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Table 3 MF/HF radars that have been retired since the review of Reid (1996)

From: MF and HF radar techniques for investigating the dynamics and structure of the 50 to 110 km height region: a review

Facility Lat./long Mode Freq. (MHz) Power (kW) Remarks
Bribie Island, Australia 28 S, 153 E SA, DBS 1.98 25 Long term
Christmas Island 2 N, 157 W SA 1.98 25 Long term
Halley Base, Antarctica 76S, 26 W IDI 2.75 10 Long term
Hawaii, USA 22 N, 156 W SA 1.98 25 Long term
London, Canada 43 N, 81 W SA 2.22 25 Long term
McMurdo, Antarctica 78 S,166 E SA 1.98 50 Long term
Nanjing, China 32 N, 119 E SA 2.00 25 Long term
Platteville, USA 40 N, 105 W SA 2.219 25 Long term
Puerto Rico 19 N, 67 W SA 1.95 25 Long term
Rarotonga, Cook Islands 22 S, 160 W SA 1.98 25 Long term
Robsart, Canada 49 N, 109 W SA 2.22 25 Campaign
Sylvan Lake, Canada 52 N, 114 W SA 2.22 25 Campaign
Tindal, Australia 15 S, 132 E SA 1.98 25 Campaign
Urbana, USA 40 N, 88 W SA 2.66 25 Long term
Yamagawa, Japan 31 N, 131 E SA 1.95 50 Long term
  1. The Halley dynasonde operated successfully in IDI mode until it was relocated in 2008