GPS Space Vehicle Time Integrity for MJD 53808

As viewed from the Measurement Standards Laboratory, Lower Hutt, New Zealand
Latitude -41.2347881 degrees, longitude 174.9174902 degrees, height 26.0 metres

ABCDEFGHIJK
PRNBlock
no.		StartEndMeasure-
ments		UTC(MSL)
-GPSSV (ns)		UTC(MSL)
-SV (ns)		Std.Dev.
(ns)		Outliers
> 4 s		Outliers
> 500 ns		Health 
1
1
1
2
17:39
21:11
21:08
23:59
 12,024
  9,888
   -61
   571
   -41,521
   -40,910
57
17939
2
12
2
9888
0
0
 
2
1
07:14
13:20
 21,090
   -50
    14,507
20
1
1
0
 
3
3
1
2
00:00
15:17
03:46
18:08
 13,117
  9,988
   -49
   -55
   -81,723
   -81,889
28
9
3
2
2
0
0
0
 
4
1
06:14
11:55
 19,847
   -56
  -176,438
70
1
1
0
 
5
5
1
2
08:07
19:08
12:55
20:13
 16,623
  3,873
   -50
   -48
   358,066
   355,466
398
86
1
0
4497
0
0
0
 
6
1
10:39
16:04
 18,961
   -57
  -401,146
168
2
2
0
 
7
1
10:23
15:51
 19,075
   -53
  -513,113
51
2
2
0
 
8
1
01:34
07:31
 20,513
   -49
    59,324
15
1
1
0
 
9
9
1
2
06:27
15:07
10:06
18:56
 12,854
 13,138
   -41
   -58
   -11,784
   -11,842
8
10
2
2
1
1
0
0
 
10
1
09:31
14:51
 18,236
   -55
   -80,199
31
2
2
0
 
11
11
1
2
02:59
18:43
07:04
21:08
 14,060
  8,214
   -53
   -45
  -313,383
  -313,519
8
978
2
1
0
2
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
00:00
22:47
04:16
23:59
 14,864
  4,141
   -54
 -1,363
   -47,350
   -48,856
27
24279
3
12
2
4141
0
0
 
14
14
1
2
16:01
21:11
21:08
22:19
 17,630
  4,035
   -48
   -53
    17,801
    17,788
876
4
2
0
2
0
0
0
 
15
1
13:24
19:27
 20,893
   -50
  -580,313
53
4
4
0
 
16
16
1
2
00:00
21:11
01:57
23:59
  6,819
  9,888
   -47
   128
   -31,043
   -31,022
40
5200
2
12
2
13
0
0
 
17
1
03:52
10:12
 21,709
   -51
   -67,627
41
2
2
0
 
18
1
13:03
19:39
 22,914
   -55
   225,633
33
4
4
0
 
19
19
1
2
00:34
16:39
05:10
18:51
 15,736
  7,435
   -51
   -59
    18,915
    18,841
40
27
2
1
2
1
0
0
 
20
20
20
1
2
3
00:00
20:05
21:11
01:03
21:08
23:59
  3,596
  3,560
  9,863
   -46
   -94
   464
    30,695
    30,587
    31,139
79
2560
14723
2
1
12
2
1
9857
0
0
0
 
21
1
12:12
18:32
 21,978
   -55
   -13,353
29
3
3
0
 
22
1
14:42
21:08
 22,261
   -45
   -76,072
1358
1
5
0
 
23
23
1
2
00:00
21:12
03:14
23:59
 11,180
  9,774
   -51
  -224
  -147,317
  -147,394
8
4920
3
12
1
13
0
0
 
24
24
1
2
05:03
21:37
09:59
22:44
 17,124
  3,995
   -49
   -51
   -92,677
   -92,840
24
5
2
0
1
0
0
0
 
25
25
1
2
18:32
21:11
21:08
23:59
  8,847
  9,872
   -62
   472
    26,881
    27,157
369
15191
2
12
2
6034
0
0
 
26
26
1
2
04:11
12:10
06:44
16:46
  8,565
 15,811
   -59
   -60
    59,144
    59,449
28
44
2
2
0
0
0
0
 
27
1
00:26
06:27
 20,560
   -59
   -39,761
35
3
3
0
 
28
1
02:21
09:00
 22,792
   -54
   -31,616
15
2
1
0
 
29
29
1
2
03:44
11:55
06:32
16:15
  9,442
 15,038
   -53
   -54
  -559,937
  -560,270
30
48
2
2
0
2
0
0
 







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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(MSL) 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(MSL) 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.