function frequencyToBand(frequency) { result = parseInt(frequency); if(result >= 14000000 && result <= 14400000) { return '20m'; } else if(result >= 18000000 && result <= 19000000) { return '17m'; } else if(result >= 1810000 && result <= 2000000) { return '160m'; } else if(result >= 3000000 && result <= 4000000) { return '80m'; } else if(result >= 5250000 && result <= 5450000) { return '60m'; } else if(result >= 7000000 && result <= 7500000) { return '40m'; } else if(result >= 10000000 && result <= 11000000) { return '30m'; } else if(result >= 21000000 && result <= 21600000) { return '15m'; } else if(result >= 24000000 && result <= 25000000) { return '12m'; } else if(result >= 28000000 && result <= 30000000) { return '10m'; } else if(result >= 50000000 && result <= 56000000) { return '6m'; } else if(result >= 144000000 && result <= 148000000) { return '2m'; } else if(result >= 430000000 && result <= 440000000) { return '70cm'; } }