GPS Space Vehicle Time Integrity for MJD 51812

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
11:57
18:45
 24,526
211,573
    65,768
116
0
0
0
2
1
18:00
23:41
 20,437
211,956
   486,836
112
0
0
0
3
1
06:38
12:10
 19,924
211,168
   168,040
101
0
0
0
4
4
1
2
00:00
14:30
02:45
18:42
  9,914
 15,124
210,603
211,641
  -236,319
  -236,939
77
73
1
1
1
0
0
0
5
5
1
2
00:00
22:04
05:24
23:59
 19,482
  6,950
210,764
212,028
   -55,504
   -54,376
83
68
1
0
1
0
0
0
6
1
00:51
08:01
 25,807
210,869
   210,868
133
0
0
0
7
7
1
2
12:45
19:54
14:55
23:59
  7,800
 14,698
211,374
212,005
    86,453
    85,443
85
172
1
0
1
0
0
0
8
1
16:09
22:40
 23,484
211,859
  -320,545
160
0
0
0
9
9
1
2
00:00
21:08
03:36
23:59
 12,995
 10,297
210,717
212,014
   220,241
   221,658
54
106
1
0
1
0
0
0
10
10
1
2
02:56
17:36
05:34
22:07
  9,487
 16,271
210,790
211,868
   153,621
   154,675
63
90
1
0
1
0
0
0
11
1
09:49
15:35
 20,750
211,399
  -400,470
62
0
0
0
12
-
 
 
 
 
 
 
 
 
 
13
1
13:21
20:40
 26,375
211,694
  1,041,793
142
0
0
0
14
-
 
 
 
 
 
 
 
 
 
15
1
05:25
12:43
 26,271
211,131
  -652,023
96
0
0
0
16
-
 
 
 
 
 
 
 
 
 
17
1
02:42
08:51
 22,119
210,946
   486,093
108
0
0
0
18
-
 
 
 
 
 
 
 
 
 
19
19
1
2
13:37
15:04
14:55
19:41
  4,598
 16,645
211,482
211,740
   -89,980
   -89,846
60
55
0
0
0
0
0
0
20
1
10:31
17:35
 25,447
211,485
   265,545
153
0
0
0
21
1
06:46
11:56
 18,572
211,158
   194,791
69
0
0
0
22
22
1
2
04:51
14:55
09:48
16:08
 17,805
  4,368
211,018
211,518
   -97,824
   -98,152
92
41
0
0
0
0
0
0
23
23
1
2
04:44
21:51
09:50
23:09
 18,336
  4,703
211,033
211,927
   195,132
   195,996
77
45
1
0
1
0
0
0
24
24
1
2
00:00
16:09
04:01
17:35
 14,498
  5,182
210,675
211,635
   207,138
   207,929
65
60
1
0
1
0
0
0
25
25
1
2
03:06
11:02
06:12
15:03
 11,205
 14,481
210,849
211,366
   202,361
   202,872
82
92
0
0
0
0
0
0
26
26
1
2
00:00
19:45
01:12
23:59
  4,322
 15,295
210,571
212,011
  -348,291
  -347,123
48
102
1
0
1
0
0
0
27
27
1
2
14:55
17:36
16:08
21:02
  4,367
 12,365
211,616
211,844
   179,741
   179,955
63
43
0
0
0
0
0
0
28
28
28
1
2
3
06:26
08:51
15:36
08:01
10:36
17:59
  5,652
  6,265
  8,635
210,990
211,121
211,639
   242,179
   242,225
   242,503
53
50
51
0
1
0
0
0
0
0
0
0
29
29
1
2
00:30
08:01
03:05
12:35
  9,284
 16,357
210,605
211,189
   112,772
   112,302
58
108
1
0
0
0
0
0
30
1
00:00
06:37
 23,830
210,792
   249,936
163
0
0
0
31
1
08:01
13:19
 19,094
211,240
   198,768
119
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.