im calculator

71 links

Amateur Vertical Antenna Calculator ^pop - This basic calculator is designed to give the aproximate length (height) of a particular vertical antenna, for the frequency and wavelength chosen.
[ Hits: 46450 | Votes: 230 | Rating: 5.48 ]
EH Antenna calculator ^updated - Calculate eh antenna components dimension with this online form
[ Hits: 20627 | Votes: 80 | Rating: 5.46 ]
Magnetic Loop calculator - Magnetic loop antenna calculator and loop antenna design program for windows let you calculate dimensions for magnetic loops antennas, in german
[ Hits: 6757 | Votes: 36 | Rating: 4.61 ]

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
[ Hits: 17578 | Votes: 74 | Rating: 5.31 ]

SWR Calculator - BesserNet Reflectometer is a fun SWR calculator and simulator Java applet
[ Hits: 4092 | Votes: 24 | Rating: 4.6 ]

Helical Antenna Calculator - This is my simple implementation of the ARRL Antenna Book design equations for the axial-mode helical antenna.
[ Hits: 4644 | Votes: 47 | Rating: 5.55 ]

J-Pole antenna design ^pop - Complete guide to build Jpole antennas with online dimensions calculator.
[ Hits: 51499 | Votes: 82 | Rating: 5.65 ]

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.
[ Hits: 34834 | Votes: 295 | Rating: 6.04 ]

Loop Antennas and Calculator ^updated - KA1FSB loop calculator give you a quick overview of the feasibility of "squeezing" a loop into your available yard or apartment space. The easy calculator yields a reasonable approximation of dimensions, to within 5% over the amateur bands, using typical wire gauges ranging from 12-18 AWG.
[ Hits: 16115 | Votes: 61 | Rating: 6.43 ]

J Pole calculator ^pop - Enter the operating frequency and calculate dimensions of your jpole antenna
[ Hits: 49473 | Votes: 184 | Rating: 6.36 ]
HamCalc v1.3 ^pop - HamCalc is a free collection of calculators for radio amateurs include Antenna ERP calculations, Attenuators, Audio Filter design, Coil Winding, Decibels, Great Circles map and calculator, HF Filters, HF Traps, Metric conversions OP Amps QRA Locator to Latitude/Longitude, Radio Horizon calculator, Resonance Satellite orbit calculator Timer calculations (555 timer)Zener Diode calculations Download zip By G4VWL
[ Hits: 28845 | Votes: 114 | Rating: 5.57 ]
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
[ Hits: 3438 | Votes: 27 | Rating: 5.45 ]

atlc - Arbitrary Transmission Line Calculator. - Unix or linux programme atlc calculates the impedance of electrical transmission lines of totally arbitrary cross section.
[ Hits: 1581 | Votes: 9 | Rating: 6.44 ]

W9DMK Software - Various radio related software, including some antenna analysis, and impedance calculators.
[ Hits: 2891 | Votes: 6 | Rating: 6 ]

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.
[ Hits: 688 | Votes: 2 | Rating: 8 ]

Smith chart calculator - linSmith is a Smith Charting program, mainly designed for educational use. It allows defining multiple load impedances (different frequencies), and adding components (discrete components and line sections) in series and parallel. It plots the impedances on the screen, shows the values in table format, and is able to generate publication quality Postscript output.
[ Hits: 4123 | Votes: 28 | Rating: 3.92 ]

HAMIC - The Ham Intelligent Calculator - HAMIC, is a program designed to simplify a number of calculations commonly used by HAMs. It is designed for the HAM radio hobbyist, but may be useful to others as well. HAMIC has a simple to use, but powerful graphical interface that allows solving simple circuits such as resistors in series or parallel, or more complex circuits such as L networks or T networks. As well, other calculations such as SWR and reactance conversions are supported. Windows shareware.
[ Hits: 1774 | Votes: 2 | Rating: 5.5 ]

Amateur Radio RF Safety Calculator ^updated - University of Texas Amateur Radio Club RF-Calculator. This is a main beam power density estimation program intended for use as part of a routine evaluation of RF safety compliance with FCC regulations
[ Hits: 6115 | Votes: 28 | Rating: 7.97 ]

Coaxial Cable & Power Handling - This calculator can be used to estimate the attenuation (dB loss), power handling capability, and transmission efficiency for some of the more popular Wireless Communications and MIL Spec cables at the frequency of interest
[ Hits: 1183 | Votes: 8 | Rating: 8.17 ]