   -18
  -411,068
133
0
0
0
 
8
1
06:45
12:00
 18,874
   -18
    47,065
37
0
0
0
 
9
-
 
 
 
 
 
 
 
 
 
10
1
10:18
16:27
 22,107
   -17
   -73,580
36
0
0
0
 
11
1
03:06
08:38
 19,939
   -19
  -282,638
45
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
03:42
08:39
07:29
12:36
 13,594
 14,216
   -21
   -19
   -23,612
   -23,646
38
38
0
0
0
0
0
0
 
14
14
1
2
00:00
17:43
03:05
23:59
 11,128
 22,611
   -19
   -23
    23,706
    23,666
36
39
0
0
0
0
0
0
 
15
1
18:01
23:51
 20,996
   -27
  -519,594
52
0
0
0
 
16
16
1
2
00:00
21:45
03:41
23:59
 13,292
  8,043
   -19
   -22
   -14,270
   -14,367
38
36
0
0
0
0
0
0
 
17
-
 
 
 
 
 
 
 
 
 
18
1
15:05
23:57
 31,869
   -22
   201,939
44
4
0
0
 
19
1
00:44
06:44
 21,603
   -19
    26,117
38
0
0
0
 
20
1
00:31
10:18
 35,174
   -16
    41,271
40
0
0
0
 
21
1
16:39
22:26
 20,843
   -21
  -147,712
46
0
0
0
 
22
22
1
2
00:00
19:13
01:31
23:59
  5,485
 17,217
   -21
   -19
   -51,760
   -51,862
39
39
0
0
0
0
0
0
 
23
1
01:51
07:29
 20,258
   -16
  -164,055
40
0
0
0
 
24
24
1
2
05:20
10:18
10:01
11:20
 16,833
  3,679
   -16
   -22
   -62,004
   -62,043
41
36
0
0
0
0
0
0
 
25
25
1
2
00:00
21:46
05:09
23:59
 18,546
  8,037
   -25
   -24
    -3,580
    -3,653
38
36
0
0
0
0
0
0
 
26
1
12:37
18:10
 19,991
   -18
    17,030
46
0
0
0
 
27
1
04:47
10:18
 19,856
   -15
   -23,165
39
0
0
0
 
28
28
1
2
07:29
10:01
08:38
13:09
  4,151
 11,250
   -17
   -15
   -38,764
   -38,745
40
37
0
0
0
0
0
0
 
29
1
11:51
17:42
 21,069
   -17
  -414,600
123
0
0
0
 
30
30
1
2
13:46
15:43
15:05
21:45
  4,697
 21,691
   -10
   -21
  -441,908
  -442,067
34
72
0
0
0
0
0
0
 
31
-
 
 
 
 
 
 
 
 
 
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(SG) 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(SG) 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.