Hi Howard:
That's what I ran with my Yaesu FT-450. The only diff is I ran HRD on my computer connected to 1 of the RRCs while my rig was connected to the 2nd RRC out at my Parents.
You don't have to use Elecraft, the remote rig supports XCVRs with sep kits and a Yaesu twin setup.
73:
Michael DE VO1AX
Sent from my iPhone