GPS Space Vehicle Time Integrity for MJD 53784

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
15:58
21:57
 21,532
   -78
   -37,463
25
190
0
0
2
1
02:02
11:05
 32,538
   -59
    18,006
21
600
0
0
3
1
17:20
22:00
 16,815
   -72
   -75,866
23
265
0
0
4
1
00:50
08:34
 27,818
   -67
  -152,789
98
0
0
0
5
5
1
2
05:52
08:34
08:02
15:19
  7,811
 24,297
   -61
   -59
   533,092
   531,490
199
630
0
0
1
13283
0
0
6
6
1
2
08:34
15:20
15:05
17:30
 23,431
  7,764
   -58
   -69
  -335,522
  -336,095
229
81
0
0
1
0
0
0
7
1
05:36
11:43
 21,996
   -58
  -497,965
49
1
0
0
8
1
00:16
05:27
 18,662
   -53
    56,917
18
537
0
0
9
1
08:02
13:33
 19,846
   -66
    -8,390
23
282
0
0
10
1
04:15
09:16
 18,047
   -61
   -78,946
18
524
0
0
11
11
1
2
00:00
20:21
02:02
22:00
  7,321
  5,901
   -64
   -68
  -307,722
  -307,930
19
17
249
175
0
0
0
0
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
02:02
20:59
05:51
22:00
 13,732
  3,670
   -61
   -70
   -42,134
   -42,299
20
18
318
121
0
0
0
0
14
1
11:05
20:21
 33,340
   -66
    19,164
23
569
0
0
15
1
11:28
17:19
 21,069
   -60
  -567,899
41
2
0
0
16
1
15:06
20:58
 21,155
   -68
   -27,182
22
349
0
0
17
1
00:00
08:02
 28,918
   -65
   -53,058
67
0
0
0
18
18
1
2
09:16
11:05
10:35
17:22
  4,749
 22,635
   -60
   -68
   221,340
   221,365
20
22
127
371
0
0
0
0
19
1
18:11
22:00
 13,691
   -68
    21,127
18
458
0
0
20
20
1
2
00:00
17:43
03:33
22:00
 12,776
 15,418
   -61
   -69
    32,435
    32,372
20
19
438
480
0
0
0
0
21
1
10:36
15:58
 19,302
   -64
    -6,624
25
203
0
0
22
1
13:34
18:56
 19,327
   -68
   -69,653
23
247
0
0
23
1
19:07
22:00
 10,363
   -69
  -150,035
21
290
0
0
24
1
00:00
04:58
 17,887
   -67
   -86,437
24
360
0
0
25
1
13:34
22:00
 30,367
   -65
    97,641
330
0
3709
0
26
1
05:52
11:27
 20,123
   -61
    40,316
52
0
0
0
27
1
00:00
03:24
 12,279
   -58
   -36,360
21
358
0
0
28
28
1
2
00:50
03:25
02:02
06:34
  4,298
 11,329
   -62
   -63
   -33,164
   -33,158
19
17
139
325
0
0
0
0
29
1
06:35
10:35
 14,447
   -63
  -537,116
52
0
0
0
30
1
11:43
13:33
  6,601
   -58
   -25,623
20
243
0
0
31
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32
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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.