GPS Space Vehicle Time Integrity for MJD 54456

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
17:38
22:00
 15,519
    -8
  -174,220
30
14
0
0
 
2
1
04:13
12:58
 31,392
    -6
  -160,281
48
5
0
0
 
3
1
18:46
22:00
 11,422
    -7
  -162,028
33
2
0
0
 
4
1
02:56
10:32
 27,345
    -5
    40,343
49
55
0
0
 
5
5
1
2
09:42
11:08
11:03
18:11
  4,410
 25,148
    13
    -5
  -609,584
  -609,903
75
149
25
0
0
0
0
0
 
6
6
6
1
2
3
10:34
16:34
17:56
15:22
17:38
19:40
 17,009
  3,840
  6,247
    -1
    -3
   -13
  -181,216
  -181,024
  -180,953
83
29
33
0
3
6
0
0
0
0
0
0
 
7
-
 
 
 
 
 
 
 
 
 
8
1
04:13
07:20
 11,191
     2
   134,283
23
252
0
0
 
9
1
10:05
15:39
 20,059
    -4
  -102,171
33
0
0
0
 
10
1
05:54
11:12
 19,062
     0
   181,587
68
0
0
0
 
11
1
00:00
04:13
 15,192
    -3
   -26,708
25
66
0
0
 
12
12
1
2
07:43
10:34
10:24
17:08
  9,408
 23,588
   -10
    -6
   352,108
   352,131
59
32
23
123
0
0
0
0
 
13
13
1
2
00:00
04:14
04:12
07:57
 15,115
 13,422
    -3
    -6
  -229,418
  -229,454
35
23
37
202
0
0
0
0
 
14
14
1
2
14:07
18:11
18:08
22:00
 14,306
 13,522
    -7
   -11
   311,251
   311,208
44
28
33
10
0
0
0
0
 
15
1
08:05
12:58
 17,567
    -1
    70,887
31
19
0
0
 
16
1
17:20
23:10
 20,826
    -7
  -129,762
28
52
0
0
 
17
1
00:54
10:04
 32,794
    -3
   -46,056
37
200
0
0
 
18
1
13:38
19:29
 21,031
    -6
   217,554
32
59
0
0
 
19
19
1
2
00:00
20:01
02:04
22:00
  7,466
  7,112
    -1
    -7
   -13,180
   -13,315
26
30
17
31
0
0
0
0
 
20
20
1
2
00:00
20:03
05:53
22:00
 21,204
  6,755
    -7
    -4
  -124,056
  -124,009
24
54
192
7
0
0
0
0
 
21
1
13:14
17:55
 16,898
    -4
   -74,868
28
14
0
0
 
22
1
17:09
21:05
 13,963
    -9
  -205,624
27
23
0
0
 
23
1
00:00
02:55
 10,535
    -5
  -319,925
30
10
0
0
 
24
1
11:12
16:33
 19,228
    -5
   -56,061
34
8
0
0
 
25
1
00:00
05:35
 20,117
    -5
  -493,341
36
14
0
0
 
26
1
07:50
13:13
 19,405
    -1
  -133,243
70
0
0
0
 
27
1
00:21
05:27
 18,382
    -0
  -155,739
30
39
0
0
 
28
28
1
2
02:56
05:28
04:12
08:44
  4,574
 11,759
    -5
     0
    12,431
    12,444
34
24
13
149
0
0
0
0
 
29
-
 
 
 
 
 
 
 
 
 







31
31
1
2
15:22
18:58
18:11
22:00
  9,893
 10,722
    -6
   -16
     2,396
     2,406
40
28
27
19
0
0
0
0







32
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33
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34
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35
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36
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37
-
 
 
 
 
 
 
 
 
 







38
-
 
 
 
 
 
 
 
 
 







39
-
 
 
 
 
 
 
 
 
 







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.