The - edebris Manual for Johnson Viking Desk Kilowatt Amplifier. Compliments of Mahlon Haunschild, K4OQ. and PLAYGROUND AMATEUR RADIO CLUB, W4ZBB. Also Neil E Thalaker KL7BGZ. Files: vik-kw (7 MB) vik-kw (13 MB) This is the BAMA archive. These manuals are available for download and free of Johnson Desk Kilowatt - K5OG Jan 22, 2005Johnson Desk Kilowatt Click on thumbnail for larger image. There is no doubt that the Johnson Desk Kilowatt is one of the finest (and rarest) AM transmitters ever made. This desk is in excellent condition. The only problem is that the person I purchased it from had decided to use a metallic paint when he refinished the case.