GPS Space Vehicle Time Integrity for MJD 51810

As viewed from the Singapore Productivity and Standards Board
Latitude 1.2919490 degrees, longitude 103.7855042 degrees, height 67.1 metres

ABCDEFGHIJK
PRNBlock
no.		StartEndMeasure-
ments		UTC(PSB)
-GPSSV (ns)		UTC(PSB)
-SV (ns)		Std.Dev.
(ns)		Outliers
> 4 s		Outliers
> 500 ns		Health 
1
1
10:31
16:09
 20,292
 -2,024
  -147,534
10
0
0
0
 
2
1
16:10
21:59
 20,919
 -2,031
   271,901
26
0
0
0
 
3
1
07:33
13:35
 21,734
 -2,023
   -44,597
40
0
0
0
 
4
1
15:38
22:00
 22,927
 -2,023
  -445,619
217
0
0
0
 
5
5
1
2
00:00
20:34
06:15
22:00
 22,491
  5,123
 -2,043
 -2,028
  -268,030
  -268,116
5
14
15
38
0
0
0
0
 
6
6
1
2
00:00
06:15
06:06
07:32
 21,962
  4,575
 -2,045
 -2,018
    -2,059
    -2,034
8
5
212
4
0
0
0
0
 
7
1
14:24
22:00
 27,375
 -2,025
  -118,082
456
0
10089
0
 
8
8
1
2
14:24
16:10
15:37
20:18
  4,404
 14,855
 -2,044
 -2,016
  -528,006
  -528,377
42
140
0
0
0
0
0
0
 
9
9
1
2
00:00
20:23
04:39
22:00
 16,724
  5,829
 -2,035
 -2,021
     7,198
     7,335
16
12
1
0
0
0
0
0
 
10
1
18:47
22:00
 11,568
 -2,024
   -59,135
11
0
0
0
 
11
1
10:57
16:52
 21,254
 -2,022
  -610,370
135
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
12:20
14:59
14:56
21:33
  9,367
 23,628
 -2,041
 -2,021
   828,307
   828,308
6
21
12
0
0
0
0
0
 
14
-
 
 
 
 
 
 
 
 
 
15
15
1
2
03:56
10:55
10:40
12:19
 24,234
  5,086
 -2,019
 -2,027
  -864,388
  -864,467
26
20
0
0
0
0
0
0
 
16
-
 
 
 
 
 
 
 
 
 
17
1
01:07
06:54
 20,838
 -2,022
   272,791
15
32
0
0
 
18
-
 
 
 
 
 
 
 
 
 
19
1
13:36
16:09
  9,229
 -2,029
  -301,576
23
0
0
0
 
20
1
09:00
18:46
 35,123
 -2,014
    52,459
28
0
0
0
 
21
1
04:39
10:08
 19,700
 -2,021
   -18,284
7
10
0
0
 
22
22
1
2
06:06
10:55
10:40
11:57
 16,389
  3,746
 -2,015
 -2,044
  -306,090
  -306,425
142
37
0
0
0
0
0
0
 
23
1
00:00
08:27
 30,429
 -2,035
   -17,833
8
141
0
0
 
24
24
1
2
00:00
16:57
02:34
22:00
  9,245
 17,945
 -2,055
 -2,024
    -5,036
    -5,216
12
30
1
0
0
0
0
0
 
25
25
1
2
04:39
06:15
06:06
13:15
  5,197
 25,091
 -2,019
 -2,037
   -10,449
   -10,472
8
12
0
0
0
0
0
0
 
26
1
00:00
02:54
 10,455
 -2,042
  -560,271
10
1
0
0
 
27
27
1
2
13:16
15:38
14:23
18:59
  4,036
 12,076
 -2,058
 -2,019
   -33,704
   -33,677
8
9
8
2
0
0
0
0
 
28
28
1
2
07:33
13:16
10:54
14:23
 12,066
  4,036
 -2,018
 -2,060
    30,743
    30,542
39
14
1
0
0
0
0
0
 
29
29
1
2
02:34
08:26
07:32
10:29
 17,870
  7,411
 -2,033
 -2,019
   -94,308
   -94,842
178
69
0
0
0
0
0
0
 
30
1
00:43
04:39
 14,151
 -2,045
    36,796
12
0
0
0
 
31
1
10:49
14:55
 14,725
 -2,041
   -14,264
16
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 UTC(PSB) minus GPS satellite time during the block (A constant offset over the course of a day is to be expected).
G: Average value of UTC(PSB) 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.