Is there anyone who has experience with the 500 watt class E amplifier project for 40 m described in May '97 QST ? I wondered if it possible to modify it for 20 and 15 meter. 73 Nico on4civ -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com