January 1957 v.8 n.5
An RC Oscillator that Covers the 20 cps-20 kc Range in a Single Dial Sweep. 207A.
Design Principles of the 1001:1 Range Single-Band RC Oscillator, by Nicholas Kovalevski, B. M. Oliver
February 1957 v.8 n.6
A New 8-12 KMC Voltage-Tuned Sweep Oscillator for Faster Microwave Evaluations, by P. D. Lacy, Daniel E. Wheeler. 686A.
Backward Wave Oscillator Tubes
March 1957 v.8 n.7
A Fast Digital Recorder with Analog Output for Automatic Data Plotting, by Alan S. Bagley, Ed A. Hilton. 560A.
Operation of the Digital Recorder
April 1957 v.8 n.8
A 250 CPS-100 KC Oscillator For High Stability Applications, by Albert Ennor, Edna MacLean. 200T.
How Model 200T Stability Curves were Plotted
Higher Accuracy in Measuring Audio and Sub-Audio Frequencies, by Albert Ennor. 526C.
May/June 1957 v.8 n.9-10
A Note on Measuring Coaxial Coupler Directivity, by Howard C. Poulter
High DB-Resolution Meter Scales for -hp- VTVM’s. 400D-DB, 400H-DB.
July 1957 v.8 n-11
A Small, Convenient Frequency Counter For General-Purpose Use, by Frank Koziuk. 521C, 508A, 508B.
Some Handy uses for the -hp- 650A Test Oscillator, by Arthur Fong. 650A.
August 1957 v.8 n.12
A Rack-Mounting DC-300 KC Oscilloscope With Expandable Sweep, by Duane Dunwoodie, Dick Reynolds. 130BR.
September/October 1957 v.9 n.1-2
Permanent Record and Oscilloscope Techniques with the Microwave Sweep Oscillator, by Peter D. Lacy, Daniel E. Wheeler. 686A.
Supplement to Vol.9 N.1-2 [inside issue]
Sputnik’s Doppler Shift Measured and Recorded with -hp- Counter and Digital Recorder
November/December 1957 v.9 n.3-4
An Improved Method For Measuring Losses in Short Waveguide Lengths, by Peter D. Lacy, Kenneth E. Miller
Derivation of Waveguide Small-Loss Equation, pg 3
How Doppler Shift Records Provide Satellite Range and Height Data, pg 5