#!/usr/bin/perl -w # # Moxon antenna dimension calculator # John Simpson, KG4ZOW # # 2006-08-08 # # Idea, algorithm, and diagram by L.B. Cebik, W4RNL # http://www.cebik.com/moxon/moxgen.html # # Diagram showing which parts of the antenna correspond to which variables # http://www.cebik.com/moxon/moxgen-1.gif # ############################################################################### # # Copyright (C) 2006 John Simpson. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License, version 2, as # published by the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # or visit http://www.gnu.org/licenses/gpl.txt # ############################################################################### require 5.003 ; use strict ; use CGI qw ( :standard ) ; my %unam = ( "in" => "in" , "ag" => "AWG" , "mm" => "mm" , "wl" => "λ" , # lambda ) ; my ( $freq , $diam , $unit , $go ) ; ############################################################################### sub phead(;$) { my $err = ( shift || "" ) ; return < Moxon Calculator