Analog calculators for the Ham Radio

Slide rules     Slide rule history  -  Slide rule tutorial

Hemmi 266 slide rule for electronics engineers, virtual simulation

Front and back of the Concise Radio slide rule

IWA 0272 Specialized Slide Rule for Radio Designers

The history of the electronic slide rules

Nomograms     Nomography: history and tutorial

Ohm's law

Relationship between power and decibels

C and L values of resonant circuits

resistance calculation

Slide Charts     Slide charts history

Coil winding calculator

How to calculate the vector impedance

Antenna Calibration Value Calculator

Watt/volt converter

Decibel-volt-ampere-watt relationships

Electronic Engineers Nomograms          Smith Chart

Links:

RT Cafe
Edn.com
Hackaday
Sphere.bc.ca
Microwaves101
Mathinstruments
World Radio History
The Oughtred Society
International Slide Rule Museum

© 2017 - 2026 Nicola Marras Manfredi - IS1EH