Foreword (Dec. 1955 [T-MTT])

To keep our membership abreast of the latest developments in the microwave art, this volume of Transactions is devoted exclusively to the publication of the PGMTT-sponsored papers presented at the Annual 1955 URSI-IRE meeting held in Washington, D. C. The two sessions at which the papers were read were organized by the Group in cooperation with Commission 6 of URSI. The IRE Professional Group on Microwave Theory and Techniques wish to extend their thanks to Dr. E. C. Jordan, Chairman of Commission 6 of the U. S. A. National Committee of URSI and to Dr. W. E. Gordan, Secretary-Treasurer of the National Commission URSI, for their help and advice in the organization of these microwave sessions.