TS-440S with a bad case of those Dots on all bands
TS-440 having those Display Dots removed
The problem VCO Board
What caused the TS-440S dots - Conductive GOO
Fan Dipole up 45'and Coment GP-15 (6M, 2M, and 70cm) at 20'
My ham station in Illinois 1961, with the help of my Uncle below.
The original W9OEM "Gordon B. Robbins" my dads brother - Ham from 1935 to 1969-SK. BSEE from Purdue 1942 then served in the Army as a Major with the Army Signal Corps 1942-1962, last duty was in Panama then with AT&T-NY as a System Methods Engineer - Long Lines until he became a SK 1969 at 48 years of age.
Trying to get my son interested in Ham Radio in 1975 - did not work, he was only 3