GPS Space Vehicle Time Integrity for MJD 52968

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
03:06
09:04
 21,534
   -46
  -316,991
30
10
0
0
 
2
2
1
2
00:00
04:49
04:20
08:28
 15,595
 13,148
   -55
   -60
   227,404
   227,507
45
37
0
3
0
0
0
0
 
3
1
00:30
06:39
 22,169
   -52
   -64,545
32
3
0
0
 
4
1
08:29
15:23
 24,829
   -61
    14,486
43
0
0
0
 
5
1
13:28
23:12
 35,045
   -45
    -6,577
44
0
0
0
 
6
6
1
2
00:00
16:17
01:26
23:59
  5,162
 27,723
   -63
   -48
     1,731
     1,775
37
38
0
0
0
0
0
0
 
7
1
06:40
16:03
 33,805
   -50
  -644,197
31
13
0
0
 
8
1
09:05
13:15
 15,007
   -48
  -399,471
27
6
0
0
 
9
1
15:23
21:33
 22,195
   -44
    18,381
38
0
0
0
 
10
1
11:27
17:05
 20,266
   -49
   -35,021
35
0
0
0
 
11
1
04:21
09:59
 20,282
   -55
   -79,619
29
26
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
04:21
13:33
 33,124
   -53
    31,787
29
18
0
0
 
14
14
1
2
00:00
19:13
04:20
23:59
 15,610
 17,160
   -57
   -54
    18,641
    18,626
31
40
0
0
0
0
0
0
 
15
15
1
2
00:46
19:52
02:13
23:59
  5,232
 14,853
   -61
   -55
  -190,427
  -190,787
30
47
1
0
0
0
0
0
 
16
1
00:00
04:49
 17,320
   -56
   -12,718
32
1
0
0
 
17
17
1
2
11:49
17:05
15:23
18:46
 12,841
  6,057
   -65
   -43
   -28,275
   -27,677
139
76
0
0
0
0
0
0
 
18
18
18
1
2
3
00:00
17:06
18:35
01:22
18:18
23:59
  4,932
  4,353
 19,462
   -62
   -34
   -52
    -2,706
    -2,578
    -2,574
37
41
37
0
0
0
0
0
0
0
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
1
01:40
11:26
 35,170
   -56
   202,530
31
3
0
0
 
21
1
18:19
23:55
 20,194
   -49
   -66,434
43
0
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
-
 
 
 
 
 
 
 
 
 
24
24
24
1
2
3
09:59
13:28
16:17
13:15
16:03
19:33
 11,754
  9,323
 11,763
   -52
   -62
   -32
   -77,822
   -77,865
   -77,868
35
35
39
0
5
0
0
0
0
0
0
0
 
25
25
1
2
00:00
21:34
06:16
23:59
 22,583
  8,727
   -61
   -54
   -55,896
   -55,945
30
35
2
0
0
0
0
0
 
26
26
1
2
13:47
15:23
15:20
18:18
  5,592
 10,481
   -31
   -39
  -491,146
  -491,097
40
42
0
0
0
0
0
0
 
27
1
06:17
11:48
 19,872
   -48
  -817,822
120
0
0
0
 
28
1
08:29
13:27
 17,894
   -53
    -5,523
29
29
0
0
 
29
1
15:20
18:34
 11,636
   -46
  -172,500
51
0
0
0
 
30
30
1
2
15:21
19:13
17:05
23:59
  6,255
 17,171
   -40
   -56
  -653,419
  -653,874
49
126
0
0
0
0
0
0
 
31
1
02:08
08:10
 21,761
   -55
  -434,743
29
3
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(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.