US HF Global Network Frequencies US Global HF Frequencies Albrook (Panama) 6739, 8992, 11175, 15016 Andersen (Guam) 4724, 6739, 8968, 11175, 13200 Andrews (USA) 4724, 6739, 8968, 11175, 15016, 17976 Ascension Island 6712, 6739, 8992, 11175, 15016 Croughton (UK) 4724, 6712, 8968, 11175, 13200, 15016, 17976 Elmendorf (Alaska) 6739, 8968, 11175, 13200, 15016, 17976 Hickham (Hawaii) 6739, 8968, 11175, 13200 Incirlik (Turkey) 4724, 6739, 8992, 11175, 13215, 15016, 17976 Lajes (Azores) 6712, 8968, 15016 Macdill (USA) 6739, 8968, 11175, 15016 McClellan (USA) 4724, 6739, 8968, 11175, 13200, 15016, 17976 Offutt (USA) 4724, 6712, 6739, 8968, 11175, 13200, 15016, 17976 Thule (Greenland) 4724, 6739, 8968, 11175, 15016, 17976 Yokota (Japan) 4724, 6739, 8968, 8992, 11175, 13200, 15016, 17976