GPS Space Vehicle Time Integrity for MJD 52757

As viewed from the National Institute of Metrology, Thailand (Bangkok)
Latitude 13.7645066 degrees, longitude 100.5282384 degrees, height 13.0 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
16:49
22:32
 20,152
   904
  -282,087
39
0
0
0
 
2
1
14:27
22:12
 27,457
   890
   106,669
45
1
0
0
 
3
1
15:48
21:31
 20,142
   894
    -4,406
41
1
0
0
 
4
1
00:00
02:02
  7,302
   887
   -42,071
31
1
0
0
 
5
1
10:21
14:02
 13,034
   889
   -11,126
28
15
0
0
 
6
1
09:07
11:01
  6,783
   893
     4,811
21
282
0
0
 
7
7
1
2
00:00
21:31
02:02
23:59
  7,303
  8,692
   872
   879
  -456,162
  -457,793
56
59
2
0
1
0
1
0
 
8
8
8
1
2
3
00:00
20:48
22:33
02:02
22:12
23:59
  7,300
  5,020
  5,049
   892
   868
   891
  -311,018
  -312,118
  -312,190
48
36
34
1
0
0
1
0
0
0
0
0
 
9
1
09:07
11:58
 10,147
   909
    42,538
20
428
0
0
 
10
-
 
 
 
 
 
 
 
 
 
11
1
19:42
23:59
 15,164
   885
   -43,826
33
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
18:15
23:36
 18,908
   887
    27,440
32
0
0
0
 
14
1
09:34
17:58
 29,851
   905
    22,966
24
314
0
0
 
15
1
11:59
14:52
 10,289
   905
  -101,300
35
0
0
0
 
16
1
13:44
20:00
 22,132
   902
     6,294
80
0
0
0
 
17
1
09:07
13:26
 15,342
   905
    -9,110
30
6
0
0
 
18
1
09:07
15:27
 22,533
   906
    -8,469
27
37
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
20
20
1
2
3
00:00
15:38
22:13
02:02
19:41
23:59
  7,304
 14,264
  6,216
   874
   905
   877
   214,126
   214,181
   214,161
31
26
31
0
79
0
0
0
0
0
0
0
 
21
1
09:07
13:43
 16,404
   900
    78,154
86
0
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
1
10:21
15:50
 19,465
   909
   -24,350
26
15
0
0
 
24
1
00:27
02:02
  5,704
   876
   -24,936
27
8
0
0
 
25
1
11:59
19:41
 27,279
   903
   -42,230
29
3
0
0
 
26
1
09:07
10:21
  4,387
   904
  -482,299
23
60
0
0
 
27
27
1
2
00:00
19:42
01:42
23:59
  6,116
 15,164
   884
   892
   -34,082
   -39,265
141
296
1
0
1
553
0
0
 
28
28
1
2
00:00
21:42
02:02
23:59
  7,299
  8,031
   883
   871
    49,696
    49,376
31
31
1
0
0
0
0
0
 







30
1
13:26
15:26
  7,066
   912
  -547,415
38
0
0
0







31
1
16:52
21:31
 16,313
   907
  -155,913
150
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.