Larry Junstrom 's call letters K4EB stand for `` Known 4 Excellent Bass '' .
Donnie Van Zant , the younger brother of the Lynyrd Skynyrd leader , Ronnie Van Zant , formed .38 Special in 1974 , with Junstrom joining as the bass guitarist in 1977.An avid amateur radio operator , he has the call letters K4EB which translate to `` Known 4 Electric Bass '' .
Larry Junstrom