cr88CR88, ATHSP90.5, ATHSP90C, EMB1956, EMBRYO DEFECTIVE 1956, HEAT SHOCK PROTEIN 88.1, HEAT SHOCK PROTEIN 90.5, HSP88.1, HSP90.5, HSP90C: Background:History of the AR-88 Series. RCA's greatest general purpose communications receiver creation was the AR-88, a receiver that achieved its renown by providing top performance and hh