The HR-10 is a receiver that covers the 80, 40, 20, 15, and 10 meter bands. The HG-10 is a VFO. Glen, K9STH Website: http://k9sth.com --- On Wed, 1/6/10, Roger Shultz <nj2r at verizon.net> wrote: The knob I seek is for a HE-10 rather than a HR-10 which is a Heathkit VFO.