I sent a sample of the ks1001 diode from the 86 to a Ron Joss at Microsemi corp. He says there are diodes available which will do the job and will make a recommendation. Will keep you posted Marty/w7apm -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com