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    • Comparison of Measured and Calculated Antenna Patterns for the Islote Heater 

      Gordon, W.E.; Dobelman, J.A. (1982)
      This report presents the comparison between calculated and measured values of the radiation pattern produced by the antenna array of the Arecibo HF heating facility, located 17 km and 32.6° NE of the Arecibo Observatory in Puerto Rico. Provided are a calculated map of the pattern of the Islote heater for a fixed altitude at a frequency of 5.1 MHz, ...