W9UCW: >So, for 50 ohms we need a choke reactance of about 200 ohms. In my opinion and experience this ratio in a coax choke is by far not enough. 73, Mauri I4JMY -- FAQ on WWW: http://www.contesting.com/FAQ/topband Submissions: topband@contesting.com Administrative requests: topband-REQUEST@contesting.com Problems: owner-topband@contesting.com