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IK0WRB Radio Page
The Amateur Radio Computer
The idea and code for the first four tables below, present here since 1995, was reproduced, without quoting the source, in the following web page:
www.aripescara.org/utility.htm
(note added in February 2006)
Wavelength Calculator
Wavelength (meters)
Wavelength (feet)
Frequency (MHz)
Resonance Calculator
Inductance (µH)
Capacity (pF)
Frequency (MHz)
The Ohm's Law
Voltage (V)
Current (A)
Resistence (Ohm)
Air Condensers Calculator
Surface (square cm)
Separation (mm)
Capacity (pF)
Coils Calculator
Adapted from a Basic program by KA4KNG, David E. Powell
Input Values
Desired inductance (µH)
Wire diameter (mm)
Diameter of coil form (cm)
Output Values
Overall coil diameter (cm)
Average coil diameter (cm)
Depth of coil (mm)
Length of coil (cm)
Length of wire (m)
Number of layers
Number of turns
Number of turns per layer
Actual inductance (µH)
Coil DC resistance (Ohm)
Worldwide Locators
Locator
Latitude (degrees.decimals)
Deg.
Min.
Sec.
Longitude (degrees.decimals)
Deg.
Min.
Sec.
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© 1995-2001
Vinicio Coletti