GPS Space Vehicle Time Integrity for MJD 52987

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
05:37
11:28
 21,027
   139
  -319,544
21
0
0
0
 
2
1
06:01
11:09
 18,386
   145
   238,833
31
0
0
0
 
3
3
1
2
00:00
07:39
02:24
11:51
  8,681
 15,108
   135
   133
   -69,437
   -69,533
12
18
0
18
0
0
0
0
 
4
1
14:14
19:48
 19,963
   139
    24,792
33
0
0
0
 
5
1
16:10
21:00
 17,447
   137
    -9,251
16
0
0
0
 
6
1
18:55
23:59
 18,297
   139
     2,465
8
11
0
0
 
7
1
12:20
17:28
 18,437
   143
  -643,049
6
80
0
0
 
8
1
09:40
15:37
 21,417
   142
  -395,289
12
4
0
0
 
9
9
9
1
2
3
00:00
01:22
14:28
01:14
02:27
18:11
  4,440
  3,753
 13,393
   151
   136
   139
    21,140
    21,135
    21,224
8
8
6
25
29
20
0
0
0
0
0
0
 
10
1
17:35
22:28
 17,512
   137
   -35,879
11
35
0
0
 
11
11
1
2
02:53
11:28
06:10
15:08
 11,849
 13,174
   131
   141
   -83,193
   -83,257
16
16
0
78
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
07:05
12:25
 19,218
   139
    31,956
8
11
0
0
 
14
1
00:35
05:36
 18,043
   140
    18,508
12
2
0
0
 
15
15
1
2
00:00
22:38
04:14
23:59
 15,264
  4,887
   127
   149
  -198,529
  -198,911
35
9
1
2
0
0
0
0
 
16
1
05:06
10:01
 17,725
   135
   -14,838
15
2
0
0
 
17
1
17:01
22:05
 18,256
   142
   -65,758
121
0
0
0
 
18
18
1
2
00:00
21:47
03:58
23:59
 14,313
  7,923
   131
   145
      363
      516
7
5
63
30
0
0
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
1
04:28
09:15
 17,258
   134
   199,826
18
33
0
0
 
21
21
1
2
00:00
20:16
02:42
23:59
  9,772
 13,383
   137
   144
   -68,291
   -68,357
7
9
1
4
0
0
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
1
00:00
06:01
 21,647
   142
   114,924
251
1
1
0
 
24
1
15:42
20:57
 18,781
   140
   -82,424
20
8
0
0
 
25
1
02:40
07:44
 18,226
   129
   -56,765
14
30
0
0
 
26
26
1
2
12:27
21:01
14:49
23:37
  8,523
  9,351
   137
   148
  -478,667
  -478,403
15
15
1
0
0
0
0
0
 
27
1
08:14
14:24
 22,215
   137
  -848,985
118
0
0
0
 
28
1
10:43
17:20
 23,830
   143
    -8,965
21
0
0
0
 
29
29
29
1
2
3
11:40
19:55
22:06
14:34
21:46
23:59
 10,472
  6,697
  6,791
   133
   155
   124
  -188,329
  -188,556
  -188,660
36
20
28
1
0
0
0
0
0
0
0
0
 
30
30
1
2
04:48
17:34
05:54
21:46
  3,871
 15,125
   131
   140
  -687,794
  -688,841
34
94
1
0
1
0
0
0
 
31
31
1
2
01:26
08:51
02:32
13:27
  3,901
 16,587
   137
   138
  -433,815
  -433,756
5
10
5
288
0
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.