calculator

N3DNO's Antenna calculator - A 3 element yagi antenna calculator that uses javascript by N3DNO

KC0TKS Antenna Calculators - Allow calculation of a dipole, 3 element yagi and a vertical antenna

Magnetic Loop calculator - Windows antenna design program for magnetic loops antennas by DG0KW

Transmission Line Calculator - This web page allows you to perform transmission line calculations by using an applet instead of a Smith chart

C-Pole antenna calculator - Based on the original design by Brian Cake, KF2YN this online calculator let you find the correct dimensions for a cpole antenna

HF Bazooka antennas - French page with bazooka antenna design information and bazooka calculator

Coax Dipole Calculator - An efficient program to calculate dimensions of coax dipoles, or bazooka antennas considering velocity length of different coax cables. Express dimensions in feet/inch and meters/cm. Freeware by VE3SQB

Inverted Vee calculator - Online calculator for dipole and inverted vee antennas

AA3RL Transmission Line Calculator - Excel spreasheet that calculate virtually every transmission line parameter that one may need. Include Length conversions, Reactance and Length of Stubs

2 Meter Jpole Calculator - build your own 2 meter JPOLE Antenna

Log Periodic Antenna Design  ^pop - calculates the dimensions and spacings of the elements needed to build a log periodic antenna, given tao, sigma and the lower and upper cutoff frequencies.

Loop Antennas and Calculator - The purpose of the calculator is to give you a quick overview of the feasibility of "squeezing" a loop into your available yard or apartment space. The calculator yields a reasonable approximation of dimensions, to within 5% over the amateur bands, using typical wire gauges ranging from 12-18 AWG.

Quad antenna calculator - To get the dimensions for your quad, all you have to do is type in the center frequency of the range where you talk, or the frequency you use most and then click the Calculate button.

Javascript antenna calculations - Javascript online calculators for dipole 5/8 verticals with radials, and delta loop antennas

Coax Cable loss and SWR calculator - This small window application will calculate Coax Cable loss from SWR and SWR from Cable Loss

HF Beam Calculator - A javascipt online calculator for 2 and 3 element beam antennas. Just input frequency and will diplay element dimensions and spacing. Measurements in Feet and Meters by G4VWL

JavaScript Electronic Notebook, K7MEM - It consists of a group of JavaScript® driven web pages that are intended for use as a quick reference for Ham Radio operators or just anyone interested in electronics. Offer calculators for Resistors, capacitors, inductors, power supplies, filters, attenuators and antennas

Great Circle Calculator - A javascript online calculator of bearing and distances by G4VWL

Ham Radio Reference (HRR) - A collection of calculators, contest schedules, references, databases and more for Palm OS by KB7AVT

HAMCALC - The function that is actually implemented is a QRB and QTF calculator, but the idea is to make a complete toolkit with DXCC database, logging and so on.

Mini Ring Core Calculator - The easy way to calculate toroid cores.

T-Pad / H-Pad Resistance Calculator - This calculator is designed to give resistor values for unbalanced T-pads, and for balanced H-pads.

Online Calculators for Radio & Electronic Design - Online calculators for toroid coil, air-core coil inductance, XL, XC, and more.

Accurate Inductance Calculator - This page allows you to calculate in the most accurate way high-Q inductor coils.

Toroid Winding Calculator - Choose Iron Powder or Ferrite and calculate required turns