antenna-theory.com

Hi.
And do not know how to achieve the bandwidth part, 470 to 700 MHz. Found decent guidance on the web for the construction of an omnidirectional collinear, but would like your expertise on how to ...

~ 12 femtowatt.

Thanks, helix.

Is the formula
Rr = 1580 * ( He / wavelength)^2
valid ?

Rr = radiation resistance,
He = effective height, expressed in fractions of a wavelength, of the distributed common-mod ...

What characteristics change when a loop antenna is made of a few turns -say 4- compared to a single turn loop of the same diameter ?

Can a 1 metre or larger diameter receiving single loop antenna be made to behave reasonably well for weak signals on UHF ?

What is radiation resistance of an antenna and how is it calculated ?

Is there any impedance chart/plot of any ATSC modern television tuner antenna input that you may let me know/refer/link to ?
Or any ATSC tuner module schematic diagram, please ?

77 ohm is a very favored mathematical impedance calculation result for minimal losses in coaxial cables.
75 is a compromise to match a 73 ohm dipole with a 77 ohm low loss coaxial..

30 ohm is a v ...

Agree it is a loop antenna.
Perhaps folded to fit a housing, and giving it a omnidirectional pattern.