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W1TAG / WD2XES    John K. Andrews   Holden, MA FN42ch   [ w1tag@charter.net ]

Articles on LF Communications and Measurements

Some of the material below has been published in "The Lowdown", the monthly magazine of the Long Wave Club of America.

Keyboard Modes for 600 Meters
Low Frequency Field Strength Measurements
Operating Modes Used in Low Frequency Experimental Work
Notes on RF Ammeters for LF work
25 Miles on a 1N34A
A Simple Phasing SSB Exciter for JASON and Spectrum Laboratory
General Radio 516 Bridge Calculator
Simple Argo frequency calibration
Use the WOLF GUI to calibrate your sound card sampling rate.
The First WOLF QSO - the hard way...