Results

File Bag 31 - PCM radio links; Gunn effect; digital carrier pair cable; PCM/Data integration; speech and character recognition

File Bag 33 - Dot-interlace; noise calculations; overall connections; non-linear distribution; digital transmission theory; Research Planning Group 1B; character recognition; electronic switching

File Bag 41 - FM PCM noise bias; harmonic additions; PCM calculations; travelling wave amplifiers; evaluation of NL norm; filtering of PAM; improved diversity for baseband; character recognition, tangential modulation;