GPS Space Vehicle Time Integrity for MJD 52721

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
19:52
01:56
23:59
  6,969
 14,855
    61
    58
  -276,778
  -276,917
36
34
0
0
0
0
0
0
 
2
2
1
2
00:00
17:29
01:19
23:59
  4,784
 23,457
    79
    52
    85,082
    85,527
40
55
1
0
0
0
0
0
 
3
1
17:29
23:33
 21,857
    53
  -115,472
38
0
0
0
 
4
1
01:20
08:53
 27,204
    70
   -36,269
38
0
0
0
 
5
1
06:19
15:57
 34,666
    75
    -7,241
37
0
0
0
 
6
6
6
1
2
3
09:06
14:19
15:57
14:00
15:48
17:50
 17,644
  5,305
  6,735
    78
    69
    61
     3,391
     3,384
     3,377
35
36
36
0
0
0
0
0
0
0
0
0
 
7
1
00:00
09:05
 32,749
    72
  -385,881
235
1
2
0
 
8
1
00:49
05:54
 18,316
    70
  -262,585
91
0
0
0
 
9
1
08:54
14:19
 19,475
    81
    36,416
36
0
0
0
 
10
1
04:32
10:14
 20,523
    76
   -22,136
33
0
0
0
 
11
11
1
2
00:00
21:00
02:49
23:59
 10,186
 10,767
    67
    51
   -39,867
   -39,999
36
32
0
0
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
00:00
21:52
06:48
23:59
 24,483
  7,641
    72
    50
    24,918
    24,937
37
32
0
0
0
0
0
0
 
14
1
11:54
20:59
 32,711
    68
    23,925
41
0
0
0
 
15
1
12:21
18:13
 21,148
    70
   -87,340
54
0
0
0
 
16
1
15:48
21:51
 21,785
    57
    41,408
88
0
0
0
 
17
1
11:02
15:57
 17,704
    70
    -4,096
38
0
0
0
 
18
1
11:54
18:31
 23,816
    70
    -5,378
42
0
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
20
20
1
2
3
00:00
01:57
18:40
01:19
04:31
23:59
  4,786
  9,272
 19,143
    65
    70
    56
   211,561
   211,573
   211,605
38
35
33
0
2
0
0
0
0
0
0
0
 
21
-
 
 
 
 
 
 
 
 
 
22
-
 
 
 
 
 
 
 
 
 
23
23
1
2
10:14
14:19
11:53
17:28
  5,941
 11,308
    85
    61
   -22,479
   -22,518
36
37
0
0
0
0
0
0
 
24
1
02:50
11:53
 32,600
    77
   -17,222
44
0
0
0
 
25
1
14:01
22:55
 32,018
    53
   -41,282
38
0
0
0
 
26
1
06:48
12:20
 19,897
    79
  -457,328
73
0
0
0
 
27
27
1
2
00:00
22:55
04:54
23:59
 17,645
  3,849
    69
    50
  -592,506
  -592,196
42
32
1
0
0
0
0
0
 
28
1
01:20
07:23
 21,779
    76
    60,579
38
0
0
0
 
29
1
05:49
11:01
 18,693
    79
  -101,335
70
0
0
0
 
30
30
30
1
2
3
09:06
11:02
15:57
10:14
14:19
17:28
  4,063
 11,823
  5,432
    94
    78
    54
  -561,285
  -561,288
  -561,291
37
36
38
0
0
0
0
0
0
0
0
0
 
31
1
18:43
23:59
 18,993
    55
   -58,431
189
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.