Yes, that's correct. The HR10 couldn't pull signal either. I haven't seen the attenuator on radio shack's website. Is this something they may just have at the store and not listed? Can't really find to many others on the net as well. Any suggestions?
They should have both the little nipple style 75 ohm terminations and the variable attenuator in the store...I bought them both there. I never looked on line.