GPS Space Vehicle Time Integrity for MJD 53518

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
14:03
20:10
 21,888
   -30
  -405,494
19
3
0
0
 
2
2
1
2
03:21
07:29
07:28
09:12
 14,795
  6,180
   -17
   -31
    25,734
    25,721
8
6
18
20
0
0
0
0
 
3
3
1
2
11:55
19:20
14:02
22:00
  7,510
  9,554
   -38
   -11
    -4,355
    -4,420
14
14
12
18
0
0
0
0
 
4
1
01:55
07:30
 20,049
   -23
  -192,804
131
0
0
0
 
5
1
03:45
08:38
 17,543
   -22
  -102,129
27
3
0
0
 
6
1
06:29
11:55
 19,550
   -29
  -560,457
258
0
0
0
 
7
1
00:00
05:01
 18,053
   -20
  -129,875
142
0
0
0
 
8
1
00:00
03:17
 11,786
   -26
    30,254
6
63
0
0
 
9
9
1
2
02:25
11:01
05:59
14:23
 12,851
 12,063
   -16
   -21
    45,205
    45,260
6
7
27
57
0
0
0
0
 
10
10
1
2
05:43
08:49
08:48
09:56
 11,081
  4,058
   -25
   -39
   -64,343
   -64,367
11
6
3
4
0
0
0
0
 
11
11
1
2
00:00
14:36
02:48
17:44
  9,953
 11,270
   -21
   -28
  -229,696
  -229,912
19
17
46
0
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
18:48
22:00
 11,487
   -18
      649
6
34
0
0
 
14
1
12:23
17:05
 16,861
   -25
    29,493
9
53
0
0
 
15
1
10:00
15:12
 18,625
   -26
  -437,493
38
3
0
0
 
16
1
16:51
21:50
 17,890
   -23
    -2,961
9
1
0
0
 
17
-
 
 
 
 
 
 
 
 
 
18
1
09:06
14:18
 18,716
   -24
   158,145
15
18
0
0
 
19
19
1
2
12:23
20:14
14:35
22:00
  7,904
  6,328
   -30
    -5
    21,372
    21,416
5
5
24
25
0
0
0
0
 
20
1
16:12
20:58
 17,136
   -25
    64,830
17
0
0
0
 
21
1
08:00
14:18
 22,632
   -26
  -105,308
18
2
0
0
 
22
22
1
2
10:29
13:12
12:22
17:07
  6,824
 14,054
   -20
   -25
   -24,069
   -24,087
5
10
18
13
0
0
0
0
 
23
1
17:45
22:00
 15,314
   -21
  -195,510
9
65
0
0
 
24
24
1
2
00:45
17:07
05:07
18:39
 15,722
  5,506
   -16
   -34
   -20,166
   -20,337
23
11
0
0
0
0
0
0
 
25
1
14:19
19:07
 17,279
   -25
   -94,006
14
16
0
0
 
26
26
1
2
00:16
08:08
02:36
12:45
  8,389
 16,595
   -25
   -32
   -23,268
   -23,285
9
11
57
61
0
0
0
0
 
27
-
 
 
 
 
 
 
 
 
 
28
1
00:00
04:58
 17,835
   -23
   -45,894
10
35
0
0
 
29
29
1
2
00:00
07:46
02:22
12:00
  8,466
 15,236
   -26
   -28
   -74,045
   -74,933
73
133
1
0
1
0
0
0
 
30
30
1
2
05:17
15:49
09:32
17:15
 15,321
  5,151
   -31
   -26
  -214,232
  -214,938
103
35
1
2
1
0
0
0
 
31
-
 
 
 
 
 
 
 
 
 
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.