GPS Space Vehicle Time Integrity for MJD 52745

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
18:16
23:59
 20,637
  -159
  -280,977
44
0
0
0
 
2
1
15:02
23:39
 30,887
  -157
    98,767
67
0
0
0
 
3
1
16:21
21:56
 19,956
  -165
    -1,996
47
0
0
0
 
4
1
00:00
08:05
 29,056
  -142
   -41,337
39
0
0
0
 
5
1
04:44
14:15
 34,292
  -129
   -10,365
43
0
0
0
 
6
6
1
2
07:27
15:08
12:08
16:21
 16,911
  4,383
  -124
  -139
     3,583
     3,571
37
42
0
0
0
0
0
0
 
7
7
1
2
00:00
22:00
07:26
23:59
 26,754
  7,190
  -139
  -166
  -434,975
  -436,550
167
58
1
0
1
0
0
0
 
8
1
00:00
04:19
 15,549
  -134
  -296,613
78
1
1
0
 
9
1
07:26
12:26
 18,027
  -132
    39,696
38
0
0
0
 
10
1
02:54
08:36
 20,538
  -136
   -23,644
38
0
0
0
 
11
11
1
2
00:00
19:22
01:10
23:59
  4,209
 16,652
  -148
  -167
   -43,171
   -43,313
40
38
0
0
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
00:00
20:11
05:08
23:59
 18,449
 13,744
  -137
  -169
    25,853
    25,856
40
38
0
0
0
0
0
0
 
14
1
10:19
19:21
 32,389
  -139
    22,450
44
0
0
0
 
15
1
10:52
16:40
 20,922
  -142
   -97,416
57
0
0
0
 
16
1
15:07
20:10
 17,999
  -154
    16,404
74
0
0
0
 
17
1
09:22
14:51
 19,705
  -133
    -8,199
43
0
0
0
 
18
1
10:56
16:51
 21,303
  -144
    -8,387
43
0
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
20
1
2
00:20
17:02
02:53
23:39
  9,198
 23,779
  -138
  -161
   212,635
   212,647
38
41
0
0
0
0
0
0
 
21
1
10:39
15:07
 16,049
  -139
    93,608
91
0
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
23
1
2
08:21
12:27
09:31
16:56
  4,158
 16,116
  -103
  -143
   -24,455
   -24,507
41
40
0
0
0
0
0
0
 
24
1
01:11
10:18
 32,871
  -138
   -23,105
43
0
0
0
 
25
1
12:27
21:15
 31,540
  -153
   -42,642
45
0
0
0
 
26
1
05:09
10:39
 19,800
  -133
  -475,580
61
0
0
0
 
27
27
1
2
00:00
21:16
03:16
23:59
 11,770
  9,818
  -149
  -168
  -576,059
  -575,183
58
53
1
0
1
0
0
0
 
28
1
00:00
05:46
 20,755
  -141
    52,646
43
1
0
0
 
29
1
04:10
09:31
 19,211
  -135
  -120,490
60
0
0
0
 
30
30
1
2
06:17
09:31
07:25
10:39
  4,121
  4,042
  -130
  -100
  -554,955
  -554,865
43
42
0
0
0
0
0
0
 
31
1
17:05
23:06
 21,680
  -163
  -125,797
202
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(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.