January 1951 v.2 n.5
The High-Speed Frequency Counter – A New Solution to Old Problems, by A. S. Bagley. 524A.
February 1951 v.2 n.6
The -hp- Program for Waveguide Type Measuring Equipment, by N. B. Schrock. 809B, 810B, 444A, 806B, S810A, 442A.
March/April 1951 v.2 n.7-8
Power Measurements from 10 to 12,400 Megacycles, by B. P. Hand, N. B. Schrock. 476A, 430B.
May 1951 v.2 n.9
June 1951 v.2 n.10
A New Generator of Frequencies Down to 0.01 CPS, by R. H. Brunner. 202A.
July 1951 v.2 n.11
Accuracy in -hp- Voltmeters and Oscillators, by R. M. Demere, Brunton Bauer. 400A.
August 1951 v.2 n.12
-hp- Distortion Measuring Equipment, by Brunton Bauer. 300A, 330B, 330D, 320B.
September 1951 v.3 n.1
Good Practice in Slotted Line Measurements (Part I), by W. B. Wholey
October 1951 v.3 n.2
Two New Test Sets for SHF Measurements. 623B, 624A.
Good Practice in Slotted Line Measurements (Conclusion), by W. B. Wholey. 624A, 623B.
November 1951 v.3 n.3
Recent Developments in -hp- Waveguide Type Measuring Equipment, by J. K. Hunton, N. B. Schrock. 444A, 806B.
December 1951 v.3 n.4
Oscillators for many purposes. 650A, 204A.