Mt. Brooke FP repeater Mt. Brooke Field Party Marble Point VHF Base Station HF Base Station (2) UHF Radiophone Lower Erebus Hut Network w/cloud VHF Base Station HF Base Station Wright Valley Hjorth Hill UHF Radiophone (3) UHF RadioPhone Field Party Cones Network w/cloud repeaters Fang Camp Cape Crozier FF repeater (Cones) (3) Network repeaters VHF Field Radio B-031 Ainley Network repeater HF Field Radio Mt. Newell Lake Fryxell Mt. Terror VHF Base Station FP repeater VHF Base Station (Wright Valley) Andrill (Coulman High) HF Base Station Field Party G-049 Rack UHF Radiophone Network w/hub Network w/cloud ConeZ VHF Base Station Flight Following Mt. Erebus Mt. Terror Lake Hoare FP repeater (Terror) VHF Base Station Cape Royds Field Party HF Base Station New Harbor B-031 Ainley UHF Radiophone VHFNew Base Harbor Station Network w/cloud Network w/cloud HF BaseVHF BaseStation Station UHF Radiophone Big Razorback UHFHF Radiophone Base Station B-009 Garrett NetworkUHF wRadiophone/cloud Network w/hub Network w/cloud UHF Radiophone Peak 1882 F6 UHF RadioPhone VHF Base Station Tent Island repeater HF Base Station Network repeater Network Repeater UHF Radiophone UHF Radiophone Lake Joyce Network w/cloud repeater G-441 Anderson Mt. Aztec FP repeater FF repeater Lake Bonney Mt. Voslips VHF Base Station UHF RadioPhone HF Base Station repeater UHF Radiophone Network Repeater Mt. Brooke Network w/cloud Taylor Glacier Field Party I-169 Severinghaus Mt. Coates VHF Base Station Mt. Brooke Mt. Coates FP repeater UHF Radiophone (Taylor Valley) Flight Following HFFlight Field RadioFollowing FF repeater (Mt. Taylor Valley Coates) Field Party Black Island VHF Base Station UHF Radiophone Network w/cloud Black Island FP repeater (Aurora Lower/Winter) Mt. Aurora FP repeater (Aurora) Mt. Discovery Network repeater Mt. Aurora Field Party Legend Established Base and Repeater Sites Established and Seasonal Camps Minna Bluff Annual Infrastructure Labels (Camps) FF repeater (Minna Bluff) Annual Infrastructure Labels (Repeaters) Annual and Seasonal Network Annual and Seasonal UHF Radiophone Minna Bluff Flight Following Minna Bluff A-127 Barwick McMurdo Regional Communications Infrastructure ~ 200 mi 100 mi 150 mi.