Free SWL and ham software

Here is a nice list of software utilities for the shortwave listener and ham radio operators

Most of this free software for amateur radio or shortwave runs on Windows platforms.

RFSim99 – Free RF Design Software

    AppCAD – Free RF Design Tool

    – WinSmith – Smith Chart software (for Windows 32-bit)

    – TX-line – Transmission Line Calculator AWR

    – 4nec2 – Free 2D and 3D Antenna Software
    – Qucs – Free RF Circuit Simulator

    – LTspice – Free Spice Simulator

    – Sonnet Lite – Free EM Software

    – Feko Lite – Free EM Software

    – Ansoft Designer SV – Free RF Circuit Simulator

    – CST Student Edition – Free EM Simulator

    – AADE – Free Filter Design Software

    – TonneSoftware – Free RF Software’s

    – SMWLink – Free MW Link and Satellite Software

    – ADIsimPLL – Free PLL Simulation Software

    – ADIsimRF – Free RF System Design Tools

    – FilterLab – Free Active Filter Design Software

    – CircuitMaker – Free Spice Simulator

    – Micro-Cap – Free Circuit Simulator

    – MPLAB-Mindi – Free Analog Simulator

    – SimSmith – Smith Chart Tool

    – Smith v4.1 – Smith Chart and S-Parameter Tool

    – RF & Microwave – Graphical Design Tools

    – Amanogawa – Interactive RF Java Applets

    – DL5SWB – Toroid Ring Core Calculator

    – Toroids.info – Online Toroid Calculator

    – Saturn – Free PCB Design Toolkit

    – Dishal – Free Crystal Ladder Filter Software

    – Afar Communications – RF Link Budget Calculator

    – Murata – Online RF Components Characteristics

    – Johanson – RF Components Modeling Program

    – Afreet Software Inc. – Free Ham Radio Software

    – Coil32 – Online Inductor Calculators

    – MultiSIM Education – Free Spice Simulator

    – RF Wireless World – RF Converters and Calculators

    – Pasternack – RF Calculators and Conversions

    – Planar Spiral Coil Inductor Calculator

    – Online LC Filter Design – WA4DSY

    – Online RF Calculators – VK2ZAY

    – Impedance Calculators – Mantaro

    – Qorvo – RF Design Calculators and Tools

    – SIMetrix/SIMPLIS – Free Circuit Simulator

    – NgSpice – Free Mixed Mode Simulator

    – All About Circuits – RF Tools and Calculators

    – PCB Calculator – Impedance, Crosstalk, Current

    – Coaxial Cable and Matched Loss Calculator

    – Online Calculators for DIY Coil Winding

    – Micro-Cap – Free Spice and Schematic Software

    – OwenDuffy – Online RF Calculators

Freeware - powerful and easy-to-use logging applications for radio enthusiasts
Powerful and easy-to-use logging applications for radio enthusiasts

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