GPS Space Vehicle Time Integrity for MJD 52993

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
05:12
11:03
 21,037
   163
  -320,415
23
0
0
0
 
2
1
05:38
10:11
 16,406
   175
   242,306
23
14
0
0
 
3
3
1
2
00:00
07:14
02:00
11:26
  7,205
 15,091
   155
   170
   -70,988
   -71,064
13
20
0
2
0
0
0
0
 
4
1
13:50
19:07
 19,010
   164
    28,197
28
0
0
0
 
5
1
15:46
20:35
 17,322
   157
   -10,018
16
11
0
0
 
6
1
18:30
22:00
 12,618
   160
     2,603
6
40
0
0
 
7
1
11:56
17:04
 18,435
   171
  -642,161
5
40
0
0
 
8
1
09:16
15:13
 21,373
   174
  -393,513
16
5
0
0
 
9
9
1
2
00:52
14:04
02:03
17:47
  4,107
 13,380
   164
   163
    22,034
    22,126
7
8
26
14
0
0
0
0
 
10
1
17:10
22:00
 17,407
   171
   -36,187
12
24
0
0
 
11
11
1
2
02:28
11:03
05:45
14:44
 11,834
 13,117
   160
   171
   -84,366
   -84,430
15
18
0
62
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
06:43
12:01
 19,108
   164
    31,970
12
2
0
0
 
14
1
00:11
05:13
 18,110
   170
    18,441
8
5
0
0
 
15
1
00:00
03:50
 13,807
   160
  -201,168
28
0
0
0
 
16
1
04:42
09:38
 17,745
   168
   -15,311
14
1
0
0
 
17
1
16:34
21:39
 18,294
   161
   -77,449
123
0
0
0
 
18
1
00:00
03:34
 12,821
   156
     1,361
6
59
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
1
04:04
08:51
 17,228
   167
   198,876
20
0
0
0
 
21
21
1
2
00:00
19:52
02:18
22:00
  8,307
  7,641
   158
   162
   -68,774
   -68,828
10
5
0
22
0
0
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
1
00:00
05:37
 20,221
   168
   136,647
244
0
0
0
 
24
1
15:17
20:31
 18,812
   163
   -83,861
22
19
0
0
 
25
1
02:15
07:08
 17,597
   162
   -57,085
11
15
0
0
 
26
26
1
2
12:02
20:36
14:25
22:00
  8,513
  5,011
   170
   171
  -474,361
  -474,114
18
12
1
0
0
0
0
0
 
27
1
07:49
13:59
 22,211
   171
  -857,605
109
0
0
0
 
28
1
10:19
16:56
 23,824
   167
   -10,054
22
0
0
0
 
29
29
1
2
11:15
19:31
14:10
21:22
 10,394
  6,690
   173
   183
  -192,887
  -193,117
31
22
1
0
0
0
0
0
 
30
1
17:10
21:22
 15,117
   153
  -699,255
93
0
0
0
 
31
31
1
2
01:01
08:25
02:07
13:02
  3,980
 16,601
   158
   166
    -4,415
    -5,729
52
197
1
0
1
0
0
0
 
32
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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.