GPS Space Vehicle Time Integrity for MJD 53853

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
11:08
17:16
 22,040
   -31
   -49,711
37
3
0
0
 
2
2
1
2
00:00
21:16
06:38
23:59
 23,743
  9,820
   -32
   -36
     6,398
     6,227
36
31
0
0
0
0
0
0
 
3
1
12:40
18:01
 19,197
   -28
   -94,284
37
0
0
0
 
4
4
1
2
00:00
20:00
03:46
23:59
 13,429
 14,367
   -33
   -36
  -216,318
  -217,026
51
49
1
0
1
0
0
0
 
5
1
01:00
10:36
 34,578
   -22
    88,643
602
0
17646
0
 
6
6
1
2
03:43
11:23
10:20
12:40
 23,833
  4,601
   -27
   -25
  -496,949
  -497,313
133
46
0
0
0
0
0
0
 
7
-
 
 
 
 
 
 
 
 
 
8
1
19:22
23:59
 16,641
   -37
    64,014
30
4
0
0
 
9
1
03:28
08:48
 19,247
   -28
   -17,975
33
0
0
0
 
10
10
1
2
00:00
22:54
05:07
23:59
 18,287
  3,922
   -34
   -39
   -82,537
   -82,587
34
33
0
0
0
0
0
0
 
11
1
15:36
21:15
 20,336
   -39
  -323,647
34
1
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
16:17
23:59
 27,735
   -36
   -57,934
37
0
0
0
 
14
1
06:19
15:36
 33,364
   -26
    15,060
32
3
0
0
 
15
1
06:54
12:39
 20,741
   -24
  -603,930
48
0
0
0
 
16
1
10:21
16:17
 21,304
   -24
   -39,526
35
0
0
0
 
17
17
17
1
2
3
00:00
17:55
21:16
03:27
19:59
23:59
 12,277
  7,480
  9,824
   -31
   -37
   -37
   -87,271
   -87,517
   -87,566
37
29
32
1
0
0
0
0
0
0
0
0
 
18
1
03:47
12:40
 31,989
   -33
   232,819
38
5
0
0
 
19
1
13:22
19:22
 21,586
   -30
    13,259
34
1
0
0
 
20
1
13:07
22:53
 35,161
   -31
    27,772
34
0
0
0
 
21
1
06:39
11:22
 16,998
   -27
   -24,782
32
0
0
0
 
22
1
08:49
14:15
 19,523
   -26
   -90,154
39
0
0
0
 
23
1
14:18
19:59
 20,473
   -33
  -142,863
30
0
0
0
 
24
1
18:22
23:59
 20,259
   -38
    -2,023
33
0
0
0
 
25
1
08:49
17:54
 32,678
   -22
   -12,453
42
0
0
0
 
26
1
01:08
06:53
 20,682
   -34
    99,006
70
0
0
0
 
27
1
17:32
22:39
 18,436
   -34
   -46,394
32
0
0
0
 
28
28
28
1
2
3
00:00
20:00
22:40
01:51
21:15
23:59
  6,521
  4,505
  4,788
   -34
   -40
   -35
   -28,593
   -28,549
   -28,536
34
31
29
0
0
0
0
0
0
0
0
0
 
29
1
00:41
06:18
 20,067
   -36
  -594,482
58
0
0
0
 
30
1
05:08
08:48
 13,230
   -16
  -195,551
155
0
0
0
 
31
-
 
 
 
 
 
 
 
 
 
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(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.