Antennas, Transmission lines, Propagation. cocoaNEC 2.0 is a Mac OS X application intended primarily for the design and modeling of antennas. DX Toolbox gathers information from the web on solar and geomagnetic conditions that affect radio propagation. It displays in real-time Solar Flux, A-Index, K-Index, and much more.

OS X application to control and display information from the Elecraft KAT500 automatic antenna tuner. Developed by DL2RUM.

RF Toolbox (formerly Antenna Master) is an antenna design electronics/electrical tool package. It takes you step by step through the design of a variety of antenna types including Dipole, Fat Dipole, Yagi, J-Pole and more. A Java-based application for development of Smith charts. Written by AE6TY for use with OS X, Windows, and Linux. Finally there is a Mac Dashboard Widget version of Paul Herrmans, N0NBH, solar terrestrial data!. This is a simulator for the popular, series capacitor, parallel inductor T-network tuners. As a java applet/application, you can run this program through your web browser.

A transmission line caculator Java applet that can be run on your computer or by using your web browser and the Internet. See instructions for downloading and running on your computer. (Voice of America Coverage Analysis Program) is free professional high-frequency (HF) propagation prediction software from NTIA/ ITS, originally developed for Voice of America (VOA). Weak Signal Propagation Reporter (WSPR) software for analysis of propagation paths using very weak signals. Supports automatic online reporting of receptions reports.

Superseded by WSJT-X with WSPR mode included. for OSX allows you to configure your SOTABEAMS WSPRLite transmitter.

Reverse beacon network for WSPR mode. Allow you to see who you hear as well as who can hear you worldwide. Historical database contain more than 220 million spots. This java applet/application implements a simple yagi modeling code. The initial input is a really trivial 2-element yagi. Audio Analysis, Recording, and Signal Generation.

Amadeus Pro is a powerful multitrack audio editor supporting a variety of formats including MP3, AAC and more. Has a variety of tools for adjusting audio, making sonograms or performing spectrum analysis of your recordings. Audacity is a free, easy-to-use open-source and cross-platform audio editor. You can use Audacity record, import/export, edit and perform detailed analysis of any recording.

Audiocorder is a sophisticated yet easy to use audio recording program that allows you to record from any audio source connected to your Mac with a click of a button. Simple-to-use audio analysis and waveform visualization tool. It is now retired but we have used it and it works well. iSpectrum is a free, simple and easy to use audio spectrum analyzer that allows the user to view live audio in a standard frequency plot as well as a waterfall display. Cable-Free audio routing through virtual audio cables.

Ideal for connecting ham radio software to a variety of inputs and outputs. Professional quality signal analyzer, 1/3 octave RTA, signal generator, and more. Perform real-time analysis using your Mac’s sound input for the signal source.

SignalScope is a signal analyzer designed to work with Mac OS X compatible audio hardware. It functions as a FFT analyzer as well as an oscilloscope. Also available in a Pro version. Cable-free routing of audio between any applications using virtual audio devices.

An excellent way to connect SDRs and other radios to a variety of input and outputs. A multi-instrument real time audio analyzer for Mac OS X with more than 20 different multi-channel meters including Level, VU, Spectrograph, Spectrogram and more. Versatile, real-time, precision signal / waveform generator.

Precision waveform generation with 6 digit frequency resolution and an intuitive, easy to use analog-style signal generator user interface. Full featured audio editor for Mac OS X v10.4 or newer as well as iPad. Free for home use, or purchase for full access to professional features. Blogs, Websites, Email Reflector Lists and Social Media Sites. Facebook page dedicated to OS X and iOS amateur radio. Mostly in German. Your independent source for Amateur Radio news for today’s radio amateur.

An active part of the amateur community for more than 35 years!!!. Mailing list for support of dogparkSDR software. Generic mailing list for all of Dog Park Software’s products. Useful if one is having issues with the Yahoo Groups lists. Email reflector for ham radio operation on Macs. Ham Nation is an ongong podcast hosted by Bob Heil, Gordon West, George Thomas, Don Wilbanks and Cheryl Lasik and brought to you by TWiT.TV.

Mailing list for support of Fl. software on Linux and OS X. MacHamRadio.com’s Facebook page. Facebook page dedicated to Ham Radio & Mac computers.

Support mailing list for MacLoggerDX logbook program. Yahoo mailing list for amateur radio using Macs. Great knowledge base, but low activity level. Circuit Design, Analysis, Aids.

Draw, save, edit and print complete professional circuit diagrams using powerful features like bussing, multi-level Undo/Redo, and automatic gate packaging. KiCad is an open-source cross-platform schematic capture software package for circuit design.

LTspice IV is a powerful simulation and schematic capture, PCB layout and 3D viewer package for OS X, Windows and Linux. MacSpice simulates and analyses electronic circuits that can range in complexity from a single resistor to an integrated circuit comprising tens-of-thousands of devices. Osmond PCB is a flexible Macintosh application that allows anyone to easily design printed circuit boards.

Continuously updated, flexible, and easy-to-use. PCBWarrior is a PCB-Layout software for older systems. Includes an easy, intuitive workflow with no limitation in board size, part count or layers.

Complete Physics calculator including circuit design. Build a virtual series-parallel resistor circuit with mulitple voltage sources. Check the currents anywhere in the circuit and find the power, current and voltage through every resistor!. Java based Smith chart software for OS X, Linux and Windows. Software for electronic circuit analysis and resolution.

With Solve Elec you can draw and analyze electrical circuits (AC or DC), get literal formulas and values for current and voltages, verify circuit equations, draw graphs, and more. Contesting.

Online submission and analysis of scores for contests. Cab-converter(TM) is a program that helps amateur radio contesters by converting a log from a radio contest into the Cabrillo file format which may be submitted to the contest. Worldwide home for contesting information and advice. Updated country files for use in most contesting software as well as some general logging and digital mode software. A Field Day logger client for iOS, OS X and Android to talk with HamLog Field Day Server. Logs are synchronized with the FDS meaning you could use iPad’s at each station, all talking to the server, and keep the logs synchronized. Server-side application to work with HamLog FD.

Takes logs from all stations using HamLog FD on the same network and combines them to one log. RUMped is a DXpedition and contest logging tool for OSX. RUMped supports most major contests and also contains a general contest mode for unsupported contests, while new contests can be added by the user and shared with others.

Superseded by the contest module in RUMlogNG. SCR-Log is freeware for School, Club, and Individual class stations participating in the School Club Roundup. SkookumLogger ia a contest logger for OS X 10.7 or later. It supports CW and SSB contests on HF plus 6m-70cm. Several dozen contests are supported with more added as requested. European-centric website dedicated to HF contesting. Excellent website with comprehensive contest coverage, RSS feed and iCal interface as well.

Digital Modes / CW / APRS / TNC. The aprs.io iOS app allows you to obtain immediate, real-time access to current APRS position information, weather reports, telemetry graphs, and more. Zoom and browse around the world and see stations immediately – no waiting. Black Cat CW Keyer lets you send morse code from your computer. You can type out the text to be sent (immediately or buffered) as well as create and send from one key macros. Digital mode software that supports RTTY, PSK, MFSK, Hellschreiber, CW, and ASCII transmission along with SITOR-B, HF Fax and Synchronous AM reception. Developed by W7AY.

Improve your morse decoding proficiency. Listen to accurate morse code whenever you have a spare minute, wherever you are. D-RATS is a small application designed to provide data communication capabilities with D-STAR radios.

It supports text chatting, file transfers, position reporting and mapping, and much more!. Enables reception and decoding of Digital Radio Mondiale (DRM) transmissions using OS X.

This is a program for MacOS X to access the EchoLink system. EchoLink for iOS. Open source digital modes program that supports Contestia, CW, DominoEX, Hellschreiber, MFSK, MT63, NAVTEX/SITOR-B, Olivia, PSK, RTTY, Thor, Throb, WeFax and more. Developed by W1HKJ. Connects your Macintosh to a broad range of Global Positioning System (GPS) receivers, Loran-C, DECCA, and OMEGA navigational units. Software that watches WSJT-X for CQ and flags new callsigns or new/unconfirmed DXCC entities.

Can log entries to MacLoggerDX, RUMlogNG, and Aether as well. Written using Xcode and Swift. Cable-Free audio routing through virtual audio cables. Ideal for connecting ham radio software to a variety of inputs and outputs.

Mac HP GPS Control software allows owners of the Hewlett Packard HP Z3801A or Z3816A GPS Receiver to setup, control and monitor their receiver by means of a serial connection. MacGPS Pro is software for linking a GPS Receiver to any Macintosh. It allows import of maps, and supports real-time positioning, tracking, waypoints, and much more. K1GQ’s OS X native application for complete operation and settings on WinKeyer.

Takes audio input from the microphone or other input source, decodes Morse Code, and displays the text on the screen. Includes a variety of options. Takes audio input from the microphone, decodes Morse Code, and displays the text on the screen. Includes a variety of options. MultiMode allows you to decode and transmit morse code, RTTY, FAX, SSTV, SITOR-B, NAVTEX, PACKET, ACARS, PSK31, ALE, and more without any extra hardware.

Send and receive analog SSTV in most common modes. Functional, but with problems on newer version of OS X/macOS. APRS client for iOS and OS X incorporating a software-based TNC; allowing you to directly capture, visualize, or encode and transmit packets using a VHF transceiver or internet connection.

PSK31 send and receive client for iOS, complete with configurable macros, automatic frequency locking, realtime sonogram, and support for mic and line-in as well as speaker and line-out. iOS client to send or receive SSTV using an audio connect cable, or simply set your iPad or iPhone next to your radio’s speaker and microphone. Software for use of weak-signal JT65 and JT9 modes. Versions available for OS X. Weak Signal Propagation Reporter (WSPR) software for analysis of propagation paths using very weak signals.

Supports automatic online reporting of receptions reports. APRS software; requires XFree86/XDarwin (X windows); instructions for installing on the Mac with OSX are provided in read me files included with package. “Yet Another APRS Client” is a platform-independent Java application that can be used as a stand-along APRS client, and RF-Internet gateway, or as an AX-25 router. Supports 11 different data reporting views and can be extended with user-developed plugins.

DX and DX Clusters. Excellent tool for finding and analyzing VHF/UHF openings. Available email notifications ensure you’ll never miss a VHF/UHF opening near you. HamDXCluster for iOS.

Online DX Cluster with many specialized pages for clubs, specific digital modes, and more. iDXCluster is an easy to use DX Cluster program geared towards SW listeners, DXers, utility monitors, and others. Announces DX-Spots by voice. Calculates distance and bearing between Grid locators. Both AR-Cluster and DX-Spider compatible. Spot is a DXCluster client program for Mac OS X that automated spot and announcement filtering, automatic call sign lookup, and more. Powerful tool for DXCluster analysis.

Hardware & Interfaces. Configuration and update software for the Elecraft K-line of hardware, including the K3S, K3, KX3, P3, PX3, KPA500, KAT500, KXPA100, and more. Elecraft continues to be the only Amateur Radio equipment line that provides updates and software that actively supports users on OS X. Signed drivers for FTDI devices. Some devices that don’t work properly with the default Apple FTDI driver function normally with this driver.

High-end interfaces for rig control and digital modes. A variety of models and feature sets. Some products require use of “helper” applications on OS X like RUMrouter (DL2RUM) or uRouter (W7AY) while others work out-of-the-box with OS X and FTDI drivers. Maker of unique remote-control and wireless-control solutions, such as PigRemote v2 and Piglet. Includes full support of OS X and is supported by RUMlog2Go on iOS.

Signed device drivers for the popular PL2303 USB-Serial devices. UK-based supplier of USB CAT, audio, ICOM CT-17 and other cables for all makes of radios.

Many products are compatible with OS X. Signed device drivers for the popular Silicon Labs built-in UART devices used in Icom, Kenwood, and Yaesu equipment. Arguably the most popular digital mode interface.

Provides a high-quality, isolated external sound card and PTT capability (No rig control) in a compact package fully supported in OS X. High-performance interface with CAT, PTT, WinKeyer, and true FSK all from a single USB cable. Has yet to release signed drivers for OS X 10.10 and beyond. Arguably the best USB-Serial adapter for OS X. Includes full driver support for Mac OS 8.6 through the latest versions of OS X!.

Supplier of a number of USB-Serial and USB programming cables for a wide variety of amateur and two-way radios. Licensing / Tutoring. Elmer covers all elements, and prepares sample exams, which you take on your Mac. Each exam is graded, and you get to see which questions you missed. Ham Tests is an OS X or iOS application that provides practice tests for the U.S. Amateur radio qualification exams.

All three question pools are available. You can either take a randomly generated test or run through the entire question pool. Koch Trainer is a morse code trainer for iOS and OS X that uses the Koch Method developed by the German psychologist Ludwig Koch in the 1930’s. The Morse Code Teaching Machine software first described in QST, May 1977. This program teaches you to receive Morse code.

Morse Mania is a morse code tutor for OS X that provides three modules to help you learn morse code: (1) Learn Characters; (2) Guess a Character and (3) Copy Groups. is a Windows-based contest simulator developed by Alex Shovkoplyas, VE3NEA. Using Wineskin, it has been successfully and seamlessly run under OSX, and made available by Detrick Merz, KI4STU for download. are available online from QRZ.COM.

These are interactive and will help you determine if you are ready to take your Amateur Radio license exam. Logging.

Aether is a logging application for Mac OS X and includes tools to quickly and easily log, organize, search and track your QSOs later. Designed for OS X, Aether has the clean, intuitive, friendly interface you’ve come to expect on a Mac. Logging software for OS X and iOS, as well as Android.

Optimized for operating portable or mobile, such as during Field Day. Support rig control via Piglet wireless interface. A Field Day logger client for iOS, OS X and Android to talk with HamLog Field Day Server. Logs are synchronized with the FDS meaning you could use iPad’s at each station, all talking to the server, and keep the logs synchronized.

Server-side application to work with HamLog FD. Takes logs from all stations using HamLog FD on the same network and combines them to one log. Modern logging program that can run on all major platforms. Offers a nice, clean interface, support for CAT, CW keying, LoTW and eQSL, DX Cluster and much more. Apparently no longer under development. Rewrite of former Linux-only KLog. Runs on OS X, Linux and Windows.

Excellent multi-language support and expected logbook capabilities including QSL management, awards support, DX Cluster, Satellite and IOTA support, and more. The Swiss Army Knife of Amateur Radio. Logging software with CAT support for close to 100 radios, DX Cluster, 2D/3D maps, CW keyed, rag chew or contest modes, award tracking, QSL generation and MUCH more. iPad application that includes a logging function, DX Cluster to monitors spots, support for DXing, contesting or casual QSOs, log sync with MacLoggerDX, and much more. RUMlogNG is a logger especially made for the DXer by a DXer. Logging features are included for bands up to 1.2 cm. Support for LoTW, eQSL, ClubLog, Paper QSL label printing, along with CAT control of many rigs.

Contact logging tool for amateur radio from DL2RUM. Similar to, and log file compatible, with OS X logger software RUMlog. RUMped is a DXpedition and contest logging tool for OS X. RUMped supports most major contests and also contains a general contest mode for unsupported contests, while new contests can be added by the user and shared with others. Superseded by the contest module in RUMlogNG. SCR-Log is freeware for School, Club, and Individual class stations participating in the School Club Roundup. SkookumLogger ia a contest logger for OS X 10.7 or later.

It supports CW and SSB contests on HF plus 6m-70cm. Several dozen contests are supported with more added as requested. The YeaLogger is meant to be a simple and straight forward logging software for common HF band and common operating modes. Apparently no longer under development. QSL, Reverse Beacon, and Reporter Services. A free web-based tool for producing DXCC league tables, expedition tools, log search services, online QSL requests, propagation analysis, and most-wanted lists for ham radio. Excellent tool for finding and analyzing VHF/UHF openings.

Available email notifications ensure you’ll never miss a VHF/UHF opening near you. Online electronic QSL service with easy-to-use setup and use. Maintains own awards program and “AG” (Authenticity Guaranteed) QSLs are valid for some none-eQSL awards as well, but NOT for ARRL awards.

O/t blu ray players for mac. Online QSL printing and shipping provider. Simply upload your ADIF file and your QSLs are professionally printed and then shipped via the bureau system. Cost competitive with paper QSLs with no hassle!.

Free amateur radio call book. Includes call database including free XML search (for registered users), DX Cluster, Forums and more.

The ARRL’s official online QSL service. The only online service valid for ARRL awards and some CQ awards. Earn DXCC, WAS, WPX, and more without sending paper QSLs. The choice of most major DX, DXpedition, and contest stations. Graphical presentation of spot reports, including from skimmers and reverse beacon systems, showing stations you can hear and who can hear you.

Great for analyzing the performance of a new antenna or determining best time for a particular propagation path. Software for printing QSL labels from MacLoggerDX. Supports the Avery 5163 (5×2) label format only with single or multiple QSOs per label. More information available.

Software used to convert a log file (in ADIF or Cabrillo file format) into a file of digitally signed QSO data, ready for submission to ARRL’s LoTW. Over 100 label templates for use with Pages, including Avery equivalent labels as well as other speciality labels. Reverse beacon network for WSPR mode.

Allow you to see who you hear as well as who can hear you worldwide. Historical database contain more than 220 million spots.

Radio Control. Chirp provides frequency memory management for many Icom, Kenwood, Yaesu, and Wouxun handheld & mobile radios. It is free, open source, and cross platform written in Python. Part of the Fl. suite, Flrig is a transceiver control program designed to be used either stand alone or as an adjunct to Fldigi. Supports nearly 50 transceivers from Elecraft, Kenwood, Yaesu, TenTec, Icom and others. Allows Mac users to take control of their ICOM IC-R75 communications receiver through a serial port such as the ZLP CT62.

Direct frequency entry, filter and mode control, and browsing of stored memories. OS X apps to control Elecraft radios from your Mac using a wired serial port or using the Piglet wireless serial adapter. The app has a CW/DATA terminal using the radio’s CW/DATA decode functionality, user-defined macros, CW and VFO memories as well.

A Remote Control Program for the Elecraft K2 Amateur Radio Transceiver using the Apple Macintosh. MacMemoriesManager provides amateur radio memory management for some radios. tk92 is open source software designed for Radio Shack PRO-92 and PRO-2067 multi-system trunking scanners. Chiefly intended for Linux, MacOS X, and BSD users. vxur allows reading from and vxuw allows writing to a Yaesu / Vertex Standard VX-5R (and similar) handheld radios in clone mode. These command line utilities allow easy backup of the rig memory. is a rig controller, based on the Wizkers framework.

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It gives you not only direct access to VFOs and radio settings, but also provides a complete operation dashboard including memory, monitoring and graphing of all radio and amplifier parameters (temperature, power, voltage, current) as well as a terminal interface to operate digital modes (psk, cw, rtty). Software Defined Radio (SDR).

Application to make a RTL dongle appear as a networked SDR using the RF Space protocol, for use with software like SdrDx. Open-source cross-platform SDR software for a wide variety of SDR receivers.

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Basic SDR software, based upon Qt, for use on OS X with RF Space Software Defined Radios. SDR software for control of the Flex Signature Series SDR radios. SDR radio interface for SDRs providing an I&Q input, such as the SoftRock SDR line.

SDR software supporting RFSPACE SDR-IP/SDR-IQ/NetSDR, FunCube Pro and Pro +, Ettus Research, RTL-SDR, HackRF Jawbreaker, AirSpy and more. Java GUI for DttSP and the SDR1000. Cable-Free audio routing through virtual audio cables. Ideal for connecting ham radio software to a variety of inputs and outputs. QSK CW application for the line of Peaberry SDRs developed by AE9RB. SDR software supporting RFSPACE, FunCube Pro, Andrus MK1.5, AFEDRI, FunCube Pro Plus, Peaberry, and Softrock SDR receivers.

Developed by AA7AS. is a full featured radio client that enables your iPad or iPhone to operate your FlexRadio device. Cable-free routing of audio between any applications using virtual audio devices.

An excellent way to connect SDRs and other radios to a variety of input and outputs. Space Communications (EME/Satellite). GPredict is a satellite tracking program designed for Linux, but able to be installed on OS X via use of MacPorts or Fink. MacDoppler for Cocoa takes full advantage of the great Cocoa capabilities in OS X to provide any level of station automation you need from assisted Doppler Tuning and Antenna Pointing right on up to fully automated Satellite Gateway operation. Complete moon bounce tracking and scheduling solution. Realtime moon tracking, moon range and dB loss, mutual AZ/EL data, partial call finder, and much more.

PREDICT is a satellite tracking program designed primarily to run on Linux, but portable enough to run on Mac OS X thanks to the Unix underpinnings of OS X. is a satellite tracking software, for radio amateurs, scientists or hobbyists. Software to decode APT and WEFAX signals from weather satellites; Simply connect a 137-138MHz FM communications receiver, scanner, or weather satellite receiver to your Mac and get stunning color images. Scientific-grade interactive astronomical ephemeris software package for UNIX-like systems. Always runs and builds easily under OS X and xquartz.

Utilities. Black Cat CW Keyer lets you send morse code from your computer. You can type out the text to be sent (immediately or buffered) as well as create and send from one key macros.

cocoaPTT is a simple MacOS X application for controlling the Request To Send (RTS) or the Data Terminal Ready (DTR) pin of a serial port via direct action, AppleScript, or via uRouter. DOSBox is a DOS-emulator that uses the SDL-library which makes DOSBox very easy to port to different platforms. Run old DOS software on OS X. EarthDesk replaces your static desktop picture with ever-changing maps of the world with correct sun and moon illumination. Eleven different projections with Political and Satellite maps and optional near-real-time HD cloud cover.

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As the name says, Easy Envelopes is the easiest way to address and print envelopes in OS X. Support for standard & custom envelope sizes, addressing options, USPS bar codes, and more. A menu clock replacement recently updated with HAM related information. JMM is data-acquisition software for digital multimeters equipped with a rs-232 port, such as the Metex 3850 and many others. is a utility to map JT9, JT65 and WSJT-X stations in real time. OS X application to control and display information from the Elecraft KAT500 automatic antenna tuner. Developed by DL2RUM.