ac6v's guide to ham radio frequencies and general frequency listening quick click iaru region 2 mf/hf band plan – effective jan 1st amateur . Museum Hours: Open daily May 12th to September 30th. ( A.M. to P.M.) Admission fee – Children (under 12) – Free Gate fees: are $, Members free. Come and view Canada’s only Amateur Radio Museum. The usual formula is: minimum total length (in feet) = / f (in MHz), where f is the lowest intended frequency. Subtract 4% if using .