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Originally Posted by Viking Sailor  The term y'all is lookin' for is Path Loss. Pass Loss is a far field effect that follows the inverse-square law. Polarization loss varies between 0 and 6 dB's. Multi-path loss (fade) can approach 100%. Space weather can also affect the propagation of HF signals.
In the MF/HF range the best DX omni antenna is the 5/8 wavelength vertical over saltwater. It has a lower radiation angle and gain over the vertical dipole. |
Yes, but Path Loss is independant of the antenna. Is there a single term that covers antenna gain, polarization, pointing, which skip angle is used, and path loss?
Also, with respect to polarization mismatch, can't the loss approach infinite? I realize that in the real-world, all signals are at least somewhat elliptically polarized, but if you had an ideal vertical/horizontal, or clockwise/ccw mismatch, wouldn't the loss be huge?
For me, the insulated backstay antenna is good enough. I've got a good ground, and a tuner, and I like the mechanical simplicity and clean installation. I've already got too many lines and wires running all over the place, so the idea of adding more junk up there just doesn't appeal to me.