Highfields Amateur Radio Club
Constructors Corner.

If no menu use the Sitemap Here.

Construction Information Page.

Component Data and Equivalents.
1964 Transistor Data Chart.	Component Recognition.	De-coding Capacitors.
De-coding Glass Fuses.	De-coding Resistors.	NEW! General Electric Valve Substitutions. (1943)	NEW! General Electric Transistor Manual. (1957)
Mullard Valve Equivalents. (1988)	Reading Diode & Transistor Markings.	RSGB Service Valve Equivalents. (1948)
NEW! Sylvania Valve Substitutions. (1950)	Transistor (& more) Equivalents (on NTE Electronics site).

General Information for Constructors.
About Meters. How they work different types etc.	Desoldering Guide.	Fuses, What and Why.
Fuses: The Markings.	Glossary of Electronic and Radio Terms, Abbreviations and Acronyms.	Protective Multiple Earthing (PME).
Reading Schematic Diagrams A Beginners Tutorial.	Soldering Guide.	Tap Guide (Thread Cutting).
Tap Hole Size (Thread Cutting).	UK Mains Electricity.	Wire Gauges and Comparision Table.
A video of F2FO making valves at home!

Hints & Tips.
Cloning Alinco Radios. (Radio to Radio)	Cloning Icom Radios. (Radio to Radio)	Cloning Kenwood Radios. (Radio to Radio)	Cloning Wouxun Radios. (Radio to Radio)
Coaxial connectors Maximum Frequency use Chart.	Icom Programming Software & Leads Information.	Kenwood Programming Software & Leads Information.	Lowe Programming Software & Leads Information.
Protecting outdoor connections etc with Silicone Grease.	Television Interference (TVI) Flow Chart. (HTML version, suitable for all screen readers).	Television Interference (TVI) Flow Chart. (JavaScript version, unsuitable for some screen readers).	Yaesu Programming Software & Leads Information.
Vertex Standard Programming Software & Leads Information. (combined with Yaesu)

Warnings & Precautions.
A Cautionary Tale. Let's all learn from this.	Electrostatic Discharge & Precautions.	Fake Electronic Components.	How Safe Is It? UK Mains Sockets
HSE Solder Flux (Rosin) Precautions Booklet.		Warning Symbols.