On 10/29/2022 12:47 PM, Raphael Wasserman wrote:
results using Duffy's calculator vs. AF equation. The effieciency of small untuned loop antennas is around 1%, thus creating a 20 dB difference in the calculated results.
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You would be doing well to get 1% efficiency with a TUNED loop.
For a small UNtuned loop it would be more like 0.1% efficiency or less.
Rick N6RK