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r_antx.m
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r_antx.m
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function [atx] = r_antx(f_anten,inf,options)
[fid,errmsg] = fopen(f_anten);
if any(errmsg)
errordlg('Antex file can not be opened.','Antex file error');
error ('Antex file error');
end
type = inf;
sn = 105;
sat_neu = NaN(sn,3,2);
rcv_neu = NaN( 1,3,4);
linenum = 0;
while ~feof(fid)
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'START OF ANTENNA')
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'TYPE / SERIAL NO') && strcmp(tline(21),'G') && (options.system.gps == 1)
sat_no = sscanf(tline(22:23),'%d');
if sat_no>32
continue
end
while ~strcmp(tag,'END OF ANTENNA')
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'START OF FREQUENCY') && strcmp(tline(4:6),'G01')
frq_no = 1; %L1
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'NORTH / EAST / UP')
sat_neu(sat_no,:,frq_no) = sscanf(tline,'%f',[1,3]);
end
elseif strcmp(tag,'START OF FREQUENCY') && strcmp(tline(4:6),'G02')
frq_no = 2; %L2
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'NORTH / EAST / UP')
sat_neu(sat_no,:,frq_no) = sscanf(tline,'%f',[1,3]);
end
end
end
elseif strcmp(tag,'TYPE / SERIAL NO') && strcmp(tline(21),'R') && (options.system.glo == 1)
sat_no = 32 + sscanf(tline(22:23),'%d');
if sat_no>58
continue
end
while ~strcmp(tag,'END OF ANTENNA')
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'START OF FREQUENCY') && strcmp(tline(4:6),'R01')
frq_no = 1; %L1
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'NORTH / EAST / UP')
sat_neu(sat_no,:,frq_no) = sscanf(tline,'%f',[1,3]);
end
elseif strcmp(tag,'START OF FREQUENCY') && strcmp(tline(4:6),'R02')
frq_no = 2; %L2
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'NORTH / EAST / UP')
sat_neu(sat_no,:,frq_no) = sscanf(tline,'%f',[1,3]);
end
end
end
elseif strcmp(tag,'TYPE / SERIAL NO') && strcmp(tline(21),'E') && (options.system.gal == 1)
sat_no = 58 + sscanf(tline(22:23),'%d');
if sat_no>88
continue
end
while ~strcmp(tag,'END OF ANTENNA')
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'START OF FREQUENCY') && strcmp(tline(4:6),'E01')
frq_no = 1; %L1
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'NORTH / EAST / UP')
sat_neu(sat_no,:,frq_no) = sscanf(tline,'%f',[1,3]);
end
elseif strcmp(tag,'START OF FREQUENCY') && strcmp(tline(4:6),'E05')
frq_no = 2; %L2
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'NORTH / EAST / UP')
sat_neu(sat_no,:,frq_no) = sscanf(tline,'%f',[1,3]);
end
end
end
elseif strcmp(tag,'TYPE / SERIAL NO') && strcmp(tline(21),'C') && (options.system.bds == 1)
sat_no = 88 + sscanf(tline(22:23),'%d');
if sat_no>105
continue
end
while ~strcmp(tag,'END OF ANTENNA')
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'START OF FREQUENCY') && strcmp(tline(4:6),'C01')
frq_no = 1; %L1
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'NORTH / EAST / UP')
sat_neu(sat_no,:,frq_no) = sscanf(tline,'%f',[1,3]);
end
elseif strcmp(tag,'START OF FREQUENCY') && strcmp(tline(4:6),'C07')
frq_no = 2; %L2
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'NORTH / EAST / UP')
sat_neu(sat_no,:,frq_no) = sscanf(tline,'%f',[1,3]);
end
end
end
elseif strcmp(tag,'TYPE / SERIAL NO') && strcmp(strtrim(tline(1:20)),type)
while ~strcmp(tag,'END OF ANTENNA')
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'START OF FREQUENCY') && strcmp(tline(4:6),'G01')
frq_no = 1; %L1
tline = fgetl(fid);
tag = strtrim(tline(61:end));
if strcmp(tag,'NORTH / EAST / UP')
rcv_neu(1,:,frq_no) = sscanf(tline,'%f',[1,3]);
end
elseif strcmp(tag,'START OF FREQUENCY') && strcmp(tline(4:6),'G02')
frq_no = 2; %L2
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'NORTH / EAST / UP')
rcv_neu(1,:,frq_no) = sscanf(tline,'%f',[1,3]);
end
elseif strcmp(tag,'START OF FREQUENCY') && strcmp(tline(4:6),'R01')
frq_no = 3; %L2
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'NORTH / EAST / UP')
rcv_neu(1,:,frq_no) = sscanf(tline,'%f',[1,3]);
end
elseif strcmp(tag,'START OF FREQUENCY') && strcmp(tline(4:6),'R02')
frq_no = 4; %L2
tline = fgetl(fid);
linenum = linenum + 1;
tag = strtrim(tline(61:end));
if strcmp(tag,'NORTH / EAST / UP')
rcv_neu(1,:,frq_no) = sscanf(tline,'%f',[1,3]);
end
end
end
end
else
continue
end
end
atx.sat.neu = sat_neu./1000;
atx.rcv.neu = rcv_neu./1000;
fclose('all');
end