Dan KL7Y makes a good point in his post
regarding the T antenna having an over head
null in it's radiation pattern. It is often
overlooked that the quarter wave(or shorter)
vertical is NOT an isotropic radiator. It has
a definite pattern with nulls and directivity.
While the vertical is certainly not an ideal
receive antenna, in some circumstances as
noted by Dan it may null out certain high
angle interference sources.
Jon NO0Y
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