From my course notes...AN/APS 20F. 10cm set. Range 200 miles.
Aerial Rotation Speed 15, 6 or 2.5 rpm. Susceptible to sea returns, ground wave out to about 50 miles at 10,000'. Radar relay AN/ART 28. Relay Range 100 miles. Terminal Equipment 2 SPA 8A displays. etc etc. I don't ever remember using the relay on the ship, only the voice link.