GPS Space Vehicle Time Integrity for MJD 54001

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
1
2
04:37
10:13
09:50
11:17
 18,730
  3,768
   -21
   -32
   -78,348
   -78,388
16
10
11
0
0
0
0
0
 
2
1
18:04
22:00
 14,136
   -27
   -37,896
20
6
0
0
 
3
3
3
1
2
3
02:55
10:13
12:11
04:58
12:10
14:27
  7,311
  6,978
  8,154
   -36
   -22
   -34
  -155,743
  -157,623
  -158,190
161
146
177
1
0
0
1
0
0
0
0
0
 
4
1
16:49
21:48
 17,835
   -26
  -314,417
32
0
0
0
 
5
1
18:45
22:00
 11,675
   -26
  -351,132
33
0
0
0
 
6
1
00:00
02:55
 10,504
   -42
  -592,624
11
1
0
0
 
7
1
00:33
03:28
 10,528
   -24
  -523,544
9
1
0
0
 
8
1
12:45
18:09
 19,445
   -34
    80,628
7
72
0
0
 
9
9
1
2
01:59
17:06
03:02
20:49
  3,746
 13,367
   -24
   -35
   -37,286
   -37,390
8
9
16
48
0
0
0
0
 
10
10
1
2
00:00
20:41
01:10
22:00
  4,171
  4,753
   -39
   -13
   -90,097
   -90,120
6
4
25
23
0
0
0
0
 
11
11
11
1
2
3
05:40
13:46
15:41
08:39
14:50
17:48
 10,727
  3,862
  7,620
   -34
   -27
   -36
  -351,712
  -351,757
  -351,783
14
13
14
21
56
49
0
0
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
09:42
11:46
11:17
15:05
  5,735
 11,920
   -20
   -33
   -96,893
   -96,943
7
20
52
0
0
0
0
0
 
14
1
02:55
07:53
 17,857
   -26
     4,970
9
9
0
0
 
15
-
 
 
 
 
 
 
 
 
 
16
1
07:55
12:55
 17,984
   -25
   -75,706
26
1
0
0
 
17
1
14:57
19:50
 17,615
   -33
   -94,955
7
76
0
0
 
18
1
00:00
05:16
 18,902
   -28
   249,507
7
176
0
0
 
19
19
1
2
03:29
11:18
05:39
15:37
  7,791
 15,492
   -31
   -27
   -18,065
   -18,165
14
24
11
5
0
0
0
0
 
20
1
07:14
11:59
 17,084
   -28
    22,353
11
21
0
0
 
21
1
00:00
05:29
 19,727
   -32
   -53,915
19
0
0
0
 
22
1
01:36
08:13
 23,795
   -31
  -136,465
27
1
0
0
 
23
1
08:14
14:05
 21,101
   -26
  -138,107
12
73
0
0
 
24
-
 
 
 
 
 
 
 
 
 
25
1
05:30
10:39
 18,514
   -22
  -345,416
115
0
0
0
 
26
26
26
1
2
3
00:00
15:05
16:29
02:55
16:15
17:33
 10,503
  4,151
  3,810
   -32
   -32
   -44
   264,892
   265,654
   265,714
41
19
15
0
1
9
0
0
0
0
0
0
 
27
1
11:18
17:06
 20,765
   -36
   -69,342
24
0
0
0
 
28
1
13:07
19:45
 23,850
   -28
   -18,111
6
70
0
0
 
29
29
1
2
00:44
14:42
03:12
17:21
  8,862
  9,505
   -40
   -40
    25,205
    22,434
146
157
1
0
1
0
0
0
 
30
1
20:13
22:00
  6,423
   -28
   -11,011
5
9
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.