GPS Space Vehicle Time Integrity for MJD 55281

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
-
 
 
 
 
 
 
 
 
 
2
2
1
2
00:00
20:00
04:54
23:59
 17,653
 14,276
   -24
   -36
  -240,077
  -240,359
42
52
1
8
0
0
0
0
 
3
1
10:25
16:31
 21,976
   -18
  -533,416
54
0
0
0
 
4
4
1
2
00:00
18:20
02:09
23:59
  7,732
 20,332
   -21
   -35
   -45,223
   -45,865
41
69
0
0
0
0
0
0
 
5
5
5
1
2
3
00:00
02:18
21:29
02:09
03:48
23:59
  7,733
  5,422
  9,004
   -31
   -30
   -42
     2,673
     2,667
     2,594
38
39
44
0
0
0
0
0
0
0
0
0
 
6
1
09:47
16:03
 22,525
   -20
  -680,960
58
0
0
0
 
7
1
15:34
21:28
 21,215
   -30
    -1,228
41
0
0
0
 
8
1
17:35
22:50
 18,859
   -37
    -4,462
39
0
0
0
 
9
-
 
 
 
 
 
 
 
 
 
10
10
1
2
00:00
20:39
02:17
23:59
  8,243
 12,056
   -22
   -33
    38,694
    38,756
39
38
0
0
0
0
0
0
 
11
1
13:50
19:59
 22,130
   -20
    52,821
39
4
0
0
 
12
12
1
2
00:00
02:09
01:54
09:01
  6,838
 24,720
   -35
   -23
   134,310
   134,246
54
51
16
1
0
0
0
0
 
13
13
13
1
2
3
14:14
18:37
21:29
18:19
20:37
22:54
 14,675
  7,248
  5,138
   -22
   -39
   -41
  -305,834
  -305,849
  -305,849
44
39
37
0
0
0
0
0
0
0
0
0
 
14
1
04:49
13:50
 32,422
   -22
   -26,045
56
0
0
0
 
15
1
00:14
05:09
 17,693
   -32
   294,227
42
0
0
0
 
16
1
08:36
14:13
 20,247
   -21
    55,013
39
0
0
0
 
17
17
1
2
00:00
16:32
01:54
23:59
  6,872
 26,794
   -30
   -29
  -139,707
  -139,904
37
56
1
0
0
0
0
0
 
18
18
1
2
02:21
05:10
04:24
11:05
  7,202
 21,341
   -20
   -22
   -57,652
   -57,697
54
40
7
0
0
0
0
0
 
19
1
11:38
17:35
 21,377
   -16
    23,900
40
0
0
0
 
20
20
20
1
2
3
12:32
16:04
19:39
15:33
18:36
21:28
 10,843
  9,142
  6,532
   -18
   -17
   -35
   -58,857
   -58,848
   -58,857
52
42
39
1
0
0
0
0
0
0
0
0
 
21
1
04:24
10:04
 20,375
   -19
    49,167
45
0
0
0
 
22
1
07:48
12:31
 16,995
   -20
  -176,055
40
0
0
0
 
23
1
13:50
18:36
 17,131
   -23
  -376,248
43
4
0
0
 
24
1
06:42
07:57
  4,489
   -20
  -273,713
34
0
0
0
 
25
-
 
 
 
 
 
 
 
 
 
26
1
02:09
07:46
 20,180
   -31
    31,949
49
28
0
0
 
27
27
27
1
2
3
00:00
02:21
22:50
02:17
06:42
23:59
  8,198
 15,621
  4,072
   -28
   -22
   -32
  -137,367
  -137,401
  -137,647
47
42
50
2
1
0
0
0
0
0
0
0
 
28
1
18:20
23:59
 20,341
   -33
    19,729
40
1
0
0
 
29
1
01:55
07:02
 18,412
   -25
  -107,777
43
1
0
0
 
30
30
1
2
05:09
07:54
06:42
09:01
  5,538
  4,012
   -14
   -32
  -227,929
  -227,979
41
39
0
0
0
0
0
0
 
31
31
31
1
2
3
06:42
08:36
10:04
07:54
10:00
15:33
  4,285
  5,022
 19,716
   -16
   -25
   -29
    45,522
    45,499
    45,471
47
39
40
0
3
0
0
0
0
0
0
0
 
32
32
32
1
2
3
10:27
15:34
18:37
13:50
18:19
19:38
 12,072
  9,844
  3,708
   -22
   -17
   -37
   -65,829
   -65,676
   -65,628
53
44
41
5
0
0
0
0
0
0
0
0
 
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.