GPS Space Vehicle Time Integrity for MJD 54175

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
13:36
16:18
15:22
19:32
  6,334
 11,651
    18
    12
  -114,083
  -114,120
35
34
0
0
0
0
0
0
 
2
1
00:00
08:30
 30,655
     7
   -90,690
43
0
0
0
 
3
1
14:57
20:06
 18,570
    12
   -28,655
46
0
0
0
 
4
4
1
2
00:00
21:54
05:39
23:59
 20,347
  7,548
     7
     6
    -7,953
    -8,044
35
29
0
0
0
0
0
0
 
5
5
1
2
03:51
08:32
08:30
12:53
 16,771
 15,512
    13
    13
   -42,747
   -42,737
34
29
0
0
0
0
0
0
 
6
1
05:40
10:19
 16,632
     8
   -89,874
105
0
0
0
 
7
7
1
2
06:39
11:43
10:58
15:22
 15,470
 13,119
    14
    10
  -382,291
  -382,058
68
59
0
0
0
0
0
0
 
8
8
1
2
00:00
21:54
02:27
23:59
  8,843
  7,546
     9
     4
   100,156
   100,261
34
29
1
0
0
0
0
0
 
9
1
05:23
10:38
 18,830
    11
   -61,792
32
0
0
0
 
10
1
00:58
05:39
 16,844
    11
   -98,870
34
0
0
0
 
11
1
17:32
23:30
 21,457
     4
   -10,398
32
8
0
0
 
12
12
1
2
02:57
08:35
05:22
12:22
  8,717
 13,540
     6
    11
    44,951
    44,928
36
30
0
0
0
0
0
0
 
13
13
1
2
00:00
17:59
03:13
23:59
 11,618
 21,612
     7
     2
  -153,444
  -153,718
35
39
1
0
0
0
0
0
 
14
14
1
2
08:38
10:19
10:10
17:31
  5,399
 25,911
    20
    12
   -11,856
   -11,888
23
35
65
0
0
0
0
0
 
15
-
 
 
 
 
 
 
 
 
 
16
1
12:23
17:59
 20,146
     9
  -131,359
38
0
0
0
 
17
17
1
2
00:00
20:07
05:22
23:59
 19,329
 13,942
     5
    -0
   -75,150
   -75,060
35
31
0
0
0
0
0
0
 
18
1
10:10
14:56
 17,140
    13
   252,972
32
0
0
0
 
19
1
15:22
21:12
 20,981
     6
   -15,228
40
0
0
0
 
20
1
15:22
23:59
 31,030
     7
    22,938
30
0
0
0
 
21
1
08:02
13:20
 18,963
    12
   -73,532
30
0
0
0
 
22
1
12:23
16:17
 14,074
    11
  -172,303
34
0
0
0
 
23
1
17:32
21:53
 15,683
     7
  -154,739
32
0
0
0
 
24
1
06:39
11:42
 18,114
    14
   -85,297
31
0
0
0
 
25
25
1
2
13:00
19:17
17:31
21:53
 16,293
  9,384
    12
     3
  -295,084
  -294,666
106
67
0
0
0
0
0
0
 
26
1
03:14
08:02
 17,258
     8
    91,296
100
0
0
0
 
27
27
1
2
00:00
19:33
01:25
23:59
  5,113
 16,002
     3
     9
   -99,507
   -99,675
36
30
0
2
0
0
0
0
 
28
28
1
2
00:00
21:44
03:50
23:59
 13,831
  8,060
     9
     7
    -5,288
    -5,227
32
30
0
0
0
0
0
0
 
29
1
02:38
08:02
 19,397
    13
     -346
32
0
0
0
 
30
1
05:23
06:38
  2,392
    14
   -28,156
25
31
0
0
 
31
31
1
2
10:39
13:36
13:20
19:16
  9,687
 20,391
    14
     2
   -15,685
   -15,731
35
35
0
0
0
0
0
0
 
32
-
 
 
 
 
 
 
 
 
 
33
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34
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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.