After 38 years of continuous Soviet jamming of Radio Free Europe and Radio Liberty, millions of people in Eastern Europe and the Soviet Union are now getting news programming "loud and clear" from the West about their own cultures. Word that the more than 2,000 jamming transmitters in Russia, other Soviet states and Afghanistan had shut down spread through Europe on Wednesday as shortwave radio operators discovered the annoying, raspy hum of Soviet interference was no longer heard over U.S., West German, Israeli or other broadcasts.