Format                 IAGA-2002                                    |
 Source of Data         VNCST (Vietnam) / IPGP (France)              |
 Station Name           Phu Thuy                                     |
 IAGA Code              PHU                                          |
 Geodetic Latitude      21.029                                       |
 Geodetic Longitude     105.958                                      |
 Elevation              5.0                                          |
 Reported               HDZF                                         |
 Sensor Orientation     HDZF                                         |
 Digital Sampling       5 seconds                                    |
 Data Interval Type     1-month (01-31)                              |
 Data Type              definitive                                   |
 #                                                                   |
 # File added to the data base on the 2018-03-29                     |
 # Conditions of use:                                                |
 # License: CC BY-NC 4.0                                             |
 #          http://creativecommons.org/licenses/by-nc/4.0/           |
 # DOI citation:  http://dx.doi.org/10.18715/BCMT.MAG.DEF            |
 #                                                                   |
 # For any enquiry, please contact: bcmt@ipgp.fr                     |
 #                                                                   |
 # Formula for computing non-reported elements:                      |
 # X=H*cos(D), Y=H*sin(D), tan(I)=Z/H                                |
 # D is expressed in minutes of arc.                                 |
 # 1-month values are computed from 24 monthly means of 1-hour       |
 # values.                                                           |
DATE       TIME         DOY     PHUH      PHUD      PHUZ      PHUF   |
1998-01-16 12:00:00.000 016     39089.40    -50.97  21736.90  44727.00
1998-02-15 00:00:00.000 046     39087.70    -51.05  21741.90  44727.40
1998-03-16 12:00:00.000 075     39077.60    -51.04  21745.70  44720.70
1998-04-16 00:00:00.000 106     99999.00  99999.00  99999.00  99999.00
1998-05-16 12:00:00.000 136     99999.00  99999.00  99999.00  99999.00
1998-06-16 00:00:00.000 167     99999.00  99999.00  99999.00  99999.00
1998-07-16 12:00:00.000 197     99999.00  99999.00  99999.00  99999.00
1998-08-16 12:00:00.000 228     99999.00  99999.00  99999.00  99999.00
1998-09-16 00:00:00.000 259     99999.00  99999.00  99999.00  99999.00
1998-10-16 12:00:00.000 289     99999.00  99999.00  99999.00  99999.00
1998-11-16 00:00:00.000 320     99999.00  99999.00  99999.00  99999.00
1998-12-16 12:00:00.000 350     99999.00  99999.00  99999.00  99999.00