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Keywords: LORAN AN-APN-4 receiver set.jpg Uploaded with en wp UW marker 2014 04 15 An image of the AN/APN-4 receiver set used with LORAN-A This set was deliberately built to be similar to the UK's Gee system which also consisted of two parts as here This allowed Gee and LORAN systems to be easily interchanged simply by changing the receiver section http //www ibiblio org/hyperwar/USN/ref/RADTWOA/RADTWOA-5 html 1945 US Navy PD-USGov-Military-Navy Equipment of the United States Navy |