Highfields Amateur Radio Club
Constructors Corner.

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Index Page.
Visitor input would be much appreciated, webmaster@highfields-arc.co.uk.

Disclaimer:
The webmaster and/or the Highfields ARC can not be held responsible for any circuits, projects or other data submitted here.
All information is hosted in good faith and, where possible, checked for accuracy, but this is no guarantee.

Some other information for those looking to work on a radio, order equipment and supplies, or try a different programming software...

Different Types of Radios - Types of Programming Software - How to Order Equipment
Work Order Software - Other Work and Modifications to be Done

Click on the heading to go to that area. Listed below each heading is the content for that section. Clicking the appropriate sub heading will take you to direct to that section.
Some of the items listed require Java enabled browsers, these are marked with (J).


NEW Content!

Microphone Wiring Index Page.

Over 2400 radios & more than 300 mics listed from over 240 brands.
Includes:
Amateur, CB, PMR and Military Radios;
Microphone Cable Colours & Pin Outs



  • Component Data and Equivalents:
  • 1964 Transistor Data.
  • Component Recognition.
  • De-coding Capacitors.
  • De-coding Glass Fuses.
  • De-coding Resistors.
  • Fake Electronic Components.
  • GE Transistor Manual (1957).
  • GE Valve Substitutions (1943).
  • Mullard Valve Equivalents (1958).
  • Reading Diode & Transistor Markings.
  • RSGB Service Valve Equivalents (1948).
  • Sylvania Valve Substitutions(1950).

  • General Information:
  • About Meters.
  • Desoldering Guide.
  • Fuses, What and Why.
  • Glossary of Terms.
  • Protective Multiple Earthing (PME).
  • Reading Schematic Diagrams, Beginners Tutorial.
  • Soldering Guide.
  • Tap Guide.
  • Tap Hole Size.
  • Wire Gauges and Comparision Table.
  • A video of F2FO making valves at home!



  • Hints & Tips:
  • Cloning Alinco
  • Cloning Icom
  • Cloning Kenwood
  • Cloning Wouxun
  • Coaxial connectors maximum frequency use Chart.
  • Icom Programming Info
  • Kenwood Programming Info
  • Lowe Programming Info
  • Protecting outdoor connections etc with Silicone Grease.
  • TVI Flow Chart.
  • TVI Flow Chart (J).
  • Vertex Standard Programming Info
  • Yaesu Programming Info



  • Warnings & Precautions:
  • A Cautionary Tale.
  • Electrostatic Discharge & Precautions.
  • Fake Electronic Components.
  • How safe is it?
  • Solder Flux (Rosin) Precautions.
  • Warning Symbols.
 
  • Antenna:
  • Coax Length Calculator (J).
  • Coax Loss Calculator & Comparison.(J).
  • Simple Dipole Frequency to Length Calculator (J).
  • J-Pole Frequency to Dimensions Calculator (J).
  • Quad-beam Calculator (J).



  • Capacitor:
  • Capacitance Unit Converter (J).
  • Capacitor 3 Digit Code Decoder (J).
  • Capacitor Charge / Energy Calculator (J).
  • Capacitor / Inductor Resonance. (J)
  • Capacitor Reactance.
  • Series / Parallel Calculator (J).



  • Filters:
  • Band Pass. (J)
  • Band Stop (Notch). (J)
  • Low Pass. (J)
  • High Pass. (J)



  • Inductor:
  • Inductor / Capacitor Resonance. (J)
  • Inductor Code Converters (Colours to Value and Value to Colours) (J).
  • Inductor Reactance.

  • Resistor:
  • 4 & 5 -Band Resistor Code Converters (Colours to Value and Value to Colours) (J).
  • Closest Standard Value Availability. (J)
  • LED Series Resistor (J).
  • Potential Divider (J).
  • Series / Parallel (J).



  • Other:
  • Battery Usable Life. (J)
  • Capacitor / Frequency / Inductor. (J)
  • Heatsink evaluation and calculation.
  • Ohms Law (J).
  • Pi Attenuator (J).
  • Voltage Drop in a wire (J).
 
  • Antenna:
  • 2 Metre DF
  • Dummy Load
  • Fitting Co-ax Plugs
  • HF Mobile Antennas
  • Ionic Fluid Antenna
  • J-pole.
  • Slim Jims
  • Stealth Directional Antenna for Top Band (SPOOF/APRIL FOOL)

  • Data Transfer:
  • Alinco cloning cables
  • Icom Programming Software
  • Icom EX-1196
  • Icom OPC-017A
  • Icom OPC-118
  • Icom OPC-129
  • Icom OPC-168
  • Icom OPC-298
  • Icom OPC-474
  • Icom OPC-476
  • Icom OPC-478/OPC-552 & CI-V cable
  • Icom OPC-591
  • Icom OPC-592
  • Icom OPC-782
  • Icom OPC-1122
  • Icom OPC-1529R
  • Icom OPC-1532
  • Icom Programming Info
  • Kenwood DOS Programming
  • Kenwood E30-3382-05 Cloning Cable
  • Kenwood E30-3411-05 Cloning Cable
  • Kenwood E30-3411-05 Cloning Cable
  • Kenwood KCT-40
  • Kenwood KPG-4
  • Kenwood KPG-8
  • Kenwood KPG-22
  • Kenwood KPG-46
  • Kenwood PG-4S
  • Kenwood PG-4W
  • Kenwood PG-4Y
  • Kenwood PG-5A
  • Kenwood PG-5G
  • Kenwood PG-5H
  • Kenwood Programming Info
  • Lowe Programming Software
  • Lowe HF-250/250E to PC Cable
  • Lowe Programming Info
  • Maas DX5000 Programming Cable
  • Null Modem cable
  • Standard (Straight) Serial cable
  • Yaesu cloning cables
  • Yaesu FT-847 CAT cable

  • Microphone:
  • Alinco EDS-8
  • Fitting a Dynamic Mic to an Icom HF radio
  • Icom OPC-589
  • Kenwood MJ-88
  • Yaesu CT-69
  • Yaesu CT-69 (Modified)

  • Power Supply:
  • Duplex type battery from a camera battery
  • Icom IC-AT100/AT500
    AC/DC Power Plug
  • Icom IC-251/351/451/551
    AC/DC Power Plug
  • Reverse Polarity Protection
  • Watch Battery Adapter
  • Yaesu FNB-72
  • Yaesu FNB-59/79

  • Test Equipment:
  • RF Detection Probe
  • RF Sampler

  • Other:
  • 25 to 9 pin serial adaptor
  • EPROM eraser
  • Icom OPC-889/1155/1156

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