GPS Space Vehicle Time Integrity for MJD 51806

As viewed from the CSIRO National Measurement Laboratory, Melbourne, Australia
Latitude -37.9068111 degrees, longitude 145.1342769 degrees, height 99.3 metres

ABCDEFGHIJK
PRNBlock
no.
StartEndMeasure-
ments
REF
-GPSSV (ns)
REF
-SV (ns)
Std.Dev.
(ns)
Outliers
> 4 s
Outliers
> 500 ns
Health
1
1
13:12
20:02
 24,626
  -640
  -145,666
32
80
0
0
2
2
1
2
00:00
19:13
01:36
23:59
  5,789
 17,168
  -651
  -639
   271,096
   271,491
28
29
15
65
0
0
0
0
3
1
08:40
12:10
 12,613
  -655
   -42,027
21
437
0
0
4
4
1
2
00:00
15:47
04:06
17:28
 14,733
  6,006
  -646
  -648
  -431,787
  -433,420
154
59
1
1
1
1
0
0
5
1
00:00
06:02
 21,733
  -633
  -266,075
25
557
0
0
6
1
02:27
08:52
 23,076
  -635
     -636
24
595
0
0
7
7
1
2
00:00
20:41
02:25
23:59
  8,637
 11,869
  -658
  -636
   -93,360
   -97,758
151
215
1
0
1
0
0
0
8
1
17:29
23:58
 23,340
  -639
  -515,324
236
0
23
0
9
9
1
2
00:00
22:37
03:47
23:59
 13,669
  4,947
  -637
  -655
     8,003
     8,116
25
22
115
150
0
0
0
0
10
10
1
2
02:26
18:23
06:57
21:22
 16,240
 10,763
  -642
  -663
   -57,549
   -57,604
35
30
27
25
0
0
0
0
11
11
1
2
10:43
21:34
15:46
22:59
 18,130
  4,921
  -640
  -653
  -601,705
  -602,400
110
43
1
26
1
0
0
0
12
-
 
 
 
 
 
 
 
 
 
13
1
15:23
21:32
 22,155
  -649
   829,986
28
112
0
0
14
-
 
 
 
 
 
 
 
 
 
15
1
07:05
13:34
 23,171
  -641
  -861,550
37
4
0
0
16
-
 
 
 
 
 
 
 
 
 
17
17
1
2
03:46
09:32
08:52
10:43
 18,358
  4,220
  -645
  -654
   273,611
   273,624
25
21
421
166
0
0
0
0
18
-
 
 
 
 
 
 
 
 
 
19
1
14:41
21:22
 24,060
  -642
  -296,411
92
0
0
0
20
1
12:21
18:05
 20,655
  -647
    54,695
30
134
0
0
21
1
07:05
13:51
 24,358
  -649
   -16,711
28
179
0
0
22
22
1
2
05:51
13:56
08:40
18:22
 10,119
 15,858
  -639
  -645
  -294,816
  -295,743
85
157
0
0
0
0
0
0
23
1
05:27
11:31
 21,709
  -639
   -16,265
33
39
0
0
24
1
00:02
05:25
 19,368
  -647
    -2,562
50
7
0
0
25
1
11:14
16:29
 18,792
  -643
    -8,986
31
91
0
0
26
26
1
2
05:46
21:23
09:27
23:59
 13,225
  9,411
  -646
  -650
  -557,572
  -557,808
35
23
17
266
0
0
0
0
27
1
19:13
22:45
 12,687
  -640
   -32,010
27
59
0
0
28
28
1
2
07:11
15:02
09:32
19:28
  8,424
 15,997
  -645
  -653
    35,516
    35,190
35
69
13
0
0
0
0
0
29
1
08:55
14:03
 18,395
  -650
   -81,688
201
0
0
0
30
1
01:33
06:57
 19,260
  -641
    37,604
23
531
0
0
31
31
31
1
2
3
09:05
18:06
19:56
12:56
19:13
21:35
 13,821
  3,999
  5,944
  -639
  -623
  -656
   -12,391
   -12,412
   -12,455
21
31
29
460
5
9
0
0
0
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.