GPS Space Vehicle Time Integrity for MJD 54491

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
15:28
21:10
 20,379
   -86
  -181,699
39
0
0
0
 
2
1
01:49
10:23
 30,340
   -86
  -169,335
55
4
0
0
 
3
1
16:36
22:00
 19,378
   -89
  -178,571
46
0
0
0
 
4
1
00:30
07:56
 26,586
   -84
    57,464
58
0
0
0
 
5
5
1
2
06:23
08:40
08:39
15:31
  7,982
 24,547
   -79
   -87
  -662,989
  -663,263
70
123
42
0
0
0
0
0
 
6
6
1
2
10:24
14:00
13:02
18:02
  9,445
 14,563
   -87
   -90
  -136,357
  -136,102
65
75
0
0
0
0
0
0
 
7
-
 
 
 
 
 
 
 
 
 
8
1
00:00
04:56
 17,631
   -85
   138,352
38
1
0
0
 
9
1
07:43
13:05
 19,330
   -87
  -107,581
37
0
0
0
 
10
1
03:30
08:48
 18,917
   -90
   223,515
83
0
0
0
 
11
11
1
2
00:00
19:55
01:52
22:00
  6,706
  7,469
   -81
   -92
   -27,109
   -27,123
36
38
0
0
0
0
0
0
 
12
12
12
1
2
3
05:21
07:56
12:33
07:42
12:16
14:44
  8,250
 15,603
  7,777
   -82
   -88
   -88
   355,019
   355,025
   355,036
54
40
31
4
6
0
0
0
0
0
0
0
 
13
13
1
2
01:52
20:54
05:37
22:00
 13,293
  3,938
   -89
   -90
  -236,520
  -236,663
39
42
1
0
0
0
0
0
 
14
14
1
2
10:47
15:51
15:35
19:55
 17,118
 14,553
   -87
   -91
   302,525
   302,472
54
36
28
0
0
0
0
0
 
15
1
05:40
11:12
 19,932
   -88
    72,869
37
0
0
0
 
16
1
15:02
20:54
 20,967
   -86
  -132,476
37
0
0
0
 
17
1
00:00
07:42
 27,499
   -83
   -43,784
42
12
0
0
 
18
1
12:22
17:05
 16,893
   -85
   209,213
38
0
0
0
 
19
1
17:37
22:00
 15,698
   -88
   -18,417
35
2
0
0
 
20
20
1
2
00:00
18:03
03:30
22:00
 12,595
 13,970
   -82
   -85
  -121,932
  -121,883
37
56
0
25
0
0
0
0
 
21
1
10:24
15:28
 18,193
   -82
   -73,009
36
27
0
0
 
22
1
14:44
18:42
 14,243
   -91
  -207,667
36
0
0
0
 
23
1
18:42
22:00
 11,773
   -89
  -329,459
41
0
0
0
 
24
24
1
2
08:48
11:12
10:23
13:59
  5,709
  9,987
   -88
   -91
   -65,534
   -65,569
38
36
0
0
0
0
0
0
 
25
1
00:00
01:52
  6,701
   -82
  -504,256
37
1
0
0
 
26
1
05:23
10:47
 19,417
   -83
  -166,100
68
0
0
0
 
27
1
00:00
03:51
 13,860
   -82
  -163,442
39
1
0
0
 
28
28
1
2
00:31
01:52
01:35
06:22
  3,858
 16,081
   -89
   -86
    14,137
    14,138
44
39
0
0
0
0
0
0
 
29
1
07:56
12:16
 15,602
   -80
    71,197
55
0
0
0
 







31
31
1
2
13:43
16:06
15:42
21:34
  7,057
 19,581
   -92
  -100
     6,739
     6,746
43
37
0
0
0
0
0
0







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38
-
 
 
 
 
 
 
 
 
 







39
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40
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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.