173 行
5.2 KiB
PHP
173 行
5.2 KiB
PHP
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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class Frequency {
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const modes = array('SSB','FM','AM','CW','DSTAR','F4M','DMR','DIGITALVOICE',
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'PSK31','PSK63','RTTY','JT65','JT65B','JT6C','JT9-1',
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'JT9','FT8','FSK441','JTMS','ISCAT','MSK144','JTMSK',
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'QRA64','PKT','SSTV','HELL','HELL80');
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public $defaultFrequencies = array(
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'160m'=>array(
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'SSB'=>"1900000",
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'DATA'=>"1838000",
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'CW'=>"1830000"),
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'80m'=>array(
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'SSB'=>"3700000",
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'DATA'=>"3583000",
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"CW"=>"3550000"),
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'60m'=>array(
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'SSB'=>"5330000",
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'DATA'=>"5330000",
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"CW"=>"5260000"),
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'40m'=>array(
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'SSB'=>"7100000",
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'DATA'=>"7040000",
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'CW'=>"7020000"),
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'30m'=>array(
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'SSB'=>"10120000",
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'DATA'=>"10145000",
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'CW'=>"10120000"),
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'20m'=>array(
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'SSB'=>"14200000",
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'DATA'=>"14080000",
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'CW'=>"14020000"),
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'17m'=>array(
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'SSB'=>"18130000",
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'DATA'=>"18105000",
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'CW'=>"18080000"),
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'15m'=>array(
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'SSB'=>"21300000",
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'DATA'=>"21080000",
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'CW'=>"21020000"),
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'12m'=>array(
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'SSB'=>"24950000",
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'DATA'=>"24925000",
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'CW'=>"24900000"),
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'10m'=>array(
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'SSB'=>"28300000",
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'DATA'=>"28120000",
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'CW'=>"21050000"),
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'6m'=>array(
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'SSB'=>"50150000",
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'DATA'=>"50230000",
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'CW'=>"50090000"),
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'4m'=>array(
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'SSB'=>"70200000",
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'DATA'=>"70200000",
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'CW'=>"70200000"),
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'2m'=>array(
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'SSB'=>"144300000",
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'DATA'=>"144370000",
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'CW'=>"144050000"),
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'70cm'=>array(
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'SSB'=>"432200000",
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'DATA'=>"432088000",
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'CW'=>"432050000"),
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'23cm'=>array(
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'SSB'=>"1296000000",
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'DATA'=>"1296138000",
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'CW'=>"129600000"),
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'13cm'=>array(
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'SSB'=>"2320800000",
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'DATA'=>"2320800000",
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'CW'=>"2320800000"),
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'9cm'=>array(
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'SSB'=>"3410000000",
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'DATA'=>"3410000000",
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'CW'=>"3400000000"),
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'6cm'=>array(
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'SSB'=>"5670000000",
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'DATA'=>"5670000000",
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'CW'=>"5670000000"),
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'3cm'=>array(
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'SSB'=>"10225000000",
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'DATA'=>"10225000000",
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'CW'=>"10225000000")
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);
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/* Class to convert band and mode into a frequnecy in a format based on the specifications of the database table */
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public function convent_band($band, $mode='SSB')
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{
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// Modes for which we've set a frequency
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$known_modes = array('SSB', 'DATA', 'CW');
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// Data modes that are being treated as 'DATA' for frequency lookup
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$data_modes = array('PSK31','PSK63','RTTY',
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'JT65','JT65B','JT6C','JT9-1','JT9','FT8',
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'FSK441','JTMS','ISCAT','MSK144','JTMSK',
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'QRA64','PKT','SSTV','HELL','HELL80');
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// Use 'DATA' for any of the data modes
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if(in_array($mode, $data_modes)){
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$mode= "DATA";
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}
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// If the mode isn't listed, default to SSB frequency
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if (!in_array($mode, $known_modes)){
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$mode = 'SSB';
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}
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return $this->defaultFrequencies[$band][$mode];
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}
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public function GetBand($Frequency) {
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$Band = NULL;
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if ($Frequency > 1000000 && $Frequency < 2000000) {
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$Band = "160m";
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} else if ($Frequency > 3000000 && $Frequency < 4000000) {
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$Band = "80m";
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} else if ($Frequency > 6000000 && $Frequency < 8000000) {
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$Band = "40m";
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} else if ($Frequency > 9000000 && $Frequency < 11000000) {
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$Band = "30m";
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} else if ($Frequency > 13000000 && $Frequency < 15000000) {
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$Band = "20m";
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} else if ($Frequency > 17000000 && $Frequency < 19000000) {
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$Band = "17m";
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} else if ($Frequency > 20000000 && $Frequency < 22000000) {
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$Band = "15m";
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} else if ($Frequency > 23000000 && $Frequency < 25000000) {
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$Band = "12m";
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} else if ($Frequency > 27000000 && $Frequency < 30000000) {
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$Band = "10m";
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} else if ($Frequency > 49000000 && $Frequency < 52000000) {
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$Band = "6m";
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} else if ($Frequency > 69000000 && $Frequency < 71000000) {
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$Band = "4m";
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} else if ($Frequency > 140000000 && $Frequency < 150000000) {
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$Band = "2m";
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} else if ($Frequency > 218000000 && $Frequency < 226000000) {
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$Band = "1.25m";
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} else if ($Frequency > 430000000 && $Frequency < 440000000) {
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$Band = "70cm";
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} else if ($Frequency > 900000000 && $Frequency < 930000000) {
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$Band = "33cm";
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} else if ($Frequency > 1200000000 && $Frequency < 1300000000) {
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$Band = "23cm";
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} else if ($Frequency > 2200000000 && $Frequency < 2600000000) {
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$Band = "13cm";
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} else if ($Frequency > 3000000000 && $Frequency < 4000000000) {
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$Band = "9cm";
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} else if ($Frequency > 5000000000 && $Frequency < 6000000000) {
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$Band = "6cm";
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} else if ($Frequency > 9000000000 && $Frequency < 11000000000) {
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$Band = "3cm";
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} else if ($Frequency > 23000000000 && $Frequency < 25000000000) {
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$Band = "1.2cm";
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} else if ($Frequency > 46000000000 && $Frequency < 55000000000) {
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$Band = "6mm";
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} else if ($Frequency > 75000000000 && $Frequency < 82000000000) {
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$Band = "4mm";
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} else if ($Frequency > 120000000000 && $Frequency < 125000000000) {
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$Band = "2.5mm";
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} else if ($Frequency > 133000000000 && $Frequency < 150000000000) {
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$Band = "2mm";
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} else if ($Frequency > 240000000000 && $Frequency < 250000000000) {
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$Band = "1mm";
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} else if ($Frequency >= 250000000000) {
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$Band = "<1mm";
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}
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return $Band;
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}
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}
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/* End of file Frequency.php */
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