I am the proud owner of a new (to me) K3/10 arriving Monday. Never owned one, so looking for pointers to be most effective? I also ordered a new (to me) cable for the K3 to Digikeyer. I am most interested in CW and RTTY for which I will have 1k 8-pole, 500 and 200 5-pole roofing filters. -- http://www.qrz.com/db/k7on