HI, I bought a directional coupler with -30dB attenuation . How should i make the rectifying circuit for measuring powers up to 1.5kW ? What diode should i use ? 73 ON1DSE, jan -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com