GPS Space Vehicle Time Integrity for MJD 51820

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
11:14
18:13
 25,095
  6,604
  -140,408
117
0
0
0
 
2
1
17:27
23:08
 20,456
  6,929
   285,417
99
0
0
0
 
3
1
05:35
11:37
 21,699
  6,184
   -39,316
126
0
0
0
 
4
4
4
1
2
3
00:00
13:57
22:34
02:11
18:09
23:59
  7,894
 15,164
  5,113
  5,528
  6,666
  7,011
  -461,596
  -461,991
  -462,390
69
81
30
1
1
0
0
0
0
0
0
0
 
5
5
1
2
00:00
21:30
04:51
23:59
 17,457
  8,961
  5,712
  7,007
  -261,741
  -260,550
76
76
1
0
1
0
0
0
 
6
1
00:17
07:29
 25,887
  5,818
     5,852
168
0
0
0
 
7
7
1
2
12:11
19:21
14:29
23:59
  8,307
 16,690
  6,423
  6,972
  -156,386
  -157,447
87
210
1
0
1
0
0
0
 
8
1
15:35
22:07
 23,526
  6,852
  -548,411
176
0
0
0
 
9
9
1
2
00:00
20:35
03:03
23:59
 11,006
 12,284
  5,647
  6,996
    16,345
    17,838
40
117
1
0
1
0
0
0
 
10
10
1
2
02:23
17:03
05:02
21:35
  9,476
 16,269
  5,699
  6,855
   -51,809
   -50,690
75
75
1
0
1
0
0
0
 
11
1
09:16
15:02
 20,754
  6,441
  -619,707
61
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
12:30
19:49
 26,355
  6,694
   835,382
118
0
0
0
 
14
-
 
 
 
 
 
 
 
 
 
15
1
04:41
12:05
 26,677
  6,164
  -859,981
115
0
0
0
 
16
-
 
 
 
 
 
 
 
 
 
17
1
02:10
08:19
 22,065
  5,935
   282,334
146
0
0
0
 
18
-
 
 
 
 
 
 
 
 
 
19
1
13:04
19:08
 21,869
  6,696
  -302,762
73
0
0
0
 
20
1
09:58
17:03
 25,453
  6,526
    59,194
157
0
0
0
 
21
1
05:30
11:23
 21,169
  6,172
   -10,618
97
0
0
0
 
22
22
1
2
04:18
14:30
09:13
15:34
 17,697
  3,856
  6,035
  6,568
  -321,750
  -322,020
72
46
0
0
0
0
0
0
 
23
23
1
2
04:11
21:18
09:17
22:37
 18,332
  4,746
  6,042
  6,875
     5,641
     6,428
100
42
1
0
1
0
0
0
 
24
24
1
2
00:00
15:35
03:29
17:03
 12,519
  5,251
  5,612
  6,677
      -88
      817
47
54
1
0
1
0
0
0
 
25
-
 
 
 
 
 
 
 
 
 
26
1
19:11
23:59
 17,313
  6,983
  -554,197
93
0
0
0
 
27
27
1
2
14:02
17:03
15:34
20:26
  5,520
 12,171
  6,611
  6,820
   -26,104
   -25,924
76
44
0
0
0
0
0
0
 
28
28
28
1
2
3
06:12
08:19
15:03
07:29
10:03
17:27
  4,608
  6,175
  8,638
  6,047
  6,183
  6,663
    31,045
    31,107
    31,383
55
44
47
0
1
0
0
0
0
0
0
0
 
29
29
1
2
00:00
07:29
02:32
12:03
  9,140
 16,420
  5,517
  6,239
  -115,738
  -116,041
58
109
1
1
0
1
0
0
 
30
1
00:00
06:11
 22,273
  5,763
    46,088
162
1
1
0
 
31
1
07:29
12:47
 19,078
  6,282
    -7,129
115
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.