GPS Space Vehicle Time Integrity for MJD 54448

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
18:12
23:59
 20,786
    17
  -172,607
32
20
0
0
 
2
1
04:46
13:30
 31,269
    14
  -158,266
48
18
0
0
 
3
3
1
2
00:00
19:18
01:27
23:59
  5,215
 16,886
    18
    21
  -157,884
  -158,278
28
39
11
0
0
0
0
0
 
4
1
03:29
11:05
 27,294
    13
    36,779
47
2
0
0
 
5
1
09:17
18:46
 33,779
    21
  -596,114
202
0
0
0
 
6
6
6
1
2
3
11:08
17:06
18:28
15:55
18:12
20:14
 17,077
  3,921
  6,367
    20
    24
    16
  -189,898
  -189,712
  -189,646
74
32
34
1
0
0
0
0
0
0
0
0
 
7
-
 
 
 
 
 
 
 
 
 
8
1
04:46
07:52
 11,188
    18
   133,400
30
11
0
0
 
9
1
10:38
16:12
 20,069
    23
  -100,950
19
451
0
0
 
10
1
06:27
11:45
 19,075
    23
   173,388
77
2
0
0
 
11
11
1
2
00:00
22:52
04:45
23:59
 17,051
  4,032
    23
    12
   -26,539
   -26,557
27
28
26
29
0
0
0
0
 
12
12
1
2
08:15
11:08
10:37
17:41
  8,339
 23,616
    12
    19
   351,361
   351,388
55
23
10
564
0
0
0
0
 
13
1
00:00
08:29
 30,445
    18
  -227,694
42
6
0
0
 
14
1
13:44
22:52
 32,591
    22
   313,162
46
32
0
0
 
15
1
08:39
13:30
 17,455
    18
    71,637
26
90
0
0
 
16
1
17:52
23:42
 20,992
    25
  -128,856
30
16
0
0
 
17
17
1
2
01:27
02:36
02:35
10:37
  3,973
 28,647
    31
    12
   -46,653
   -46,655
61
37
8
84
0
0
0
0
 
18
1
14:12
20:02
 20,999
    23
   219,346
28
75
0
0
 
19
19
1
2
00:00
20:35
02:37
23:59
  9,453
 12,292
    21
    24
   -11,897
   -12,034
29
22
7
287
0
0
0
0
 
20
20
1
2
00:00
20:36
06:26
23:59
 23,044
 11,902
    14
    25
  -124,527
  -124,468
29
51
45
27
0
0
0
0
 
21
1
13:30
18:27
 17,804
    26
   -75,231
24
166
0
0
 
22
1
17:42
21:37
 14,110
    19
  -205,101
29
7
0
0
 
23
23
1
2
00:00
21:42
03:28
23:59
 12,478
  8,238
    19
    22
  -317,687
  -317,929
34
31
17
19
0
0
0
0
 
24
1
11:45
17:06
 19,231
    24
   -53,821
23
187
0
0
 
25
1
00:14
06:08
 21,150
    23
  -490,712
36
7
0
0
 
26
1
08:23
13:47
 19,392
    21
  -125,382
70
0
0
0
 
27
1
00:54
06:00
 18,286
    19
  -154,013
32
33
0
0
 
28
28
1
2
03:28
06:01
04:45
09:16
  4,517
 11,726
     5
    18
    11,990
    12,009
32
37
7
0
0
0
0
0
 
29
-
 
 
 
 
 
 
 
 
 







31
31
1
2
15:55
19:31
18:44
23:59
 10,069
 16,116
    24
     6
     1,384
     1,390
42
24
61
212
0
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.