X_l=2\pi fL

Q={f \over\delta f}={X_L\over2 (R_R+R_L)}

R_R=3.12 \times10^4[{NA\over\lambda^2}]^2

V_C=\sqrt {PX_LQ}

I_L=\sqrt {PQ\over X_L}

where:

where

XL = inductive reactance, ohms

f = frequency, Hz

Δf = bandwidth, Hz

RR = radiation resistance, ohms

RL = loss resistance, ohms (see text)

N = number of turns

A = area enclosed by loop, square meters

λ = wavelength at operating frequency, meters VC = voltage across capacitor

P = power, watts

IL = resonant circulating current in loop