D. Reginald Tibbetts books & textbook
QST: Devoted Entirely to Amateur Radio, vol. XL (40), no. 12 (December 1956) (Automatic antenna tuning, losses in feed lines, phased array, 4X150A as grounded linear, HQ-150 receiver, signal slicers)
Edward P. Tilton Byron Goodman A. E. Lux L. J. Jensen Sam Canter E. Laird Campbell Herman Lukoff V. R. Simas Lewis G. McCoy C. Vernon Chambers Kurt Fritz D. Reginald Tibbetts Sumner B. Young A. L. Budlong
American Radio Relay League /1956T Journal / 200 Pages