GPS Space Vehicle Time Integrity for MJD 52904

As viewed from the Measurement Standards Laboratory, Lower Hutt, New Zealand
Latitude -41.2348000 degrees, longitude 174.9175025 degrees, height 26.2 metres

ABCDEFGHIJK
PRNBlock
no.		StartEndMeasure-
ments		REF
-GPSSV (ns)		REF
-SV (ns)		Std.Dev.
(ns)		Outliers
> 4 s		Outliers
> 500 ns		Health 
1
1
11:20
17:09
 20,968
   -19
  -306,163
20
13
0
0
 
2
1
11:24
16:25
 18,068
   -29
   190,234
30
1
0
0
 
3
3
1
2
05:43
13:20
08:05
17:34
  8,483
 15,215
   -22
   -20
   -46,593
   -46,688
12
22
8
16
0
0
0
0
 
4
4
1
2
00:00
19:50
01:09
23:59
  4,163
 14,955
   -36
   -20
   -29,444
   -29,163
6
8
0
38
0
0
0
0
 
5
5
1
2
00:00
21:58
02:47
23:59
 10,050
  7,311
   -30
   -16
   -49,939
   -49,719
6
7
57
7
0
0
0
0
 
6
1
00:40
05:43
 18,118
   -32
     7,772
9
84
0
0
 
7
1
17:59
23:07
 18,483
   -20
  -626,952
39
0
0
0
 
8
1
15:18
21:15
 21,434
   -31
  -420,431
21
4
0
0
 
9
9
1
2
05:01
20:11
07:52
23:52
 10,203
 13,245
   -17
   -22
     8,112
     8,210
9
7
12
95
0
0
0
0
 
10
1
00:00
04:17
 15,390
   -24
   -31,714
11
0
0
0
 
11
11
1
2
08:30
17:05
11:50
20:46
 11,989
 13,286
   -20
   -20
   -67,751
   -67,814
17
14
23
54
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
12:34
17:58
 19,455
   -27
    31,262
10
69
0
0
 
14
1
06:05
11:06
 18,065
   -19
    20,639
10
51
0
0
 
15
1
04:23
09:48
 19,405
   -24
  -162,757
34
0
0
0
 
16
1
10:44
15:11
 16,048
   -23
   -81,765
24
0
0
0
 
17
1
00:00
06:22
 22,912
   -28
  -216,741
197
1
1
0
 
18
1
03:28
09:44
 22,546
   -23
    -9,703
6
61
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
1
10:03
14:53
 17,434
   -23
   209,846
14
36
0
0
 
21
1
01:54
08:18
 23,017
   -22
   -46,797
39
0
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
23
23
1
2
3
05:00
06:28
09:41
06:04
09:40
11:23
  3,836
 11,535
  6,103
   -14
   -18
   -37
   -36,521
   -36,534
   -36,561
6
10
10
16
37
11
0
0
0
0
0
0
 
24
24
1
2
00:00
21:15
02:33
23:59
  9,069
  9,843
   -27
   -18
   -61,726
   -61,930
11
15
0
95
0
0
0
0
 
25
1
08:17
13:10
 17,578
   -20
   -52,224
14
22
0
0
 
26
26
1
2
02:48
18:13
04:59
20:29
  7,841
  8,142
   -24
   -31
  -518,715
  -518,558
8
10
3
32
0
0
0
0
 
27
1
14:02
20:10
 22,067
   -25
  -671,568
214
0
0
0
 
28
1
16:21
22:58
 23,835
   -24
     7,926
23
0
0
0
 
29
29
29
1
2
3
01:38
03:41
17:18
03:27
05:46
20:13
  6,575
  7,478
 10,524
   -23
   -31
   -32
   -98,222
   -98,357
   -99,175
31
37
51
0
1
0
0
1
0
0
0
0
 
30
30
1
2
00:00
09:55
03:27
11:28
 12,452
  5,612
   -24
   -22
  -506,232
  -507,207
117
59
1
1
1
1
0
0
 
31
31
1
2
07:11
14:27
08:14
19:03
  3,702
 16,527
   -14
   -21
  -406,660
  -406,967
13
49
1
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.