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Thanks so much for your comments, which I hope are pointing me in a more valid direction.
My confusion, was in part due to several "on-line link-budget" calculators found on the web. For example
1. Wikipedia also points to **broken link removed**
which includes the Transmitting...
The well know Friis's Equation gives the free space loss from one isotropic antenna to another with variables being the frequency, wave length, and distance between antennas.
When the transmitting or receiving or both antennas are directional, then the gain of the antennas (in db) is subtracted...
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