GPS Space Vehicle Time Integrity for MJD 52221

As viewed from the Measurement Standards Laboratory, Lower Hutt, New Zealand
Latitude -41.2348000 degrees, longitude 174.9175025 degrees, height 26.2 metres

ABCDEFGHIJK
PRNBlock
no.		StartEndMeasure-
ments		REF
-GPSSV (ns)		REF
-SV (ns)		Std.Dev.
(ns)		Outliers
> 4 s		Outliers
> 500 ns		Health 
1
1
09:59
15:50
 21,032
  4,052
  -198,739
44
5
0
0
 
2
1
15:05
20:49
 20,628
  4,044
   106,761
50
0
0
0
 
3
3
1
2
03:41
13:29
06:32
16:06
 10,253
  9,364
  4,031
  4,042
   -77,281
   -77,376
45
44
0
0
0
0
0
0
 
4
4
1
2
18:42
21:45
21:41
23:59
 10,713
  8,056
  4,056
  4,044
  -448,519
  -448,287
85
70
0
0
0
0
0
0
 
5
5
1
2
20:27
21:45
21:41
23:59
  4,422
  8,089
  4,048
  4,052
  -317,700
  -317,707
42
43
0
0
0
0
0
0
 
6
1
00:00
04:40
 16,820
  4,032
     5,042
44
0
0
0
 







8
1
13:58
19:54
 21,385
  4,045
  -614,433
97
0
0
0







9
9
1
2
06:02
19:06
07:37
21:41
  5,683
  9,283
  4,028
  4,032
    19,702
    19,792
48
41
12
2
0
0
0
0







10
10
1
2
00:00
21:57
03:17
23:59
 11,791
  7,336
  4,018
  4,067
    -9,198
    -9,212
44
43
0
0
0
0
0
0







11
11
1
2
07:34
17:28
10:38
19:35
 11,085
  7,510
  4,035
  4,035
    -1,057
    -1,068
44
41
0
0
0
0
0
0







12
-
 
 
 
 
 
 
 
 
 







13
1
11:36
16:53
 19,021
  4,045
    11,099
42
0
0
0







14
1
05:44
10:15
 16,291
  4,040
   125,787
44
3
0
0







15
1
01:38
07:33
 21,295
  4,031
   -98,379
52
0
0
0







16
-
 
 
 
 
 
 
 
 
 







17
1
00:40
07:06
 23,104
  4,029
  -261,963
515
0
10014
0







18
1
02:16
06:02
 13,572
  4,033
    79,565
42
0
0
0







19
-
 
 
 
 
 
 
 
 
 







20
20
1
2
08:50
19:54
13:39
21:02
 17,342
  4,105
  4,052
  4,043
   116,574
   116,664
46
40
0
0
0
0
0
0







21
1
03:28
09:10
 20,533
  4,042
    -1,186
44
4
0
0







22
1
09:23
14:41
 19,105
  4,050
  -399,766
215
0
0
0







23
1
00:30
05:59
 19,722
  4,031
     3,659
45
1
0
0







24
24
24
1
2
3
00:00
19:57
21:45
01:52
21:41
23:59
  6,741
  6,203
  8,089
  4,011
  4,047
  4,042
     -590
     -741
     -766
44
42
44
0
0
2
0
0
0
0
0
0







25
1
07:08
12:50
 20,474
  4,048
   -15,289
45
6
0
0







26
26
1
2
01:12
16:58
05:29
19:10
 15,358
  7,822
  4,027
  4,032
     1,819
     1,972
44
41
1
0
0
0
0
0







27
1
12:39
18:52
 22,341
  4,043
     2,529
45
1
0
0







28
1
14:57
21:36
 23,817
  4,049
    39,759
46
0
0
0







29
1
07:02
10:54
 13,901
  4,037
  -608,607
49
0
0
0







30
30
30
1
2
3
00:00
08:32
21:54
02:15
10:18
23:59
  8,111
  6,329
  7,557
  4,017
  4,037
  4,042
  -135,582
  -136,059
  -136,856
62
54
54
1
1
0
0
1
0
0
0
0







31
1
12:48
17:36
 17,269
  4,054
   -69,990
48
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 local reference minus GPS satellite time during the block
   (A constant offset over the course of a day is to be expected).

G: Average value of local reference 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.