In a recent message, Roy Morris <w4wfb at carolina.rr.com> wrote ... >With the radio tuned to WWV and in the REF CAL menu, the SPOT button >does not give a tone to zero beat WWV. Are you sure, Roy? I have 1.77 installed and SPOT works okay, both from within REF CAL and operating normally. 73 -- David G4DMP Leeds, England, UK ------