Amateur Extra Class: 2020–2024
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E9H11:

What feature of a cardioid pattern antenna makes it useful for direction finding?

  1. A very sharp peak
  2. A very sharp single null
  3. Broadband response
  4. High radiation angle
E9H01 E9H02 E9H03 E9H04 E9H05 E9H06 E9H07 E9H08 E9H09 E9H10 E9H11