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    Icom IC-2720 DriveAmp Transistor Failure

    I have the subject dual band 2 mtr/70 cm fm transceiver. It habitually blows Q25 (2sk3075) drive amplifier in the power amplifier. I have replaced this transistor several times and the unit may work for a month or several months before blowing this transistor again. Has anyone else had the...
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    Separation of 2 meter and 70 cm Yagis

    I have a 13 element 2 meter yagi and a 15 element for 70 cm. I would like to mount them both vertically polarized with the 70 cm yagi on top. Do anyone have any idea what the minimum vertical spacing between the two yagis ought to be? Thanks, Bill KC5MN