GPS Space Vehicle Time Integrity for MJD 52637

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
05:20
11:15
 21,167
    69
  -264,231
23
18
0
0
 
2
2
1
2
05:38
09:16
09:15
10:52
 12,925
  5,742
    72
    57
    39,469
    39,513
20
10
11
1
0
0
0
0
 
3
3
1
2
00:00
08:01
02:22
11:50
  8,521
 13,557
    69
    75
   -92,466
   -92,558
14
25
15
3
0
0
0
0
 
4
1
14:21
19:59
 20,227
    62
    -5,039
44
3
0
0
 
5
1
16:01
20:53
 17,530
    67
   -48,113
18
49
0
0
 
6
1
18:44
23:52
 18,467
    62
     2,234
9
86
0
0
 
7
1
12:15
17:23
 18,450
    74
  -170,434
198
0
0
0
 
8
1
09:20
15:22
 21,687
    71
  -109,323
165
0
0
0
 
9
9
1
2
01:03
14:39
03:10
18:13
  7,592
 12,812
    68
    59
    23,669
    23,760
9
8
101
88
0
0
0
0
 
10
10
1
2
17:28
21:02
21:01
22:29
 12,784
  5,213
    73
    58
   -17,438
   -17,458
8
6
65
13
0
0
0
0
 
11
11
11
1
2
3
02:46
11:53
12:59
06:08
12:57
15:06
 12,101
  3,727
  7,570
    69
    92
    68
   -30,136
   -30,146
   -30,176
12
14
12
20
7
18
0
0
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
07:07
12:25
 19,078
    73
    20,474
8
102
0
0
 
14
1
00:15
05:39
 19,349
    76
    32,425
20
38
0
0
 
15
15
1
2
00:00
21:25
03:30
23:59
 12,599
  9,258
    70
    63
   -53,329
   -53,683
21
13
28
52
0
0
0
0
 
16
-
 
 
 
 
 
 
 
 
 
17
17
1
2
00:00
20:06
02:36
23:59
  9,336
 14,025
    58
    68
    -9,813
    -9,917
13
11
70
123
0
0
0
0
 
18
18
1
2
00:00
21:46
02:53
23:59
 10,323
  8,017
    68
    65
    10,583
    10,362
13
10
18
0
0
0
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
20
1
2
04:24
15:26
09:13
16:36
 17,331
  4,157
    74
    64
   203,657
   203,695
8
10
129
50
0
0
0
0
 
21
-
 
 
 
 
 
 
 
 
 
22
-
 
 
 
 
 
 
 
 
 
23
23
1
2
00:00
19:27
01:10
23:59
  4,244
 16,335
    51
    69
   -16,309
   -16,366
4
20
16
34
0
0
0
0
 
24
1
15:27
21:13
 20,701
    62
   -81,761
26
32
0
0
 
25
1
02:37
08:17
 20,401
    76
   -37,073
20
145
0
0
 
26
26
26
1
2
3
12:24
20:23
22:40
14:44
22:39
23:59
  8,416
  8,006
  4,753
    77
    70
    59
  -364,818
  -365,279
  -365,397
48
45
26
1
2
0
0
0
0
0
0
0
 
27
1
08:20
14:29
 22,041
    74
  -521,373
161
0
0
0
 
28
1
10:32
15:19
 17,137
    77
    79,934
17
20
0
0
 
29
-
 
 
 
 
 
 
 
 
 
30
30
1
2
04:06
17:29
05:54
21:45
  6,470
 15,369
    67
    54
  -516,502
  -517,250
34
67
14
0
1
0
0
0
 
31
31
1
2
01:21
09:03
02:31
13:11
  4,158
 14,854
    74
    86
  -300,903
  -300,416
21
58
26
0
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.