An exchange of letters-to-editor between Warfield and Lally, concerning Warfield's previously published article titled "Corrective System for Minimizing TACAN-DME Spurious Radiation.” Lally wrote to the journal editor with comments on Warfield's article, which Warfield answered. The combined exchange of letters was printed. In the folder is an exchange of personal letters between Lally, Warfield, and H.R. Mimmo (the editor) prior to publication, concerning manuscript editing, etc.
