GPS Space Vehicle Time Integrity for MJD 53001

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
04:39
10:30
 21,007
   162
  -321,610
21
0
0
0
2
1
05:07
09:49
 16,916
   164
   246,992
30
3
0
0
3
3
3
1
2
3
00:00
06:41
22:40
01:27
10:52
23:59
  5,230
 15,066
  4,774
   166
   170
   153
   -73,024
   -73,106
   -73,273
7
19
7
5
20
6
0
0
0
0
0
0
4
1
13:18
18:52
 20,076
   149
    32,872
32
0
0
0
5
1
15:12
20:02
 17,392
   157
   -11,043
17
26
0
0
6
1
17:54
23:18
 19,467
   150
     2,774
6
28
0
0
7
1
11:23
16:21
 17,870
   161
  -640,602
7
21
0
0
8
1
08:43
14:40
 21,401
   168
  -390,890
17
0
0
0
9
9
1
2
13:32
22:20
17:15
23:59
 13,355
  5,929
   149
   156
    23,280
    23,334
6
6
52
15
0
0
0
0
10
1
16:37
21:19
 16,851
   163
   -36,647
9
16
0
0
11
11
1
2
01:56
10:30
05:13
14:11
 11,824
 13,178
   157
   164
   -86,046
   -86,114
18
17
0
81
0
0
0
0
12
-
 
 
 
 
 
 
 
 
 
13
1
06:11
11:29
 19,080
   158
    31,905
11
1
0
0
14
1
00:00
04:41
 16,857
   169
    18,335
10
10
0
0
15
15
1
2
00:00
21:40
03:18
23:59
 11,881
  8,328
   167
   163
  -204,672
  -205,063
26
11
1
3
0
0
0
0
16
1
04:09
09:05
 17,741
   159
   -15,835
10
23
0
0
17
1
16:01
21:06
 18,319
   153
   -92,860
121
0
0
0
18
18
1
2
00:00
20:50
03:00
23:59
 10,821
 11,354
   161
   157
     2,711
     2,860
7
4
54
32
0
0
0
0
19
-
 
 
 
 
 
 
 
 
 
20
1
03:32
08:19
 17,229
   157
   197,498
17
0
0
0
21
21
1
2
00:00
19:20
01:46
23:59
  6,367
 16,724
   164
   157
   -69,379
   -69,445
5
7
10
28
0
0
0
0
22
-
 
 
 
 
 
 
 
 
 
23
1
00:00
05:06
 18,375
   161
   166,351
219
1
1
0
24
1
14:43
19:58
 18,865
   155
   -85,836
21
0
0
0
25
1
01:41
06:35
 17,619
   168
   -57,576
19
7
0
0
26
26
1
2
11:30
20:03
13:52
23:56
  8,538
 14,013
   157
   152
  -468,432
  -468,141
21
27
1
0
0
0
0
0
27
1
07:15
13:26
 22,232
   160
  -868,293
101
0
0
0
28
1
09:46
16:23
 23,824
   162
   -11,486
23
0
0
0
29
29
29
1
2
3
10:43
18:58
21:07
13:37
20:50
23:06
 10,469
  6,703
  7,196
   158
   167
   148
  -198,677
  -198,893
  -198,977
29
18
24
1
6
0
0
0
0
0
0
0
30
1
16:38
20:50
 15,115
   149
  -712,622
89
0
0
0
31
31
1
2
00:28
07:52
01:35
12:29
  3,976
 16,643
   164
   163
   -21,071
   -22,360
52
194
1
0
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.