GPS Space Vehicle Time Integrity for MJD 52881

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
09:03
15:03
 21,587
    14
  -302,594
38
0
0
0
 
2
2
1
2
05:38
10:43
10:10
14:07
 16,313
 12,243
    21
    20
   176,470
   176,578
39
47
0
0
0
0
0
0
 
3
1
07:24
12:38
 18,869
    10
   -40,257
40
0
0
0
 
4
1
14:08
21:56
 28,065
    -4
   -35,448
39
0
0
0
 
5
5
1
2
00:00
19:29
05:04
22:00
 18,279
  9,083
    14
    -4
   -51,056
   -51,158
30
34
0
0
0
0
0
0
 
6
6
1
2
00:00
05:05
03:35
07:26
 12,946
  8,455
     6
    22
     7,361
     7,382
31
35
0
0
0
0
0
0
 
7
1
12:39
22:00
 33,649
     8
  -612,662
100
0
0
0
 
8
1
13:58
19:08
 18,622
     8
  -413,088
47
0
0
0
 
9
9
1
2
00:00
20:29
03:07
22:00
 11,260
  5,479
    10
   -22
     4,627
     4,718
30
33
1
0
0
0
0
0
 
10
1
17:30
22:00
 16,181
    -8
   -30,637
33
0
0
0
 
11
1
10:11
15:53
 20,531
    17
   -63,734
39
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
10:11
19:27
 33,343
     4
    30,798
36
0
0
0
 
14
1
01:03
10:10
 32,835
    14
    20,627
33
0
0
0
 
15
1
03:08
07:53
 17,080
    21
  -152,881
40
0
0
0
 
16
1
04:49
10:43
 21,245
    15
   -73,216
48
0
0
0
 
17
1
00:00
03:49
 13,760
    14
  -276,357
127
1
1
0
 
18
1
01:02
07:23
 22,895
    16
   -11,188
33
8
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
1
07:39
17:25
 35,182
    13
   211,610
38
0
0
0
 
21
1
00:38
05:38
 17,999
    12
   -34,799
44
0
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
1
03:36
08:52
 18,942
    10
   -34,494
33
0
0
0
 
24
24
1
2
00:00
15:54
01:02
22:00
  3,750
 21,973
     5
    -8
   -55,991
   -56,194
31
40
1
0
0
0
0
0
 
25
1
03:08
12:03
 32,088
    18
   -50,848
35
0
0
0
 
26
26
1
2
00:00
19:46
01:37
22:00
  5,844
  8,033
     8
    -5
  -523,119
  -523,024
32
35
0
0
0
0
0
0
 
27
1
12:04
17:51
 20,839
     6
  -601,244
235
0
0
0
 
28
1
15:03
20:27
 19,425
    -3
    13,393
41
0
0
0
 
29
1
18:47
22:00
 11,586
    -8
   -64,942
68
0
0
0
 
30
1
01:38
03:07
  5,374
    12
  -442,912
54
0
0
0
 
31
1
07:55
13:57
 21,730
    16
  -385,141
90
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.