GPS Space Vehicle Time Integrity for MJD 52681

As viewed from the CSIRO NML system installed at the Physics Dept, University of Western Australia, Perth, Australia
Latitude -31.9787720 degrees, longitude 115.8165830 degrees, height 67.0 metres

ABCDEFGHIJK
PRNBlock
no.		StartEndMeasure-
ments		REF
-GPSSV (ns)		REF
-SV (ns)		Std.Dev.
(ns)		Outliers
> 4 s		Outliers
> 500 ns		Health 
1
1
00:12
07:05
 23,164
 76,425
  -194,772
107
0
0
0
 
2
2
1
2
03:14
18:17
06:14
22:45
  9,913
 15,881
 76,331
 76,018
   139,368
   139,409
35
51
5
0
0
0
0
0
 
3
1
19:13
23:59
 16,154
 76,046
   -28,574
53
20
0
0
 
4
4
1
2
03:04
11:43
07:19
15:13
 14,249
 12,437
 76,349
 76,145
    52,247
    51,917
72
60
1
0
0
0
0
0
 
5
1
10:46
17:52
 25,274
 76,189
    74,792
80
0
0
0
 
6
1
13:30
20:28
 24,795
 76,138
    78,861
86
0
0
0
 
7
7
1
2
01:32
08:33
03:34
13:30
  6,631
 17,626
 76,351
 76,240
  -215,288
  -216,298
90
206
1
0
1
40
0
0
 
8
1
04:06
11:04
 23,951
 76,329
  -120,107
234
0
3
0
 
9
1
09:58
16:18
 22,546
 76,220
   106,616
70
0
0
0
 
10
10
1
2
06:15
15:43
10:45
18:11
 15,990
  8,717
 76,292
 76,068
    56,253
    56,008
72
53
0
0
0
0
0
0
 
11
11
1
2
00:00
22:05
04:22
23:59
 14,958
  5,929
 76,484
 75,945
    41,445
    40,800
94
43
1
0
1
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
01:39
09:00
 24,854
 76,380
    99,187
79
0
0
0
 
14
14
14
1
2
3
00:00
13:10
20:29
01:20
15:42
23:59
  4,795
  9,025
 11,599
 76,437
 76,101
 76,017
   103,501
   103,105
   102,992
59
42
40
1
0
1
0
0
0
0
0
0
 
15
1
16:21
23:22
 24,531
 76,071
     4,942
119
0
0
0
 
16
-
 
 
 
 
 
 
 
 
 
17
1
15:20
21:28
 21,800
 76,111
    60,194
102
0
0
0
 
18
1
17:53
22:50
 17,523
 76,062
    76,935
96
0
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
20
1
2
00:00
06:21
06:16
23:59
 21,054
  2,722
 76,450
 75,923
   284,888
   284,440
73
39
0
0
0
0
0
0
 
21
-
 
 
 
 
 
 
 
 
 
22
-
 
 
 
 
 
 
 
 
 
23
23
1
2
09:17
16:44
11:56
21:24
  9,457
 16,658
 76,187
 76,075
    56,480
    56,355
53
79
0
0
0
0
0
0
 
24
24
24
1
2
3
04:22
06:24
12:14
06:14
07:47
16:30
  5,953
  4,848
 15,188
 76,331
 76,268
 76,156
    68,591
    68,511
    68,326
33
49
68
0
0
0
0
0
0
0
0
0
 
25
25
1
2
00:00
15:22
03:32
19:12
 12,030
 13,609
 76,432
 76,074
    37,122
    36,726
69
60
1
0
0
0
0
0
 
26
1
08:13
13:39
 19,354
 76,255
  -342,816
121
0
0
0
 
27
1
03:33
09:50
 21,555
 76,354
  -507,891
148
0
0
0
 
28
1
06:41
11:52
 18,421
 76,304
   147,454
106
0
0
0
 
29
1
07:26
13:08
 20,198
 76,267
    15,388
131
0
0
0
 
30
1
12:24
19:18
 24,558
 76,166
  -477,816
98
0
0
0
 
31
31
1
2
00:00
20:24
01:52
23:59
  6,616
 11,890
 76,476
 76,021
  -158,576
  -157,470
43
109
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.