GPS Space Vehicle Time Integrity for MJD 52912

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
06:56
12:55
 21,574
    -4
  -307,466
39
0
0
0
 
2
1
03:46
12:04
 29,885
    -6
   194,833
66
0
0
0
 
3
1
04:31
10:30
 21,569
     4
   -48,762
46
0
0
0
 
4
4
1
2
12:05
17:16
17:03
20:17
 17,891
 10,862
    -1
   -17
   -26,736
   -26,692
39
40
0
0
0
0
0
0
 
5
-
 
 
 
 
 
 
 
 
 
6
6
1
2
00:00
20:17
05:19
23:59
 19,154
 13,323
   -11
   -10
      139
      148
39
38
0
0
0
0
0
0
 
7
1
10:31
19:58
 34,018
   -12
  -630,760
71
0
0
0
 
8
1
11:54
17:03
 18,557
    -5
  -422,069
38
0
0
0
 
9
9
1
2
00:00
17:04
01:17
23:59
  4,636
 24,951
   -13
   -13
     9,353
     9,484
37
39
0
0
0
0
0
0
 
10
1
15:20
21:31
 22,203
   -13
   -32,141
41
0
0
0
 
11
1
07:13
13:47
 23,623
    -2
   -69,144
51
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
08:07
17:15
 32,864
     4
    31,414
41
0
0
0
 
14
14
1
2
00:00
22:35
08:07
23:59
 29,209
  5,052
    -7
   -16
    20,293
    20,248
38
31
0
0
0
0
0
0
 
15
1
00:00
05:52
 21,138
    -2
  -166,114
42
1
0
0
 
16
-
 
 
 
 
 
 
 
 
 
17
17
17
1
2
3
00:00
17:04
21:32
01:41
20:17
23:59
  6,039
 11,552
  8,875
   -14
    -4
   -21
  -195,529
  -193,496
  -193,048
70
103
90
1
0
0
1
0
0
0
0
0
 
18
18
1
2
00:00
20:17
05:14
23:59
 18,867
 13,287
    -9
   -21
    -9,038
    -8,980
40
38
0
0
0
0
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
1
05:28
15:14
 35,171
     3
   209,174
41
0
0
0
 
21
1
00:00
03:45
 13,533
   -12
   -50,154
42
1
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
1
01:18
06:52
 20,029
    -9
   -37,212
38
0
0
0
 
24
1
13:48
23:14
 33,995
    -8
   -63,916
56
0
0
0
 
25
1
01:18
10:00
 31,334
    -6
   -52,684
38
0
0
0
 
26
1
18:22
23:23
 18,080
   -17
  -516,291
41
0
0
0
 
27
1
10:01
15:42
 20,476
    -4
  -693,121
183
0
0
0
 
28
1
12:56
18:21
 19,493
   -13
     6,188
40
0
0
0
 
29
1
16:40
22:35
 21,274
   -13
  -110,069
110
0
0
0
 
30
30
30
1
2
3
00:00
01:41
19:58
01:17
04:30
23:59
  4,624
 10,112
 14,441
   -14
    -6
   -15
  -526,758
  -527,010
  -529,013
53
97
134
0
1
0
0
1
0
0
0
0
 
31
1
05:51
11:53
 21,725
    -4
  -412,729
71
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(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.