David Ruffino has researched UFOs and abduction for over 45 years. He's an alien abduction counselor, an ordained minister and has spoken in Roswell and on radio shows. Joe Jordan is a 16 year Field Investigator for the Mutual UFO Network, president of CE4 Research Group.
*Provides complete design procedures for multiple-pole Butterworth, Chebyshev, and Bessel filters *Covers capacitors, inductors, and other components with their behavior at RF frequencies discussed in detail
