Hello All !!!! Got the keyer hooked up to my C22 along with the DSP-9 filter !!! What a difference for the C22 !!! Its a contest monster now !!!! ..... hihi Condx on 10 meters STINK ... running 5W from my C22 to a Cushcraft AR-10 Ringo vertical up 25 ft .. for today is beam is badly NEEDED !!! 73S George Osier , N2JNZ