GPS Space Vehicle Time Integrity for MJD 52821

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
16:58
22:36
 20,248
  -197
  -292,766
11
35
0
0
 
2
1
17:04
22:06
 18,091
  -189
   141,990
28
0
0
0
 
3
3
1
2
11:37
19:02
13:46
23:17
  7,703
 15,287
  -196
  -187
   -23,831
   -23,921
13
22
8
7
0
0
0
0
 
4
1
01:34
06:49
 18,891
  -191
   -45,121
10
39
0
0
 
5
1
03:41
08:27
 17,180
  -189
   -21,631
58
1
0
0
 
6
1
06:17
11:36
 19,163
  -193
     5,542
12
0
0
0
 
7
1
00:00
04:44
 17,038
  -184
  -554,377
76
0
0
0
 
8
8
1
2
00:00
20:53
02:43
23:59
  9,800
 11,217
  -191
  -188
  -377,166
  -377,865
33
29
13
0
0
0
0
0
 
9
9
1
2
02:00
10:47
05:37
13:37
 13,045
 10,230
  -188
  -189
    51,305
    51,358
7
6
120
36
0
0
0
0
 
10
1
05:04
09:59
 17,688
  -187
   -27,733
15
20
0
0
 
11
11
11
1
2
3
00:00
14:07
22:45
02:27
17:30
23:59
  8,802
 12,145
  4,455
  -190
  -199
  -186
   -54,163
   -54,266
   -54,301
14
15
8
52
37
25
0
0
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
18:24
23:44
 19,218
  -197
    28,865
7
36
0
0
 
14
1
11:37
16:41
 18,173
  -190
    20,259
10
161
0
0
 
15
1
09:28
14:50
 19,369
  -194
  -128,539
34
11
0
0
 
16
1
16:25
21:19
 17,640
  -195
   -43,177
46
0
0
0
 
17
-
 
 
 
 
 
 
 
 
 
18
1
08:51
15:32
 24,005
  -192
   -12,678
9
39
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
20
1
2
02:55
15:51
04:02
20:37
  3,962
 17,163
  -185
  -194
   213,787
   213,769
14
13
33
132
0
0
0
0
 
21
1
07:28
13:53
 23,134
  -193
     7,638
74
0
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
1
10:15
16:45
 23,375
  -194
   -30,086
15
24
0
0
 
24
1
02:53
08:03
 18,650
  -191
   -41,478
27
0
0
0
 
25
1
13:54
18:44
 17,394
  -202
   -47,229
16
45
0
0
 
26
26
1
2
00:04
07:50
02:13
11:36
  7,762
 13,561
  -191
  -194
  -520,315
  -520,400
12
14
48
1
0
0
0
0
 
27
27
1
2
00:00
19:46
01:57
23:59
  7,046
 15,117
  -201
  -189
  -367,802
  -371,688
116
227
1
0
1
0
0
0
 
28
28
1
2
00:00
21:58
04:40
23:59
 16,827
  7,268
  -191
  -180
    28,868
    28,638
22
12
1
31
0
0
0
0
 
29
29
29
1
2
3
00:00
07:18
22:59
01:57
11:26
23:59
  7,010
 14,916
  3,655
  -192
  -196
  -190
  -155,196
  -155,276
  -155,395
14
18
5
41
1
7
0
0
0
0
0
0
 
30
1
04:46
09:07
 15,690
  -186
  -248,362
200
1
1
0
 
31
1
20:01
23:59
 14,339
  -181
  -298,637
96
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.