John Graham “Surplus Test Equipment” talk, 7 November 2017

On Tuesday 7 November 2017, John Graham delivered his exceptionally learned talk on Surplus Test Equipment for the Amateur Laboratory.  Below are a list of relevant links:

Yahoo groups:

Sources of pdf manuals

PDFs for sale: Artek, Mauritron, etc

Other links

Farson, AB4OJ: Noise Power Ratio (NPR) Testing of HF Receivers:

Verbana, I2VGO: Measurement of all products intermodulation on HF receivers:

KE5FX GPIB Toolkit: