GPS Space Vehicle Time Integrity for MJD 52250

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
05:46
12:43
 25,001
194,646
   -11,899
129
0
0
0
2
1
10:57
16:11
 18,805
194,985
   312,397
146
0
0
0
3
1
00:33
05:45
 18,729
194,187
   104,421
139
0
0
0
4
4
1
2
08:27
17:09
12:44
20:37
 15,391
 12,418
194,723
195,312
  -192,598
  -191,181
221
158
1
0
85
0
0
0
5
1
16:12
23:03
 24,699
195,434
  -131,392
129
0
0
0
6
6
1
2
00:00
18:44
02:02
23:59
  7,361
 18,957
193,946
195,554
   195,512
   197,146
47
136
1
0
1
0
0
0
7
7
1
2
06:56
14:00
09:03
18:55
  7,620
 17,687
194,471
195,190
  -434,478
  -434,406
36
62
0
0
0
0
0
0
8
1
09:45
16:49
 25,355
194,967
  -451,773
86
0
0
0
9
1
15:28
21:46
 22,698
195,356
   215,485
160
0
0
0
10
10
1
2
11:42
21:10
16:15
23:43
 16,383
  9,206
194,999
195,532
   180,184
   180,698
108
52
0
0
0
0
0
0
11
1
03:54
09:27
 20,013
194,466
   188,523
148
0
0
0
12
-
 
 
 
 
 
 
 
 
 
13
1
07:08
14:29
 26,456
194,767
   202,866
161
0
0
0
14
14
1
2
02:05
18:56
06:59
21:09
 17,653
  7,978
194,274
195,354
   311,983
   312,954
102
45
1
0
1
0
0
0
15
15
1
2
00:00
21:47
04:19
23:59
 15,550
  7,947
194,080
195,678
    80,422
    81,709
49
75
1
0
1
0
0
0
16
-
 
 
 
 
 
 
 
 
 
17
17
1
2
00:48
20:56
02:04
23:59
  4,550
 10,946
193,999
195,648
  -230,570
  -232,709
69
69
0
0
0
0
0
0
18
1
00:00
04:04
 14,623
194,072
   269,859
66
1
1
0
19
-
 
 
 
 
 
 
 
 
 
20
1
04:31
11:41
 25,799
194,564
   314,557
189
0
0
0
21
1
00:33
05:40
 18,447
194,181
   189,027
106
0
0
0
22
22
1
2
00:00
09:04
03:49
10:56
 13,704
  6,733
194,067
194,610
  -293,867
  -294,185
63
53
1
1
0
0
0
0
23
23
23
1
2
3
00:49
14:29
22:03
02:28
17:19
23:59
  5,975
 10,202
  6,971
193,969
195,090
195,636
   191,868
   192,944
   193,468
37
65
77
1
1
0
1
0
0
0
0
0
24
24
1
2
09:54
17:43
11:41
22:03
  6,451
 15,555
194,704
195,398
   183,466
   184,080
66
74
0
0
0
0
0
0
25
25
1
2
05:04
20:57
09:07
23:59
 14,562
 10,952
194,445
195,568
   174,046
   175,157
85
87
1
0
1
0
0
0
26
1
13:50
19:12
 19,325
195,205
   204,087
163
0
0
0
27
1
08:43
15:08
 23,111
194,856
   190,564
125
0
0
0
28
1
12:05
17:19
 18,776
195,086
   239,685
112
0
0
0
29
1
03:09
08:13
 18,232
194,385
  -400,700
135
0
0
0
30
1
17:48
23:03
 18,898
195,486
    28,056
127
0
0
0
31
1
02:03
07:19
 18,945
194,306
   114,891
139
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.