GPS Space Vehicle Time Integrity for MJD 52674

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
02:56
08:47
 20,961
    88
  -270,197
16
55
0
0
 
2
2
1
2
03:10
06:48
06:47
08:26
 13,018
  5,835
    87
    78
    59,358
    59,409
22
12
15
2
0
0
0
0
 
3
3
1
2
07:11
20:54
09:20
23:46
  7,713
 10,346
    87
    89
  -102,502
  -102,661
10
17
3
25
0
0
0
0
 
4
1
11:45
17:22
 20,205
    85
   -21,519
42
3
0
0
 
5
1
13:27
18:21
 17,595
    82
      -54
29
87
0
0
 
6
1
16:08
21:17
 18,566
    85
     2,646
7
94
0
0
 
7
1
09:48
14:55
 18,458
    94
  -274,464
173
0
0
0
 
8
1
06:45
12:48
 21,797
    94
  -183,558
145
0
0
0
 
9
9
1
2
12:07
22:28
15:41
23:59
 12,844
  5,461
    80
    86
    29,416
    29,482
7
7
27
27
0
0
0
0
 
10
10
1
2
14:57
18:32
18:30
20:09
 12,794
  5,814
    84
    70
   -19,555
   -19,575
12
5
73
24
0
0
0
0
 
11
11
1
2
00:14
10:27
03:37
12:34
 12,165
  7,635
    68
    87
   -34,182
   -34,210
15
12
44
91
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
04:36
09:54
 19,068
    87
    22,524
6
143
0
0
 
14
14
14
1
2
3
00:00
01:45
21:35
01:44
03:06
23:59
  6,237
  4,884
  8,674
    74
    66
   101
    27,891
    27,875
    27,816
8
9
12
22
46
44
0
0
0
0
0
0
 
15
15
1
2
00:00
19:06
01:04
23:59
  3,848
 17,583
    73
    80
   -67,934
   -68,263
15
24
38
0
0
0
0
0
 
16
-
 
 
 
 
 
 
 
 
 
17
1
19:06
23:59
 17,550
    84
   -14,845
9
146
0
0
 
18
1
19:00
23:59
 17,997
    88
     2,274
14
55
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
20
1
2
01:55
12:57
06:43
14:07
 17,270
  4,210
    78
    88
   207,843
   207,892
9
10
163
64
0
0
0
0
 
21
-
 
 
 
 
 
 
 
 
 
22
-
 
 
 
 
 
 
 
 
 
23
1
17:38
23:38
 21,639
    83
   -19,150
10
236
0
0
 
24
1
12:53
18:39
 20,656
    83
    -6,085
29
5
0
0
 
25
1
00:02
05:42
 20,352
    74
   -38,848
13
38
0
0
 
26
26
1
2
09:55
17:45
12:13
20:09
  8,250
  8,623
    87
    89
  -411,193
  -411,562
33
34
2
0
0
0
0
0
 
27
1
05:51
11:11
 19,145
    91
  -578,078
68
0
0
0
 
28
1
08:01
12:48
 17,191
   100
    72,820
17
42
0
0
 
29
29
1
2
09:10
19:52
11:59
21:37
 10,164
  6,226
    81
    77
   -52,511
   -53,033
42
28
1
0
0
0
0
0
 
30
30
1
2
01:19
14:57
03:22
19:07
  7,306
 15,039
    70
    73
  -549,702
  -550,074
23
40
35
0
0
0
0
0
 
31
31
1
2
06:40
22:47
10:38
23:54
 14,255
  3,925
    90
    79
  -246,440
  -245,420
74
25
1
3
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 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.