GPS Space Vehicle Time Integrity for MJD 51999

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
01:20
07:00
 20,306
 -4,012
  -174,847
27
53
0
0
 
2
1
06:42
13:05
 22,905
 -4,030
   356,332
37
0
0
0
 
3
3
1
2
03:10
18:47
07:12
20:46
 14,355
  7,127
 -4,023
 -4,039
   -20,357
   -20,541
34
16
18
54
0
0
0
0
 
4
1
09:50
15:22
 19,832
 -4,030
  -705,065
42
0
0
0
 
5
1
11:50
16:39
 17,328
 -4,025
  -297,106
29
2
0
0
 
6
1
14:11
19:43
 19,829
 -4,048
    -3,691
22
0
0
0
 
7
1
07:58
13:56
 21,321
 -4,031
  -587,497
32
0
0
0
 
8
1
04:59
11:00
 21,645
 -4,028
   -64,138
306
0
1113
0
 
9
9
1
2
10:09
19:05
13:49
22:00
 13,103
 10,516
 -4,017
 -4,039
    34,011
    34,050
26
5
6
15
0
0
0
0
 
10
1
13:20
18:40
 19,191
 -4,038
    -5,821
31
0
0
0
 
11
11
1
2
00:00
07:01
01:50
10:34
  6,565
 12,719
 -4,032
 -4,027
    -5,615
    -5,621
33
22
0
31
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
02:32
07:55
 19,228
 -4,011
    -3,167
23
126
0
0
 
14
14
1
2
00:00
19:43
02:01
22:00
  7,239
  8,153
 -4,035
 -4,037
    94,082
    94,259
32
8
1
12
0
0
0
0
 
15
-
 
 
 
 
 
 
 
 
 
16
-
 
 
 
 
 
 
 
 
 
17
1
15:42
22:00
 22,638
 -4,049
   301,223
18
474
0
0
 
18
1
17:02
22:00
 17,883
 -4,036
    40,544
64
0
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
1
00:02
04:52
 17,290
 -4,022
    58,513
23
77
0
0
 
21
21
1
2
00:00
18:46
01:20
22:00
  4,775
 11,589
 -4,027
 -4,032
    -6,028
    -6,050
39
8
0
55
0
0
0
0
 
22
1
00:42
05:47
 18,257
 -4,029
  -574,711
44
0
0
0
 
23
1
16:46
23:11
 23,109
 -4,040
   -14,476
31
66
0
0
 
24
1
11:24
17:03
 20,307
 -4,035
   -43,774
38
0
0
0
 
25
25
25
1
2
3
00:00
01:59
22:05
01:58
03:45
23:59
  7,065
  6,342
  6,821
 -4,032
 -4,035
 -4,039
   -16,505
   -16,510
   -16,521
32
15
27
0
140
45
0
0
0
0
0
0
 
26
26
1
2
08:03
15:53
10:21
20:28
  8,208
 16,460
 -4,033
 -4,032
  -411,636
  -412,275
60
109
1
0
0
0
0
0
 
27
1
03:48
10:03
 22,398
 -4,021
   -20,057
35
0
0
0
 
28
1
01:58
07:21
 19,310
 -4,031
   -17,016
22
126
0
0
 
29
29
1
2
00:00
20:47
02:33
22:00
  9,188
  4,381
 -4,037
 -4,044
  -501,105
  -502,206
52
17
1
0
1
0
0
0
 
30
30
1
2
00:00
13:04
01:24
17:23
  5,059
 15,497
 -4,033
 -4,033
     9,683
     9,759
38
28
0
6
0
0
0
0
 
31
31
1
2
04:15
20:47
08:51
22:00
 16,526
  4,379
 -4,022
 -4,043
   -41,233
   -41,347
34
6
5
5
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.