2 ########################################################################
3 # Convert DAFIFT NAV.TXT to FlightGear format.
4 ########################################################################
42 'Y', # NDB/DME (not used, though)
47 # Make a frequency from a DME channel
49 my ($type, $channel) = (@_);
52 $freq = 108 + (($channel - 17)/10.0);
54 $freq = 112 + (($channel - 67)/10.0);
62 # Make a range based on navaid type and purpose
64 my ($type, $usage) = (@_);
65 if ($type == 1 || $type == 2 || $type ==4) { # VOR
66 if ($usage == 'H' || $usage == 'B') {
68 } elsif ($usage == 'T') {
73 } elsif ($type == 3 || $type == 7) { # DME
89 my ($type, $lat, $lon, $elev, $freq, $range, $dme, $id, $magvar, $name)
92 printf("%s %10.6f %11.6f %6d %7.2f %4d %s %-4s %s %s %s\n",
93 $TYPES[$type], $lat, $lon, $elev, $freq, $range, $dme, $id,
94 $magvar, $name, $TYPE_NAMES[$type]);
100 my( $dir, $deg, $date ) = $coord =~ m/^([EW])(\d\d\d\d)(\d\d\d\d)/;
101 $value = $deg / 10.0;
110 <>; # skip header line
112 print "// FlightGear navaid data, generated from DAFIFT NAV.TXT\n";
120 if ($TYPES[$type] eq '') {
121 warn("Bad type for " . $F[0] . "(" . $F[5] . ")\n");
127 my $freq = $F[8]/1000;
128 if ($type == 3 || $type == 9) {
129 $freq = make_freq($type, 0 + $F[10]);
131 my $range = 0 + $F[14];
133 $range = make_range($type, $F[9]);
140 my $tmp = make_dmagvar( $magvar );
141 # print "$magvar $tmp\n";
143 $magvar = sprintf("%02.0fW", -$tmp );
145 $magvar = sprintf("%02.0fE", $tmp );
150 if ($type == 7) { # NDB/DME
151 write_navaid(9, $lat, $lon, $elev, make_freq(9, $F[10]), $range,
152 'Y', $id, $magvar, $name);
155 write_navaid($type, $lat, $lon, $elev, $freq, $range,
156 $HAS_DME[$F[1]], $id, $magvar, $name);
163 # end of dafif2fix.pl