function?[Obs_types?ant_deltaifound_typeseof]?=?anheader（file）
%ANHEADER?Analyzes?the?header?of?a?RINEX?file?and?outputs
%	???????the?list?of?observation?types?and?antenna?offset.
%	???????End?of?file?is?flagged?1?else?0.?Likewise?for?the?types.
%	???????Typical?call:?anheader（‘pta.96o‘）

%Kai?Borre?09-12-96
%Copyright?（c）?by?Kai?Borre
%$Revision:?1.0?$???$Date:?1997/09/23??$

fid?=?fopen（file‘rt‘）;
eof?=?0;
ifound_types?=?0;
Obs_types?=?[];
ant_delta?=?[];

while?1			???%?Gobbling?the?header
???line?=?fgetl（fid）;
???answer?=?findstr（line‘END?OF?HEADER‘）;
???if??~isempty（answer）?break;?end;
???if?（line?==?-1）?eof?=?1;?break;?end;
???answer?=?findstr（line‘ANTENNA:?DELTA?H/E/N‘）;
???if?~isempty（answer）
??????for?k?=?1:3
?????????[delta?line]?=?strtok（line）;

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-05-09?20:01??rinex?-?副本\
?????文件????????1235??2013-11-12?20:30??rinex?-?副本\anheader.m
?????文件?????????293??2013-11-12?20:30??rinex?-?副本\check_t.m
?????文件????????6479??2013-11-12?18:23??rinex?-?副本\d.12N
?????文件??????107541??2013-11-12?18:23??rinex?-?副本\d.12o
?????文件???????11232??2014-05-09?20:05??rinex?-?副本\easy1.eps
?????文件????????2107??2014-05-05?19:07??rinex?-?副本\easy1.m
?????文件????????1790??2014-04-09?22:33??rinex?-?副本\easy3.asv
?????文件????????9961??2013-11-12?21:30??rinex?-?副本\easy3.eps
?????文件????????1760??2014-05-09?20:05??rinex?-?副本\eph.dat
?????文件?????????538??2013-11-12?20:30??rinex?-?副本\e_r_corr.m
?????文件????????2197??2013-11-12?21:28??rinex?-?副本\fepoch_0.m
?????文件?????????531??2013-11-12?20:30??rinex?-?副本\find_eph.m
?????文件?????????310??2013-11-12?20:30??rinex?-?副本\fobs_typ.m
?????文件????????1129??2013-11-12?20:30??rinex?-?副本\frgeod.m
?????文件?????????528??2013-11-13?11:38??rinex?-?副本\get_eph.m
?????文件?????????603??2013-11-13?11:36??rinex?-?副本\gps2mjd.m
?????文件?????????628??2013-11-12?20:32??rinex?-?副本\gps_time.m
?????文件????????1009??2013-11-12?20:33??rinex?-?副本\grabdata.m
?????目錄???????????0??2014-05-09?19:31??rinex?-?副本\html\
?????文件???????14833??2014-03-28?16:06??rinex?-?副本\html\easy1.html
?????文件????????6810??2014-03-28?20:47??rinex?-?副本\html\easy1.png
?????文件???????10734??2014-03-28?16:06??rinex?-?副本\html\easy1_01.png
?????文件????????3572??2013-11-13?12:56??rinex?-?副本\ionoc.m
?????文件?????????670??2013-11-12?20:32??rinex?-?副本\julday.m
?????文件?????????824??2013-11-13?11:27??rinex?-?副本\mjd2gps.m
?????文件????????2871??2014-05-09?20:06??rinex?-?副本\recpo_ls.asv
?????文件????????2780??2014-05-09?20:07??rinex?-?副本\recpo_ls.m
?????文件????????4311??2013-11-13?12:27??rinex?-?副本\rinexe.m
?????文件????????1875??2013-11-13?10:55??rinex?-?副本\satpos.asv
?????文件????????2060??2013-11-13?11:39??rinex?-?副本\satpos.m
............此處省略9個(gè)文件信息