GPS Space Vehicle Time Integrity for MJD 54027

As viewed from the National Institute of Metrology, Thailand (Bangkok)
Latitude 14.0430099 degrees, longitude 100.7136320 degrees, height 12.8 metres

ABCDEFGHIJK
PRNBlock
no.		StartEndMeasure-
ments		UTC(NIMT)
-GPSSV (ns)		UTC(NIMT)
-SV (ns)		Std.Dev.
(ns)		Outliers
> 4 s		Outliers
> 500 ns		Health 
1
1
00:01
04:52
 15,617
  1,158
   -82,239
40
0
0
0
 
2
1
09:43
18:12
 27,841
  1,152
   -45,142
56
0
0
0
 
3
-
 
 
 
 
 
 
 
 
 
4
-
 
 
 
 
 
 
 
 
 
5
5
1
2
13:07
19:08
17:06
22:39
 12,820
 11,604
  1,155
  1,133
  -362,899
  -362,962
45
32
0
0
0
0
0
0
 
6
-
 
 
 
 
 
 
 
 
 
7
-
 
 
 
 
 
 
 
 
 
8
1
06:01
11:38
 18,777
  1,158
    84,665
38
0
0
0
 
9
1
11:06
13:06
  6,770
  1,134
   -39,809
47
0
0
0
 
10
-
 
 
 
 
 
 
 
 
 
11
-
 
 
 
 
 
 
 
 
 
12
-
 
 
 
 
 
 
 
 
 
13
13
13
1
2
3
03:49
05:29
12:18
04:52
08:41
13:44
  3,254
 11,208
  4,745
  1,152
  1,150
  1,134
  -103,442
  -103,479
  -103,570
29
43
45
0
0
0
0
0
0
0
0
0
 
14
1
18:28
23:59
 17,944
  1,145
     4,248
31
2
0
0
 
15
-
 
 
 
 
 
 
 
 
 
16
1
00:01
05:28
 17,083
  1,160
   -82,240
47
1
0
0
 
17
-
 
 
 
 
 
 
 
 
 
18
1
17:40
19:06
  4,820
  1,143
   252,377
28
0
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
1
00:51
05:40
 15,378
  1,144
    23,165
34
0
0
0
 
21
1
17:06
22:57
 19,539
  1,152
   -56,692
37
2
0
0
 
22
22
1
2
00:01
19:08
01:49
23:59
  5,799
 16,050
  1,140
  1,155
  -141,770
  -141,981
40
31
1
0
0
0
0
0
 
23
-
 
 
 
 
 
 
 
 
 
24
1
08:42
09:43
  3,139
  1,146
   -44,109
27
15
0
0
 







26
-
 
 
 
 
 
 
 
 
 







27
1
04:53
10:41
 18,663
  1,164
   -72,408
38
0
0
0







28
1
05:59
13:20
 24,491
  1,158
   -15,053
43
0
0
0







29
1
13:35
19:06
 17,958
  1,151
   -91,739
286
0
490
0







30
1
13:59
17:39
 11,673
  1,132
   -12,536
43
0
0
0







31
31
1
2
01:50
22:58
03:48
23:59
  6,487
  3,306
  1,128
  1,162
    72,284
    71,314
46
30
1
2
1
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(NIMT) 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(NIMT) 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.