Original poster: "Paul Nicholson by way of Terry Fritz <twftesla-at-qwest-dot-net>" <paul-at-abelian.demon.co.uk> A high precision method for measurement of Q-factor, resonant frequency, input impedance, energy storage inductance, and coupling coefficient: http://www.abelian.demon.co.uk/tssp/tcma/ -- Paul Nicholson --