GPS Space Vehicle Time Integrity for MJD 52761

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
1
2
00:00
21:01
02:56
23:59
 10,568
 10,703
   -75
   -88
  -283,661
  -283,834
16
12
1
46
0
0
0
0
 
2
2
1
2
00:59
21:15
02:38
23:59
  5,969
  9,888
   -91
   -59
   107,548
   108,067
10
16
4
46
0
0
0
0
 
3
3
1
2
00:00
15:27
03:29
17:51
 12,297
  8,631
   -83
   -80
    -6,357
    -6,547
25
19
32
25
0
0
0
0
 
4
1
05:59
11:15
 18,956
   -71
   -43,559
18
38
0
0
 
5
1
07:42
12:31
 17,357
   -81
   -12,672
22
66
0
0
 
6
1
10:16
15:24
 18,464
   -77
     3,962
6
63
0
0
 
7
1
03:48
08:55
 18,434
   -72
  -464,658
119
0
0
0
 
8
1
00:58
06:58
 21,543
   -80
  -317,090
98
0
0
0
 
9
9
1
2
06:08
16:34
09:44
18:35
 12,948
  7,259
   -74
   -86
    42,146
    42,194
8
10
79
60
0
0
0
0
 
10
10
1
2
09:05
12:40
12:39
14:20
 12,872
  5,974
   -71
   -88
   -24,410
   -24,432
13
5
23
31
0
0
0
0
 
11
-
 
 
 
 
 
 
 
 
 
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
00:00
22:34
03:39
23:59
 13,186
  5,149
   -76
   -74
    26,625
    26,672
8
8
22
40
0
0
0
0
 
14
14
1
2
15:48
19:45
19:44
21:07
 14,162
  4,861
   -78
   -90
    21,823
    21,807
11
7
53
21
0
0
0
0
 
15
1
13:22
19:16
 21,188
   -74
  -103,988
37
30
0
0
 
16
16
1
2
00:00
20:34
01:36
23:59
  5,797
 12,333
   -82
   -70
     2,341
     1,561
18
44
1
0
1
0
0
0
 
17
1
11:21
16:52
 19,836
   -70
   -10,781
17
48
0
0
 
18
1
13:15
18:12
 17,818
   -79
    -9,798
13
16
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
20
1
2
07:01
19:57
08:12
23:59
  4,271
 14,547
   -76
   -77
   213,324
   213,344
8
10
66
59
0
0
0
0
 
21
1
11:46
16:48
 18,101
   -77
    71,824
82
0
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
1
16:49
19:09
  8,311
   -91
   -25,640
8
63
0
0
 
24
1
07:39
12:41
 18,128
   -76
   -26,951
23
16
0
0
 
25
1
18:01
23:36
 20,027
   -81
   -43,463
16
24
0
0
 
26
26
26
1
2
3
04:03
12:32
14:18
06:18
14:10
16:33
  7,947
  5,842
  8,094
   -70
   -72
   -91
  -485,537
  -485,737
  -485,806
29
22
21
16
21
0
0
0
0
0
0
0
 
27
1
00:10
05:00
 17,328
   -69
   -59,056
348
0
2874
0
 
28
1
02:07
06:53
 17,036
   -72
    47,364
26
6
0
0
 
29
29
1
2
03:10
11:37
06:03
15:37
 10,383
 14,273
   -71
   -77
  -130,844
  -131,073
32
43
5
1
0
0
0
0
 
30
30
1
2
08:57
19:35
13:16
21:17
 15,529
  6,144
   -78
   -77
    -7,694
    -9,409
236
97
1
0
1
0
0
0
 
31
31
1
2
00:43
16:49
04:41
17:54
 14,288
  3,774
   -73
   -89
  -165,246
  -166,795
131
37
1
5
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.