GPS Space Vehicle Time Integrity for MJD 52845

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
11:30
17:30
 21,606
    29
  -296,381
32
11
0
0
 
2
1
08:05
16:35
 30,581
    25
   155,801
59
0
0
0
 
3
1
09:52
15:07
 18,906
    19
   -30,306
32
95
0
0
 
4
1
16:36
23:59
 26,629
    11
   -42,476
27
55
0
0
 
5
5
1
2
00:00
21:56
07:32
23:59
 27,125
  7,412
    23
     3
   -38,190
   -38,668
54
30
1
0
0
0
0
0
 
6
6
1
2
00:56
07:33
05:56
09:52
 18,017
  8,344
    18
    38
     6,353
     6,379
21
23
628
144
0
0
0
0
 
7
1
15:08
23:59
 31,881
    14
  -581,896
113
0
0
0
 
8
1
16:23
21:33
 18,638
    14
  -394,602
49
0
0
0
 
9
1
00:39
05:35
 17,772
    18
    55,313
22
568
0
0
 
10
10
1
2
00:00
20:00
01:52
23:59
  6,722
 14,378
     9
    10
   -28,750
   -28,809
22
27
160
6
0
0
0
0
 
11
1
12:37
18:19
 20,531
    16
   -57,842
29
25
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
13:12
22:02
 31,791
    11
    29,831
25
121
0
0
 
14
1
03:19
12:36
 33,432
    23
    20,342
23
704
0
0
 
15
1
04:08
10:12
 21,880
    30
  -137,938
33
53
0
0
 
16
1
07:17
13:11
 21,282
    23
   -56,495
52
0
0
0
 
17
17
1
2
00:56
03:05
02:35
06:48
  5,879
 13,393
    24
    29
   -80,369
   -81,076
106
237
0
0
0
0
0
0
 
18
1
03:28
09:53
 23,096
    24
   -12,418
23
333
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
1
10:09
19:56
 35,191
    17
   213,406
27
225
0
0
 
21
1
04:08
08:05
 14,232
    29
   -11,566
39
0
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
1
07:17
11:11
 14,083
    27
   -31,610
24
229
0
0
 
24
24
1
2
00:00
18:20
03:27
23:59
 12,468
 20,377
    15
     9
   -47,128
   -47,335
24
30
243
10
0
0
0
0
 
25
1
05:36
14:27
 31,877
    25
   -48,474
26
465
0
0
 
26
26
1
2
00:00
22:17
04:07
23:59
 14,831
  6,137
    18
     5
  -523,821
  -523,905
22
26
459
5
0
0
0
0
 
27
1
14:27
20:20
 21,156
    12
  -471,750
288
0
413
0
 
28
1
17:31
22:54
 19,368
    10
    22,349
30
59
0
0
 
29
1
00:00
01:28
  5,322
    16
  -158,274
24
59
0
0
 







31
1
10:20
16:22
 21,705
    24
  -338,508
118
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.