GPS Space Vehicle Time Integrity for MJD 52861

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
10:25
16:25
 21,604
    12
  -299,243
29
129
0
0
2
1
07:00
15:29
 30,485
    10
   164,989
55
0
0
0
3
1
08:47
14:01
 18,843
     1
   -34,728
30
17
0
0
4
1
15:29
23:34
 29,076
     5
   -39,853
22
711
0
0
5
5
1
2
00:00
20:51
06:26
23:59
 23,197
 11,337
     4
    -8
   -45,984
   -46,301
36
21
4
189
0
0
0
0
6
6
1
2
00:00
06:27
04:54
08:47
 17,612
  8,411
    -4
    15
     6,794
     6,821
23
24
276
117
0
0
0
0
7
1
14:02
23:28
 33,952
     5
  -596,920
113
0
0
0
8
1
15:18
20:29
 18,619
     1
  -403,770
43
4
0
0
9
9
1
2
00:00
22:02
04:30
23:59
 16,187
  7,053
     5
   -14
     1,778
     1,878
27
17
116
165
0
0
0
0
10
1
18:54
23:34
 16,794
    -7
   -29,620
18
481
0
0
11
1
11:33
17:14
 20,498
    10
   -60,443
25
484
0
0
12
-
 
 
 
 
 
 
 
 
 
13
1
12:06
20:53
 31,661
     8
    30,291
20
1007
0
0
14
1
02:23
11:32
 32,934
    13
    20,401
25
344
0
0
15
1
03:02
09:10
 22,100
    15
  -144,471
39
1
0
0
16
1
06:11
12:05
 21,270
    13
   -64,473
39
4
0
0
17
1
00:00
05:30
 19,789
     4
  -169,872
384
1
4873
0
18
1
04:30
08:46
 15,376
    11
   -12,043
25
51
0
0
19
-
 
 
 
 
 
 
 
 
 
20
1
09:02
18:49
 35,183
    15
   212,754
24
867
0
0
21
1
02:23
06:59
 16,579
     8
   -22,804
44
0
0
0
22
-
 
 
 
 
 
 
 
 
 
23
1
04:55
10:09
 18,884
    10
   -32,862
24
168
0
0
24
24
1
2
00:00
17:15
02:22
23:59
  8,557
 24,272
     7
     2
   -51,063
   -51,264
21
30
279
80
0
0
0
0
25
1
04:30
13:23
 31,948
    20
   -49,593
24
344
0
0
26
26
1
2
00:00
21:10
03:01
23:59
 10,896
 10,178
     4
   -17
  -524,426
  -524,435
21
17
368
258
0
0
0
0
27
1
13:24
19:14
 21,010
     3
  -532,410
255
0
120
0
28
1
16:26
21:49
 19,384
    -2
    18,266
29
91
0
0
29
29
1
2
00:00
20:09
01:59
23:59
  7,161
 13,833
     2
    -8
   -29,424
   -31,040
49
83
1
0
1
0
0
0
30
30
1
2
00:00
03:02
01:59
04:30
  7,161
  5,255
     7
     1
  -382,551
  -382,920
77
72
0
1
0
1
0
0
31
1
09:16
15:18
 21,727
    10
  -361,402
105
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.