Hi Dave; Tough to choose only five from the list 'cause I like them all! No particular order, but here goes: ATA / ARA SCR-274N HF+VHF AN/ARC-5, MF version AN/ARC-5, HF+VHF AN/ARC-8 = BC-348 & ART-13 Easy to tell that equipment designed by Aircraft Radio Corp is my favorite. Brad Whiting KD7GDT