GPS Space Vehicle Time Integrity for MJD 53874

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
09:54
15:51
 21,383
    25
   -53,793
31
31
0
0
 
2
2
1
2
00:00
19:50
05:09
23:59
 18,511
 14,959
    30
    19
     1,824
     1,622
29
29
5
1
0
0
0
0
 
3
1
11:15
16:34
 19,167
    25
   -99,785
36
8
0
0
 
4
4
1
2
00:00
18:32
02:22
23:59
  8,528
 19,624
    28
    25
  -233,377
  -234,043
34
59
3
0
1
0
0
0
 
5
1
00:00
09:04
 32,682
    35
   -13,659
499
1
13796
0
 
6
6
1
2
02:20
09:05
09:01
11:19
 24,064
  8,061
    33
    39
  -530,428
  -530,694
113
51
0
0
0
0
0
0
 
7
1
05:10
14:32
 33,750
    32
  -537,768
35
62
0
0
 
8
1
17:54
23:11
 18,996
    24
    66,284
28
6
0
0
 
9
1
02:02
07:22
 19,166
    31
   -20,764
29
29
0
0
 
10
10
1
2
00:00
21:28
03:39
23:59
 13,164
  9,109
    32
    23
   -83,618
   -83,662
28
24
8
40
0
0
0
0
 
11
1
14:10
19:50
 20,385
    20
  -328,052
34
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
13
13
1
2
3
14:33
19:50
21:31
18:32
21:29
23:15
 14,335
  5,920
  6,244
    23
    13
    17
   -62,971
   -63,023
   -63,038
32
30
27
0
0
5
0
0
0
0
0
0
 
14
1
04:53
14:09
 33,394
    29
    13,772
26
181
0
0
 
15
1
05:22
11:14
 21,111
    30
  -614,916
43
1
0
0
 
16
1
09:01
14:51
 21,008
    29
   -43,768
33
14
0
0
 
17
17
1
2
00:00
16:25
02:01
23:59
  7,300
 27,238
    22
    18
   -93,359
   -93,569
26
36
5
0
0
0
0
0
 
18
18
1
2
02:22
05:22
05:09
11:14
  9,993
 21,119
    29
    27
   235,888
   235,912
28
27
8
129
0
0
0
0
 
19
1
11:54
17:54
 21,577
    29
    10,068
34
1
0
0
 
20
1
11:44
21:27
 34,982
    27
    26,694
31
18
0
0
 
21
1
05:10
09:01
 13,859
    28
   -29,642
23
405
0
0
 
22
1
07:22
12:49
 19,619
    30
   -97,448
33
14
0
0
 
23
1
12:51
18:32
 20,467
    28
  -141,179
30
4
0
0
 
24
24
1
2
17:00
21:31
21:29
23:05
 16,111
  5,638
    27
    20
    -7,126
    -7,164
32
26
1
9
0
0
0
0
 
25
-
 
 
 
 
 
 
 
 
 
26
1
00:00
05:22
 19,273
    25
   119,451
68
1
1
0
 
27
1
16:05
21:14
 18,533
    22
   -49,480
31
4
0
0
 
28
28
1
2
18:32
21:15
19:50
23:59
  4,632
  9,889
    19
    24
   -27,073
   -27,058
25
26
34
16
0
0
0
0
 
29
1
00:00
04:52
 17,526
    23
  -606,847
42
1
0
0
 
30
1
03:40
05:22
  6,119
    37
  -250,442
47
1
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.