Hi Del, Which pianos were you measuring and what were their sizes? Inquiring minds want to know *grin* Are the low bass strings (in a concert grand) an example of a 1/4 wave "whip" antenna? I.E. are the 1/4 of the wave length? Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T. Tuner for the Saskatchewan Centre of the Arts drose@dlcwest.com http://donrose.xoasis.com/ 3004 Grant Rd. REGINA, SK S4S 5G7 306-352-3620 or 1-888-29t-uner
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