GPS Space Vehicle Time Integrity for MJD 51815

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
11:44
18:33
 24,529
  -842
  -147,100
90
0
0
0
2
1
17:48
23:29
 20,401
  -533
   275,690
103
0
0
0
3
1
05:56
11:57
 21,715
 -1,191
   -45,198
102
0
0
0
4
4
4
1
2
3
00:00
14:18
22:55
02:32
18:30
23:59
  9,157
 15,129
  3,882
 -1,617
  -798
  -446
  -456,246
  -457,030
  -457,429
90
75
48
1
1
0
1
0
0
0
0
0
5
5
1
2
00:00
21:51
05:12
23:59
 18,712
  7,707
 -1,480
  -462
  -268,235
  -267,340
55
75
1
0
1
0
0
0
6
1
00:38
07:51
 25,975
 -1,425
    -1,411
97
0
0
0
7
7
1
2
12:32
19:42
14:42
23:59
  7,815
 15,450
 -1,029
  -485
  -140,365
  -141,453
88
192
1
0
1
0
0
0
8
1
15:56
22:28
 23,485
  -610
  -541,707
175
0
0
0
9
9
1
2
00:00
20:55
03:24
23:59
 12,249
 11,042
 -1,520
  -476
     8,432
     9,600
51
114
1
0
1
0
0
0
10
10
1
2
02:44
17:24
05:22
21:55
  9,485
 16,266
 -1,513
  -614
   -58,813
   -57,938
51
81
1
0
1
0
0
0
11
1
08:59
15:23
 23,036
 -1,011
  -618,241
65
0
0
0
12
-
 
 
 
 
 
 
 
 
 
13
1
13:02
20:21
 26,373
  -758
   828,900
117
0
0
0
14
-
 
 
 
 
 
 
 
 
 
15
1
05:04
12:29
 26,698
 -1,205
  -865,494
78
0
0
0
16
-
 
 
 
 
 
 
 
 
 
17
1
02:30
08:39
 22,088
 -1,357
   274,256
94
0
0
0
18
-
 
 
 
 
 
 
 
 
 
19
19
1
2
13:25
14:52
14:42
19:29
  4,554
 16,636
  -925
  -716
  -305,312
  -305,231
56
56
0
0
0
0
0
0
20
1
10:19
17:23
 25,455
  -917
    52,571
125
0
0
0
21
1
05:51
11:43
 21,161
 -1,193
   -17,729
80
0
0
0
22
22
1
2
04:39
14:43
09:36
15:56
 17,736
  4,356
 -1,303
  -908
  -317,306
  -317,723
97
36
1
0
0
0
0
0
23
-
 
 
 
 
 
 
 
 
 
24
24
1
2
00:00
15:56
03:49
17:23
 13,753
  5,199
 -1,556
  -810
    -5,921
    -5,336
53
41
1
0
1
0
0
0
25
25
1
2
02:53
10:50
06:34
14:51
 13,221
 14,481
 -1,455
 -1,025
   -10,012
    -9,589
69
75
0
0
0
0
0
0
26
1
19:32
23:59
 16,053
  -479
  -560,468
102
0
0
0
27
27
1
2
14:43
17:23
15:56
20:48
  4,357
 12,299
  -816
  -643
   -32,982
   -32,824
53
47
0
0
0
0
0
0
28
28
1
2
06:33
15:23
10:23
17:47
 13,857
  8,636
 -1,242
  -800
    27,505
    27,680
50
31
1
0
0
0
0
0
29
29
1
2
00:18
07:37
02:53
12:23
  9,278
 17,138
 -1,636
 -1,160
  -108,327
  -108,886
76
123
1
0
1
0
0
0
30
1
00:00
06:32
 23,519
 -1,469
    38,116
119
1
1
0
31
1
07:52
13:07
 18,938
 -1,110
   -13,929
97
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.