GPS Space Vehicle Time Integrity for MJD 51802

As viewed from the Singapore Productivity and Standards Board
Latitude 1.2919490 degrees, longitude 103.7855042 degrees, height 67.1 metres

ABCDEFGHIJK
PRNBlock
no.		StartEndMeasure-
ments		UTC(PSB)
-GPSSV (ns)		UTC(PSB)
-SV (ns)		Std.Dev.
(ns)		Outliers
> 4 s		Outliers
> 500 ns		Health 
1
1
11:04
16:42
 20,301
 -1,993
  -146,465
12
39
0
0
 
2
1
16:43
22:32
 20,909
 -2,004
   268,278
22
0
0
0
 
3
1
09:57
14:05
 14,820
 -1,992
   -42,224
25
0
0
0
 
4
4
1
2
00:00
16:12
01:17
23:59
  4,622
 28,071
 -1,980
 -2,004
  -422,079
  -424,324
44
267
1
0
1
65
0
0
 
5
5
5
1
2
3
00:00
02:00
21:07
01:57
03:18
23:59
  7,022
  4,644
 10,323
 -1,995
 -1,975
 -2,011
  -266,873
  -266,862
  -267,010
5
3
13
2
21
76
0
0
0
0
0
0
 
6
6
1
2
00:00
02:00
01:57
03:18
  7,026
  4,644
 -1,997
 -1,983
    -2,009
    -1,994
7
5
92
8
0
0
0
0
 
7
1
14:57
23:54
 32,230
 -1,993
   -78,248
565
0
15754
0
 
8
8
1
2
14:57
16:43
16:11
20:51
  4,465
 14,861
 -1,989
 -2,002
  -503,737
  -504,167
47
159
0
0
0
0
0
0
 
9
9
9
1
2
3
00:00
02:00
20:58
01:57
03:18
23:59
  7,024
  4,644
 10,906
 -1,990
 -1,978
 -2,020
     6,053
     6,075
     6,161
11
4
9
0
7
1
0
0
0
0
0
0
 
10
10
1
2
00:00
19:19
01:16
23:59
  4,551
 16,811
 -1,994
 -2,017
   -58,696
   -58,751
7
5
1
69
0
0
0
0
 
11
1
11:29
17:25
 21,331
 -1,983
  -595,860
142
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
13:10
22:27
 33,439
 -2,002
   828,746
15
0
0
0
 
14
-
 
 
 
 
 
 
 
 
 
15
15
1
2
09:57
11:26
11:22
13:09
  5,118
  6,051
 -1,948
 -1,983
  -861,395
  -861,452
10
18
4
0
0
0
0
0
 
16
-
 
 
 
 
 
 
 
 
 
17
1
02:00
03:18
  4,643
 -1,987
   271,704
9
43
0
0
 
18
-
 
 
 
 
 
 
 
 
 
19
19
1
2
12:31
14:06
13:32
16:42
  3,680
  9,407
 -1,996
 -1,990
  -293,633
  -293,725
13
31
0
0
0
0
0
0
 
20
1
09:57
19:19
 32,639
 -1,984
    54,352
44
0
0
0
 







22
22
1
2
09:57
11:26
11:22
12:30
  5,118
  3,838
 -1,982
 -2,006
  -286,474
  -286,638
45
40
0
0
0
0
0
0







23
23
1
2
00:00
02:00
01:57
03:18
  7,025
  4,644
 -1,993
 -1,984
   -17,452
   -17,441
11
10
2
14
0
0
0
0







24
24
24
1
2
3
00:00
02:00
17:25
01:57
03:07
23:59
  7,032
  3,990
 23,647
 -1,973
 -1,976
 -2,006
    -2,824
    -2,831
    -3,067
5
5
23
10
1
0
0
0
0
0
0
0







25
1
09:57
13:27
 12,629
 -1,996
   -10,243
12
0
0
0







26
26
26
1
2
3
00:00
02:00
22:28
01:57
03:18
23:59
  7,032
  4,644
  5,487
 -1,996
 -1,990
 -2,011
  -557,247
  -557,270
  -557,645
7
8
5
0
1
2
0
0
0
0
0
0







27
27
1
2
13:51
16:12
14:56
19:34
  3,908
 12,149
 -1,985
 -2,006
   -33,007
   -33,041
12
8
0
2
0
0
0
0







28
1
09:57
11:26
  5,343
 -1,982
    37,613
17
1
0
0







29
1
09:57
11:03
  3,963
 -1,971
   -70,678
38
0
0
0







30
30
1
2
02:00
22:45
03:18
23:54
  4,644
  4,112
 -1,968
 -2,022
    35,666
    35,745
7
12
1
32
0
0
0
0







31
31
1
2
11:23
14:08
14:07
15:27
  9,851
  4,712
 -1,977
 -1,982
   -13,291
   -13,306
12
6
0
2
0
0
0
0







32
-
 
 
 
 
 
 
 
 
 







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(PSB) 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(PSB) 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.