Government tests revealed the landing beam was not faulty, but TWA refused to accept those results and was persuaded only when independent testing confirmed the results.
3.
Between 10-20 beacons were commissioned by May 1945.30 channels were available with 2 more being reserved for airfield ILS . Beacons were usually placed 20 km from a runway, The pilot would over fly the beacon and then circle until he acquired the ILS landing beam on the "'FuBL 2 "'equipment.
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