Vol. 21:3 (Jul 2014) – Cal Lab Magazine

1mW Power Sensor Calibration with Vector Mismatch Corrections Based on the Direct Comparison Method

September 11, 2014 Office

by Michael Schwartz Many calibration labs are starting to calibrate power sensors or looking to increase their capabilities and frequency range. In this Metrology 101 we are hoping to help some calibration labs improve their […]

Analyzing the Effects of Reducing the Ending Zero Versus Ignoring the Trailing Zero on Measuring Instruments Used for Force Calibration

September 11, 2014 Office

by Henry Zumbrun Differing opinions are found within the ASTM E28 sub-committee regarding the proper treatment of the trailing zero following the removal of an applied force. The ASTM E28 committee is responsible for the […]

Documentation & Document Control

September 11, 2014 Office

by Kenneth Parson There is an old saying, “Say what you do” and “Do what you say. This saying is the essence of the whole matter of laboratory management, operation and accreditation. I always like […]

Report of an Interlaboratory Comparison of Phase Noise

September 11, 2014 Office

by Bart Caswell In 2013 and 2014, the U.S. Army Primary Standards Laboratory piloted a six-laboratory intercomparison (ILC) of phase noise measurements using a Fluke 9640A-LPN signal generator as the test article. The article was […]