Why short-range radio suited fighter direction

Why did shorter-range UHF or VHF radio suit fighter-direction work?

Its limited reach reduced distant interception, and British and US forces recognized that advantage at roughly the same time.

A viewer notes that UHF or VHF signals did not carry as far and therefore could be used more safely for fighter direction. The United States Navy and Royal Navy reached that insight at roughly the same time. British work is connected to operational experience in the Mediterranean and the search for effective fighter control. The exchange shows how a radio system's limited reach could become a security advantage rather than merely a technical constraint.