GPS Space Vehicle Time Integrity for MJD 52815

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
17:23
23:00
 20,223
  -172
  -291,812
14
23
0
0
 
2
1
17:29
22:31
 18,055
  -167
   138,578
31
0
0
0
 
3
3
1
2
11:48
19:27
14:10
23:42
  8,516
 15,304
  -163
  -148
   -22,133
   -22,218
12
23
9
33
0
0
0
0
 
4
1
01:59
07:13
 18,875
  -159
   -45,425
11
73
0
0
 
5
1
04:06
08:52
 17,169
  -159
   -16,696
63
1
0
0
 
6
1
06:41
11:48
 18,400
  -162
     5,447
12
0
0
0
 
7
1
00:14
05:09
 17,673
  -154
  -546,817
83
0
0
0
 
8
8
1
2
00:00
21:17
03:08
23:59
 11,255
  9,725
  -164
  -160
  -372,262
  -372,984
34
25
0
0
0
0
0
0
 
9
9
1
2
02:24
11:07
06:02
14:03
 13,056
 10,480
  -153
  -154
    50,379
    50,438
7
6
118
38
0
0
0
0
 
10
1
05:28
10:23
 17,677
  -157
   -27,386
12
17
0
0
 
11
11
1
2
00:00
14:31
02:51
17:54
 10,267
 12,158
  -160
  -171
   -53,222
   -53,328
12
16
47
39
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
18:51
23:59
 18,530
  -164
    28,701
6
29
0
0
 
14
1
12:06
17:16
 18,527
  -161
    20,370
9
88
0
0
 
15
1
10:25
15:42
 19,038
  -160
  -126,081
32
0
0
0
 
16
1
16:50
21:45
 17,670
  -164
   -39,372
45
0
0
0
 
17
1
06:56
13:35
 23,917
  -169
   -19,890
21
11
0
0
 
18
1
09:33
15:57
 23,042
  -164
   -12,558
10
130
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
1
16:16
21:02
 17,174
  -166
   213,872
8
35
0
0
 
21
1
07:55
13:13
 19,094
  -161
    12,973
60
0
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
1
13:13
17:08
 14,102
  -168
   -29,608
12
40
0
0
 
24
1
03:17
08:28
 18,652
  -160
   -39,998
28
0
0
0
 
25
1
14:19
19:09
 17,350
  -166
   -46,802
11
27
0
0
 
26
26
1
2
00:28
08:52
02:38
11:07
  7,795
  8,051
  -165
  -164
  -518,845
  -518,938
12
10
27
0
0
0
0
0
 
27
27
1
2
00:00
20:11
02:22
23:59
  8,513
 13,633
  -174
  -156
  -340,563
  -344,551
141
210
1
0
1
0
0
0
 
28
28
1
2
00:00
22:23
05:05
23:59
 18,279
  5,797
  -164
  -145
    30,615
    30,384
24
10
1
10
0
0
0
0
 
29
29
1
2
00:00
07:43
02:22
11:51
  8,417
 14,894
  -162
  -165
  -153,769
  -153,862
13
21
28
1
0
0
0
0
 
30
1
05:11
09:32
 15,663
  -159
  -226,367
205
1
1
0
 
31
31
1
2
13:15
20:25
14:19
23:59
  3,842
 12,874
  -170
  -144
  -286,654
  -287,306
30
89
2
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.