This site is dedicated to homebrew QRP operation.
I will include a section for experiments.
Best 73,
David Ojeda
SK
This program for Excel calculates the Electric Field (V/meter) at a particular distance using the smooth earth ground wave propagation Norton model.
This program is useful for those operating in the ELF, VLF and LF bands to estimate signal levels with known Effective Radiated Power (ERP).
Inductance Calculator for an air core coil in Excel
This simple Excel macro determines the inductance of a coil based on the dimensions and number of turns.