GPS Space Vehicle Time Integrity for MJD 53123

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
16:16
22:12
 21,368
   -51
  -341,467
44
0
0
0
 
2
-
 
 
 
 
 
 
 
 
 
3
1
14:13
19:58
 20,720
   -45
    -5,893
46
0
0
0
 
4
4
1
2
00:00
21:36
05:05
23:59
 18,336
  8,624
   -54
   -65
   127,887
   128,697
68
49
1
0
1
0
0
0
 
5
1
03:11
12:23
 33,140
   -50
   -27,681
38
0
0
0
 
6
6
1
2
05:35
10:46
10:41
14:13
 18,400
 12,408
   -50
   -48
   -23,010
   -22,993
28
40
0
0
0
0
0
0
 
7
7
1
2
00:00
20:11
05:34
23:59
 20,051
 13,683
   -54
   -66
  -561,181
  -560,337
81
63
1
0
1
0
0
0
 
8
8
1
2
00:00
21:14
02:41
23:59
  9,656
  9,944
   -46
   -59
  -299,694
  -298,676
54
57
1
0
1
0
0
0
 
9
1
05:06
10:43
 20,195
   -44
    41,656
31
2
0
0
 
10
1
00:58
06:28
 19,843
   -49
   -43,215
33
4
0
0
 
11
1
17:40
23:22
 20,518
   -57
  -113,467
43
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
00:00
18:30
03:10
23:59
 11,433
 19,757
   -56
   -59
    29,233
    29,198
37
38
0
0
0
0
0
0
 
14
1
08:25
17:40
 33,279
   -43
    19,202
38
0
0
0
 
15
1
09:59
15:56
 21,421
   -46
  -259,236
54
0
0
0
 
16
1
12:24
18:30
 21,944
   -43
   -12,867
39
0
0
0
 
17
17
1
2
00:57
05:35
04:48
09:58
 13,863
 15,818
   -46
   -51
  -307,109
  -307,485
92
100
0
0
0
0
0
0
 
18
18
1
2
06:29
08:03
07:53
14:39
  5,034
 23,792
   -51
   -47
    30,205
    30,258
21
43
162
0
0
0
0
0
 
19
1
15:12
21:13
 21,649
   -58
    66,652
76
0
0
0
 
20
1
15:12
23:59
 31,631
   -52
   168,143
56
0
0
0
 
21
1
07:54
13:28
 20,052
   -41
   -75,120
35
0
0
0
 
22
1
10:42
16:03
 19,276
   -48
     4,320
47
0
0
0
 
23
-
 
 
 
 
 
 
 
 
 
24
24
1
2
00:00
04:03
03:10
08:24
 11,417
 15,678
   -47
   -54
   -22,683
   -22,733
37
30
0
17
0
0
0
0
 
25
1
10:09
19:27
 33,473
   -42
   -65,497
40
0
0
0
 
26
26
1
2
03:11
04:49
04:26
07:53
  4,512
 11,024
   -52
   -46
   -47,960
   -48,121
41
64
0
0
0
0
0
0
 
27
1
19:28
23:59
 16,295
   -51
  -146,078
145
0
0
0
 
28
28
1
2
00:00
22:13
04:02
23:59
 14,548
  6,393
   -62
   -59
   -29,617
   -29,731
37
37
0
2
0
0
0
0
 
29
1
02:41
08:02
 19,243
   -54
  -235,805
27
2
0
0
 
30
1
08:51
09:58
  4,069
   -59
  -522,325
28
0
0
0
 
31
1
15:57
21:35
 20,310
   -55
  -127,937
147
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.