GPS Space Vehicle Time Integrity for MJD 51942

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
05:15
10:50
 20,010
-18,234
  -181,616
26
49
0
0
 
2
1
10:50
16:58
 22,026
-18,235
   315,956
31
10
0
0
 
3
3
3
1
2
3
00:00
07:04
22:40
01:54
11:05
23:59
  6,838
 14,471
  4,757
-18,210
-18,225
-18,264
   -18,592
   -18,696
   -18,897
22
24
13
95
106
61
0
0
0
0
0
0
 
4
1
13:59
19:15
 18,880
-18,245
  -685,919
72
0
0
0
 
5
1
15:39
20:30
 17,376
-18,250
  -303,093
33
24
0
0
 
6
1
18:04
23:36
 19,873
-18,254
   -18,142
19
408
0
0
 
7
1
11:38
17:49
 22,213
-18,237
  -553,398
129
0
0
0
 
8
1
09:21
14:55
 19,996
-18,231
  -796,079
73
0
0
0
 
9
9
9
1
2
3
00:00
13:58
22:45
02:23
17:40
23:59
  8,577
 13,290
  4,439
-18,213
-18,248
-18,245
    11,127
    11,181
    11,234
19
30
12
157
5
61
0
0
0
0
0
0
 
10
1
17:06
22:24
 18,939
-18,250
   -81,924
24
228
0
0
 
11
11
1
2
02:05
10:50
05:42
14:22
 12,965
 12,699
-18,220
-18,226
   -19,240
   -19,252
26
25
82
1
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
06:22
11:46
 19,376
-18,228
   -18,118
14
227
0
0
 
14
14
1
2
00:00
22:52
04:56
23:59
 17,711
  4,012
-18,214
-18,251
    70,257
    70,250
23
20
113
87
0
0
0
0
 
15
-
 
 
 
 
 
 
 
 
 
16
-
 
 
 
 
 
 
 
 
 
17
17
1
2
00:00
19:34
02:05
23:59
  7,543
 15,918
-18,225
-18,242
   278,149
   278,251
20
18
190
492
0
0
0
0
 
18
-
 
 
 
 
 
 
 
 
 
19
19
1
2
06:20
08:48
08:06
12:53
  6,321
 14,639
-18,209
-18,229
  -438,986
  -439,148
23
55
0
0
0
0
0
0
 
20
20
1
2
04:00
15:01
08:48
16:03
 17,193
  3,674
-18,220
-18,238
    36,572
    36,594
14
45
271
0
0
0
0
0
 
21
21
1
2
00:00
22:42
05:15
23:59
 18,840
  4,645
-18,220
-18,229
   -18,575
   -18,609
28
12
30
61
0
0
0
0
 
22
1
04:31
09:39
 18,452
-18,231
  -544,945
73
0
0
0
 
23
23
23
1
2
3
00:00
02:08
20:41
02:05
03:10
23:59
  7,529
  3,712
 11,913
-18,221
-18,228
-18,250
   -25,305
   -25,319
   -25,376
20
38
23
172
0
286
0
0
0
0
0
0
 
24
1
15:00
20:50
 20,936
-18,249
   -44,413
37
0
0
0
 
25
25
1
2
02:02
05:54
05:53
07:40
 13,833
  6,379
-18,217
-18,233
   -29,335
   -29,353
27
14
108
148
0
0
0
0
 
26
26
1
2
11:58
19:47
14:14
23:59
  8,178
 15,112
-18,229
-18,244
  -313,360
  -314,201
70
125
1
0
1
0
0
0
 
27
27
1
2
08:06
10:03
09:20
13:53
  4,452
 13,770
-18,207
-18,222
   -28,376
   -28,405
5
25
7
14
0
0
0
0
 
28
1
05:36
11:02
 19,440
-18,225
   -35,542
17
308
0
0
 
29
29
1
2
00:00
02:06
02:04
06:11
  7,457
 14,627
-18,205
-18,224
  -426,088
  -426,343
49
99
0
1
0
1
0
0
 
30
30
1
2
03:38
16:52
05:15
21:13
  5,791
 15,612
-18,222
-18,252
   -12,100
   -12,053
12
19
63
469
0
0
0
0
 
31
31
31
1
2
3
00:53
08:06
11:29
02:04
10:50
12:49
  4,279
  9,777
  4,830
-18,210
-18,217
-18,238
   -47,083
   -47,136
   -47,172
16
13
29
133
60
0
0
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.