Cách khai thác tệp số liệu GNSS
Bước 1: Để khai thác được tệp số liệu GNSS thì ta vào trang web IGS International
GNSS Service.
Bước 2: cick chuột vào Data &Products .
Bước 3: cick chuột vào IGS Data Table.
Bước 4:ở hàng
GPS & GLONASS ta chọn ~1day ->CDDIS(US-MD)
Bước 5:chọn đường dẫn
Bước 6: chọn file gps -> data/ ->daily/ .
Bước 9: chọn năm mình cần lấy dữ liệu , dưới đây là lấy dữ liệu của năm 2013.
Bước 10: chọn ngày mà cần lấy dữ liệu trong năm 2013. Dưới đây là cách vào lấy số liệu của ngày
037/2013.
Bước 11 : Khi đó đã xuất hiện các file số liệu còn lấy 13o/ và 13n/. cick chuột trái vào file cần lấy dữ liệu .
Bước 12: Khi đó sẽ xuất hiện các file chứa điểm có trong ngày . Để tải dữ liệu của điểm đó về ta cick
chuột trái vào nó sẽ tự động tải về .
Bước 13 : Cuối cùng để lấy được số liệu ta giải nén chuyển qua chế độ word
File iisc0370.13n
2.10
N: GPS NAV DATA
RINEX VERSION / TYPE
teqc 2012Jun6
gpsops
20130207 04:00:34UTCPGM / RUN BY / DATE
Linux 2.4.21-27.ELsmp|Opteron|gcc -static|Linux x86_64|=+
COMMENT
IISC
MARKER NAME
COMMENT
22306M002
MARKER NUMBER
COMMENT
1337936.4550 6070317.1261 1427876.7852
COMMENT
COMMENT
This data is provided as a public service by NASA/JPL.
COMMENT
No warranty is expressed or implied regarding suitability
COMMENT
for use. For further information, contact:
COMMENT
Dave Stowers, NASA/JPL m/s 238-600
COMMENT
4800 Oak Grove Drive, Pasadena CA 91109 USA
COMMENT
END OF HEADER
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File ntus0370.13n
2.10
N: GPS NAV DATA
RINEX VERSION / TYPE
teqc 2011Oct11
20130207 00:15:04UTCPGM / RUN BY / DATE
Linux 2.4.20-8|Pentium IV|gcc|Linux|486/DX+
COMMENT
END OF HEADER
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File pimo0370.13n
2.10
N: GPS NAV DATA
RINEX VERSION / TYPE
teqc 2012Jun6
gpsops
20130207 00:08:23UTCPGM / RUN BY / DATE
Linux 2.4.21-27.ELsmp|Opteron|gcc -static|Linux x86_64|=+
COMMENT
PIMO
MARKER NAME
COMMENT
22003M001
MARKER NUMBER
COMMENT
-3186293.8000 5286624.2800 1601158.3100
COMMENT
COMMENT
This data is provided as a public service by NASA/JPL.
COMMENT
No warranty is expressed or implied regarding suitability
COMMENT
for use. For further information, contact:
COMMENT
Dave Stowers, NASA/JPL m/s 238-600
COMMENT
4800 Oak Grove Drive, Pasadena CA 91109 USA
COMMENT
END OF HEADER
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File wuhn0370.13o
2.10
N: GPS NAV DATA
RINEX VERSION / TYPE
teqc 2012Nov14
CORS-ADM Account
20130213 08:20:24UTCPGM / RUN BY / DATE
Solaris x86 5.10|AMD64|cc SC5.8 -xarch=amd64|=+|=+
COMMENT
2.10
N: GPS NAV DATA
COMMENT
teqc 2012Nov14
CORS-ADM Account
20130213 08:20:23UTCCOMMENT
END OF HEADER
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9 13 2 5 22 0 0.0 2.187052741647D-04 2.614797267597D-12 0.000000000000D+00
3.200000000000D+01 5.818750000000D+01 4.264106188567D-09 1.318185929266D+00
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2.520000000000D+05-9.126961231232D-08-2.607018822741D+00-3.557652235031D-07
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10 13 2 6 0 0 0.0-6.885686889291D-05-1.364242052659D-12 0.000000000000D+00
2.100000000000D+01 6.343750000000D+00 5.092712131902D-09-1.417308799343D-01
4.172325134277D-07 1.231331797317D-02 8.694827556610D-06 5.153760808945D+03
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File iisc0370.13o
2.11
OBSERVATION DATA
G (GPS)
RINEX VERSION / TYPE
teqc 2012Jun6
gpsops
20130207 04:00:34UTCPGM / RUN BY / DATE
Linux 2.4.21-27.ELsmp|Opteron|gcc -static|Linux x86_64|=+
COMMENT
BIT 2 OF LLI FLAGS DATA COLLECTED UNDER A/S CONDITION
COMMENT
IISC
MARKER NAME
22306M002
MARKER NUMBER
GGN
C-MMACS
OBSERVER / AGENCY
ZR520013802
ASHTECH UZ-12
CQ00
REC # / TYPE / VERS
CR6200548032
ASH701945E_M
NONE
ANT # / TYPE
1337936.4550 6070317.1261 1427876.7852
APPROX POSITION XYZ
0.0780
0.0000
0.0000
ANTENNA: DELTA H/E/N
1
1
WAVELENGTH FACT L1/2
7
L1
L2
P1
P2
C1
S1
S2
# / TYPES OF OBSERV
30.0000
INTERVAL
COMMENT
This data is provided as a public service by NASA/JPL.
COMMENT
No warranty is expressed or implied regarding suitability
COMMENT
for use. For further information, contact:
COMMENT
Dave Stowers, NASA/JPL m/s 238-600
COMMENT
4800 Oak Grove Drive, Pasadena CA 91109 USA
COMMENT
COMMENT
Forced Modulo Decimation to 30 seconds
COMMENT
SNR is mapped to RINEX snr flag value [0-9]
COMMENT
L1 & L2: min(max(int(snr_dBHz/6), 0), 9)
pseudorange smoothing corrections not applied
2013
2
6
0
0
0.0000000
COMMENT
COMMENT
GPS
TIME OF FIRST OBS
END OF HEADER
13 2 6 0 0 0.0000000 0 10G10G26G24G12G05G02G25G09G17G04
-18222658.35948 -14170665.86047 21488867.7944
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51.0004
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13 2 6 0 37 0.0000000 0 9G10G26G24G12G05G02G25G09G17
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File ntus0370.13o
2.11
OBSERVATION DATA
M (MIXED)
RINEX VERSION / TYPE
teqc 2011Oct11
20130207 00:15:04UTCPGM / RUN BY / DATE
Linux 2.4.20-8|Pentium IV|gcc|Linux|486/DX+
COMMENT
BIT 2 OF LLI FLAGS DATA COLLECTED UNDER A/S CONDITION
COMMENT
NTUS-01
MARKER NAME
22601M001
MARKER NUMBER
Tan Hua Seng
SLA/DEOS
OBSERVER / AGENCY
352729
LEICA GRX1200GGPRO 8.10/3.019
REC # / TYPE / VERS
200240
LEIAT504GG
NONE
ANT # / TYPE
-1508022.7800 6195576.6820
148799.4690
APPROX POSITION XYZ
0.0776
0.0000
0.0000
ANTENNA: DELTA H/E/N
1
1
WAVELENGTH FACT L1/2
6
L1
L2
C1
P2
S1
S2
# / TYPES OF OBSERV
30.0000
INTERVAL
Forced Modulo Decimation to 30 seconds
COMMENT
--------------------------------------------------------COMMENT
NTUS is operated jointly for IGS by Singapore Land
COMMENT
Authority (SLA) and the Delft University of Technology
COMMENT
(DUT/DEOS).
COMMENT
--------------------------------------------------------COMMENT
SPIDER
COMMENT
Made by Spider v3.2.3
COMMENT
Project creator:
COMMENT
COMMENT
SNR is mapped to RINEX snr flag value [0-9]
COMMENT
L1 & L2: min(max(int(snr_dBHz/6), 0), 9)
COMMENT
teqc-dev windowed: start @ 2013 Feb 6 00:00:00.000
COMMENT
teqc-dev windowed: delta = 86400.000 sec
COMMENT
2013
2
6
0
0
0.0000000
GPS
TIME OF FIRST OBS
15
LEAP SECONDS
END OF HEADER
13 2 6 0 0 0.0000000 0 16G05G26G28G10G12G17G02G04G09R02R03R01
R23R14R13R24
109469094.325 8 85300600.15148 20831276.120
20831275.120
51.250
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40.000
33.500
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2
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39.250
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43.250
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35.000
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39.500
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40.500
0.0000000
8
0 17G05G26G28G10G12G17G15G02G04G09R02R03
R01R23R14R13R24
84862859.40048 20724378.080
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51.000
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48.750
6
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40.750
8
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38.750
7
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42.000
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21828815.480
47.750
File pimo0370.13o
2.11
OBSERVATION DATA
G (GPS)
RINEX VERSION / TYPE
teqc 2012Jun6
gpsops
20130207 00:08:23UTCPGM / RUN BY / DATE
Linux 2.4.21-27.ELsmp|Opteron|gcc -static|Linux x86_64|=+
COMMENT
BIT 2 OF LLI FLAGS DATA COLLECTED UNDER A/S CONDITION
COMMENT
PIMO
MARKER NAME
22003M001
MARKER NUMBER
GGN
JPL
OBSERVER / AGENCY
IR2200714003
ASHTECH UZ-12
CQ00
REC # / TYPE / VERS
CR620010502
ASH701945C_M
NONE
ANT # / TYPE
-3186293.8000 5286624.2800 1601158.3100
APPROX POSITION XYZ
0.0792
0.0000
0.0000
ANTENNA: DELTA H/E/N
1
1
WAVELENGTH FACT L1/2
7
L1
L2
P1
P2
C1
S1
S2
# / TYPES OF OBSERV
30.0000
INTERVAL
COMMENT
This data is provided as a public service by NASA/JPL.
COMMENT
No warranty is expressed or implied regarding suitability
COMMENT
for use. For further information, contact:
COMMENT
Dave Stowers, NASA/JPL m/s 238-600
COMMENT
4800 Oak Grove Drive, Pasadena CA 91109 USA
COMMENT
COMMENT
Forced Modulo Decimation to 30 seconds
COMMENT
SNR is mapped to RINEX snr flag value [0-9]
COMMENT
L1 & L2: min(max(int(snr_dBHz/6), 0), 9)
COMMENT
pseudorange smoothing corrections not applied
COMMENT
2013
2
6
0
0
0.0000000
GPS
TIME OF FIRST OBS
END OF HEADER
13 2 6 0 0 0.0000000 0 7G10G04G28G17G13G02G05
-10538299.41848 -8201988.68048 20227615.5274
20227619.4684
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13 2 6 0 0 30.0000000 0 7G10G04G28G17G13G02G05
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268856.62847
215892.20146 23329632.3524
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49.0004
45.0004
13 2 6 0 1 0.0000000 0 8G10G12G04G28G17G13G02G05
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13
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44.0004
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21770654.905
File wuhn0370.13o
2.11
OBSERVATION DATA
M (MIXED)
RINEX VERSION / TYPE
teqc 2012Nov14
NOAA/NOS/NGS/CORS
20130213 08:20:25UTCPGM / RUN BY / DATE
Solaris x86 5.10|AMD64|cc SC5.8 -xarch=amd64|=+|=+
COMMENT
teqc 2012Nov14
NOAA/NOS/NGS/CORS
20130213 08:20:23UTCCOMMENT
teqc 2012Nov14
NOAA/NOS/NGS/CORS
20130213 08:20:23UTCCOMMENT
0000.000
(antenna height)
COMMENT
BIT 2 OF LLI FLAGS DATA COLLECTED UNDER A/S CONDITION
COMMENT
SNR is mapped to RINEX snr flag value [0-9]
COMMENT
L1 & L2: min(max(int(snr_dBHz/6), 0), 9)
COMMENT
WUHN
MARKER NAME
21602M001
MARKER NUMBER
Prof. Guigen Nie
Wuhan University
OBSERVER / AGENCY
4918K35018
TRIMBLE NETR8
NP 4.16 / SP 3.59
REC # / TYPE / VERS
4852A62817
TRM59800.00
ENCL
ANT # / TYPE
-2267750.4463 5009156.7914 3221292.3024
APPROX POSITION XYZ
2.3612
-0.0022
-0.0094
ANTENNA: DELTA H/E/N
1
1
WAVELENGTH FACT L1/2
7
L1
L2
C1
P1
P2
S1
S2
# / TYPES OF OBSERV
30.0000
INTERVAL
teqc windowed: start @ 2013 Feb 6 00:00:00.000
COMMENT
teqc windowed: delta = 86400.000 sec
COMMENT
16
LEAP SECONDS
Forced Modulo Decimation to 30 seconds
COMMENT
2013
2
6
0
0
0.0000000
GPS
TIME OF FIRST OBS
END OF HEADER
13 2 6 0 0 0.0000000 0 11R02G12G10G17G02R24G05R01G13R23G04
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19.300
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40.900
29.400
13 2 6 0 0 30.0000000 4 1
other post-header comments skipped
COMMENT
13 2 6 0 0 30.0000000 0 11R02G12G10G17G02R24G05R01G13R23G04
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33.400
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22596184.781
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6 90393413.88744 22074994.383
27.000
6 86774334.70245 21191174.781
30.700
8 81312051.331 7 19550267.953
19550267.273
47.200
6 88898822.05744 21709992.984
28.400
8 80579463.110 7 19380928.914
19380927.707
43.500
8 87551235.151 7 21043000.359
21042999.922
46.500
6 86848125.00544 21209195.813
27.200
8
20718646.930
22698472.016
20105951.648
22596189.469
22075001.688
21191179.793
19550271.426
21710000.504
19380933.695
21043006.023
21209203.258
File igs17263.sp3
Lịch vệ tinh chính xác
#cP2013 2 6 0 0 0.00000000
96 ORBIT IGb08 HLM IGS
## 1726 259200.00000000
900.00000000 56329 0.0000000000000
+
32
G01G02G03G04G05G06G07G08G09G10G11G12G13G14G15G16G17
+
G18G19G20G21G22G23G24G25G26G27G28G29G30G31G32 0 0
+
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
++
3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 0
++
2 2 2 2 2 2 2 2 2 0 2 2 2 2 2 0 0
++
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
++
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
++
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
%c G cc GPS ccc cccc cccc cccc cccc ccccc ccccc ccccc ccccc
%c cc cc ccc ccc cccc cccc cccc cccc ccccc ccccc ccccc ccccc
%f 1.2500000 1.025000000 0.00000000000 0.000000000000000
%f 0.0000000 0.000000000 0.00000000000 0.000000000000000
%i
0
0
0
0
0
0
0
0
0
%i
0
0
0
0
0
0
0
0
0
/* FINAL ORBIT COMBINATION FROM WEIGHTED AVERAGE OF:
/* cod emr esa gfz grg jpl mit ngs sio
/* REFERENCED TO IGS TIME (IGST) AND TO WEIGHTED MEAN POLE:
/* PCV:IGS08_1722 OL/AL:FES2004 NONE
Y ORB:CMB CLK:CMB
* 2013 2 6 0 30 0.00000000
PG01 -20912.365981 -14104.315083
PG02
575.523159 16525.459029
PG03
3195.560480 -21152.301007
PG04 -14900.170164
9751.475618
PG05
2587.797746 26225.867277
PG06 10149.158553 -21271.996999
PG07 -25389.513284 -5556.997725
PG08 -21344.169330
878.867911
PG09
5818.774560 16586.360325
PG10 -9753.906676 17544.990653
PG11 -16805.607940 -13942.282647
PG12 11445.800909 20347.703212
PG13 -20376.097019
84.493097
PG14 21998.180622 -14676.479386
PG15
6866.365970 14448.414029
PG16
-586.301272 -26101.575481
PG17 -20836.798063 16253.008037
PG18 15822.915939
-598.027677
PG19 -2721.285688 -15928.339376
PG20 -13926.491087 -18552.603941
PG21 25046.978133
2421.348532
PG22 11930.425881 -14331.720505
PG23 -14149.341081 -7786.586440
PG24 18376.969191 15317.608894
PG25 15286.325481
9010.684341
PG26 -6466.862264 18942.071811
PG27
8679.262256 -18307.744013
PG28 -12644.797770 10003.933190
PG29 20244.853825
-266.241706
PG30
3802.021204 -22229.165729
PG31 10460.894321 -11503.890153
PG32 -7503.842676 -24620.372663
-8452.637192
-1.511637 13 10 12 123
21039.974948
417.350817 6 7 6 100
-16100.397790
164.590700 9 10 7 134
19510.977676
126.182154 8 7 5 115
2576.814855
-382.346527 6 4 7 120
-11805.303687
361.599486 8 7 7 135
-6123.455780
177.340819 9 9 9 115
-16055.015380
4.473878 9 8 7 133
-20428.133789
218.723063 8 8 8 135
16893.585542
-68.860302 7 7 5 131
-15729.303310
-350.695970 11 7 8 131
12834.498513
116.299482 4 9 7 119
16957.854350
146.965393 6 8 7 127
-1253.156998
220.255386 7 5 8 126
-21195.863175
-107.444379 8 7 7 132
3765.678847
-252.241683 8 6 10 119
427.674651 999999.999999
-20956.108480
237.961073 8 7 7 121
-21082.290681
-346.174971 9 10 6 103
12828.017933
82.934554 8 9 4 125
-8770.868599
-278.939423 7 6 5 88
-18681.638172
157.676132 7 7 8 124
21205.801781
116.717674 5 8 6 122
-11572.900292
-0.569305 7 6 9 130
19753.427569
68.089305 7 9 7 116
-17909.068398
-111.892549 8 7 8 131
16934.919393 999999.999999
-20482.377104
230.062961 8 10 9 124
17225.422028
405.068498 9 7 8 117
13695.871991
-233.109220 6 6 8 102
21752.015266
301.104496 6 6 6 138
7715.410945
-532.915460 5 6 7 123