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KComm, a logging and communication program, was specifically engineered for Elecraft K2, K3, and KX3 transceivers, leveraging the Lazarus cross-platform development tool. It operates natively on Windows XP and can be compiled for Linux, with potential for macOS, prioritizing low resource usage for casual DXers and contest participants. The software integrates with external applications like Fldigi for diverse digital modes and CW Skimmer for advanced Morse decoding, enhancing its functionality beyond basic logging. The design philosophy of KComm emphasizes utilizing the physical radio controls for operational adjustments, rather than replacing the transceiver's front panel. It facilitates keyboard CW operation via the Elecraft serial protocol and capitalizes on the K3 and KX3's built-in decoders for RTTY and PSK31. Additionally, KComm supports PSK31, PSK63, and PSK125 through the AE4JY PSK Core DLL on Windows and integrates with PSKReporter.info for spotting. While not a dedicated contest logging or award tracking program, KComm supports ADIF and Cabrillo export for casual use, allowing logs to be imported into other software. The author, G4ILO, ceased all software development, providing KComm "as is" without further support or updates; however, the source code is available under the GNU GPL for community continuation.

remoteRotator is a command line application which makes your azimuth / elevation antenna rotators available on the network. It available for Linux/Windows/MacOS and written in the programing language Go.

Operating WSJT-X modes JT-65 and JT-9 on Apple Mac OSX computers

SDR++ is a cross-platform, open-source SDR software designed for minimal bloat and ease of use, supporting Windows, Linux, macOS, and BSD operating systems. It incorporates multi-VFO capabilities and offers extensive hardware compatibility through both _SoapySDR_ and dedicated modules. The software features SIMD accelerated DSP for efficient signal processing and provides full waterfall updates when possible, which enhances signal browsing. Its modular design facilitates the development of custom plugins, allowing users to extend its functionality. The application's focus on a bloat-free architecture and user-friendly interface aims to simplify the experience of working with Software Defined Radios. The full waterfall update mechanism is particularly beneficial for visualizing and identifying signals across a wide frequency spectrum, improving operational efficiency for radio amateurs. The modular plugin system enables community contributions and specialized enhancements, making _SDR++_ adaptable for various amateur radio applications, from general listening to specific digital mode decoding.

The OnAir SDR receiver application, hosted on GitHub, supports a broad range of digital and analog modes across macOS, Windows, and Linux platforms. It decodes various digital TV standards like DVB-T/T2, DVB-C, DVB-S/S2, ATSC, ISDB-T, and DTMB, alongside broadcast audio formats such as DAB+, FM, and DRM. For aviation enthusiasts, it processes ADS-B, ACARS, and VDL2 signals, while also offering satellite reception and GNSS capabilities. Amateur radio operators benefit from its support for modes including FT8, PSK31, and CW, in addition to general digital voice decoding and cell tower monitoring. A built-in spectrum analyzer provides visual analysis of received signals. The project demonstrates active development, evidenced by over **1,750 commits** to its codebase. OnAir is designed for compatibility with popular SDR hardware, including _HackRF_, RTL-SDR, Airspy, SDRplay, BladeRF, LimeSDR, Pluto, and USRP devices. This wide hardware support makes it a versatile tool for radio enthusiasts and professionals working with various SDR platforms.

Boasting an FM demodulation rate of **1,235 Msps** and a DMR speed of **369x realtime**, SDR-- is a software-defined radio application designed for patching together radio components across macOS, Windows, and Linux platforms. It facilitates connecting a receiver to various channels, which then feed into speakers, maps, or recorders. The software supports a wide array of audio modes including AM, NFM, SSB, CW, FM stereo, RDS, DMR, FreeDV, D-STAR, Fusion, NXDNP, P25, and dPMR, alongside decoding numerous events and messages such as ADS-B, ACARS, VDL2, HFDLA, AIS, NAVTEX, DSC, POCSAG, FLEX, ERMES, FT8, FT4, WSPR, APRS, RTTY, PSK, ISM sensors, and time signals. Beyond audio and data, SDR-- also handles video modes like SSTV, ATVDVB-S, and DVB-S2. It provides comprehensive displays including spectrum, waterfall, constellation, and map views, all integrated with decoded messages. Advanced features include scanning, signal identification, satellite tracking, direction finding, and passive radar capabilities. The application offers remote control options via REST, WebSocket, MCP, and event forwarding, allowing integration with external tools. It can operate on a desktop computer or be deployed on a server, such as a _Raspberry Pi_, for remote access, providing flexibility for shack setups or antenna-side installations.

Wfview is a program that allows many modern Icom ham radio transceivers (such as the IC-7300, IC-9700, IC-7610, IC-R8600 and many others) to be controlled via a computer. wfview shows the gorgeous spectrum display on whatever display is connected, including projectors, touch screens, and TVs. wfview allows for full radio control from a computer keyboard and basic control from a numeric keypad. It works under Windows, Linux and MacOS

In this article WB8NUT review the most popular amateur radio related digital mode software for windows and MacOSX

This software is an amateur radio utility for the lookup of an FCC issued Amateur Radio Call Sign. Run on Windows Linux and MacOSX

Presents RigOne, a radio controller application designed for Windows 10 (later releases) and Windows 11, with a macOS version under active development. The software provides core operational controls such as tuning, VFO following, signal metering, and audio management, emphasizing a clean interface for everyday use. It supports native Icom direct control, with the **IC-7300** serving as the primary tested profile, and integrates **Hamlib** for broader compatibility across various transceivers. The resource details specific features, including frequency and mode read/write, VFO A/B switching, quick mode/band selectors, and switchable analog-style or horizontal-bar signal meters. For the IC-7300, RigOne offers an integrated panadapter, waterfall display, native VOX control, and Twin PBT controls, leveraging live scope data for an enhanced visual operating experience. The application focuses on essential functions, avoiding unnecessary clutter. It outlines the latest version, v1.2.5.1, highlighting updates like a compact layout selector for Tall mode, direct frequency entry, and refined fixed 16:9 panel layouts. The page also clarifies hardware compatibility, noting extensive testing with the IC-7300 via USB/COM CI-V, and invites user feedback for expanding Hamlib support to other radio models, ensuring the software evolves based on real-world amateur radio station use.

Provides a robust logging solution for amateur radio operators across multiple operating systems, QLog simplifies the process of recording contacts and managing station data. It leverages the _Qt framework_ for its graphical user interface and stores all QSO information efficiently in a local SQLite database, ensuring data integrity and accessibility. This design choice supports a streamlined user experience for daily logging activities. QLog supports essential logbook functionalities, enabling hams to accurately document their two-way radio contacts. While not specifically designed for high-speed contest operation, it serves as a reliable tool for general amateur radio logging, allowing operators to maintain detailed records of their on-air achievements and station activities. Its cross-platform compatibility, including Linux, Windows, and macOS, makes it a versatile option for a wide range of amateur radio enthusiasts seeking a free and functional logging application. The project is a fork from _7h0ma5/QLog_, indicating a continued development path.

GridTracker listens to live traffic from WSJT-X or JTDX and displays it on a map. It can also load ADIF log files, load clublog, lotw, hrdlog.net and other sources to diplay your logbook statistics and map your QSOs. GridTracker is a free application for windows Linux and MacOS.

Contest Group in Alabama

Yea Cabrillo2Adif is a free software for converting the radio logs from Cabrillo to Adif log format for MacOSX

This free program teaches you to receive Morse code. It starts with a few letters and adds more when it sees that you are ready. Based on A Fully Automatic Morse Code Teaching Machine, it is a small application and it runs even on recent MacOSX versions.

Operating in challenging RF environments, DeepCW provides real-time Morse code decoding capabilities through a neural network model. The software excels at robustly interpreting weak signals, mitigating the effects of QSB, and performing effectively in noisy conditions, a common issue for CW operators. It also supports multi-channel decoding, allowing for the simultaneous interpretation of multiple CW signals present in the audio stream. The application integrates audio pass-through functionality, enhanced with deep-learning-based noise reduction to clean up the incoming audio before decoding. Benchmarking data indicates a 0.00% error rate from 0 to -4 dB SNR, with errors remaining below 1.5% at -8 dB SNR and under 8% at -10 dB SNR across the full range of CW speeds. The project provides comparative analyses against established decoders such as _CW Skimmer_, _fldigi_, and _ggmorse_, utilizing publicly available CW QSO videos from YouTube to demonstrate its performance. DeepCW is designed for cross-platform deployment, supporting Windows, macOS, Android, and iOS operating systems. The core _DeepCW Engine_, which houses the decoding model and a reference implementation, is available separately, offering Python and Node.js examples for decoding from WAV audio files.

Demonstrates the _Widget DX HB9HBY_ software, a compact desktop application for amateur radio operators, providing essential real-time information. The widget displays UTC time, current HF propagation conditions, local weather, and thunderstorm risk. It also integrates radio-related links and offers advanced PRO functions, such as a DX map, HF noise radar, IBP beacon synchronization, contest heatmap, aurora radar, and a rare DX radar. The software is available for Windows 10/11 and Linux, with a macOS version planned for future release, and supports both French and English interfaces. Author HB9HBY highlights the widget's simple installation process and automatic update capabilities, which can be silent for minor fixes or include notifications for significant changes. The free version provides core functionalities, while a 15-day free trial unlocks the PRO features. A lifetime PRO license is available for a one-time payment of CHF 10, activating advanced tools that help operators make quicker decisions at the station by correlating propagation, UTC, DX activity, and local conditions, though results remain indicative and require confirmation via listening or tools like _RBN_ or _PSKReporter_.

DXChrono Desktop presents a comprehensive suite of real-time amateur radio data, including NOAA solar indices, HF band conditions, and a worldwide _F5LEN tropo_ overlay for VHF openings. It integrates live spots from Telnet DX Cluster, PSK Reporter, and Reverse Beacon Network, displaying them on a dynamic 3D globe or 2D flat map. Additional features include aurora and MUF layers, QTH display with optional cities and grid/CQ/ITU layers, and dedicated support for SOTA and POTA activations. The software also offers a Watch List for callsign alerts and Sun/Moon Az/El widgets for satellite and EME operations. The application provides extensive contest and logging context through integration with _N1MM Logger+_ UDP, Cloudlog API, QRZ Logbook, and ADIF file support, allowing recent QSOs to be mapped directly. A Special Event mode is available for club stations, enhancing field day operations. DXChrono Desktop runs on Windows, macOS, Linux, and Raspberry Pi 4/5, requiring a 64-bit OS and at least 4 GB RAM for optimal performance, distinguishing it from simpler HamClock-style appliances.

How to connect an Apple MacOS to a USB Radio transceiver. Get a Mac driver for ICOM IC-7100, IC-7200, IC-7300, IC-7600, IC-7610, IC-7850, IC-9100, PCR2500, Kenwood TS-890S, TS-990S, TS-590S, Elecraft KX3, K3S, Yaesu FTdx3000, FT-891, FT-991 or Ten-Tec Eagle USB direct connect built in USB/Serial adapter.

xCAT is an helper application for the FlexRadio 6000 series running on macOS computers to control via CAT protocol tranceivers, while xDAX purpose is to provide a way for Digital Mode Software like Fldigi, WSJT-X to access the digital audio data (DAX) of the FlexRadioTM

Official download page of TQSL software provided by ARRL as LoTW signing tool to upload QSO confirmations valid for ARRL Awards. TQSL download page provide links for Windows MacOS and Linux platforms.

Wait to decode callsigns, then call them using UDP protocol. This utility auto respond to wanted call-signs it is a neat alternative for JTAlert. Automatic logging. Available for both MacOS and Windows (10+). Make sure to automatically call any Wanted callsigns specified. Can also be used to monitor band opening. Can handle callsign exclusions, can even handle wanted callsigns according to your worked before Rules. Works either with JTDX or WSJT.

HAMRS v2.52.0 provides a portable logging solution for amateur radio operators, supporting macOS, Windows, Ubuntu, Raspbian, iOS, and Android platforms. The software includes offline databases for POTA parks and US callsigns, facilitating logging without internet connectivity. It features ADIF import/export capabilities, enabling one-click uploads to QRZ.com. Rig control is supported through native _Hamlib_ and _FLRIG_ integration, alongside compatibility with _WSJT-X_ for digital modes. Recent updates in v2.50 introduced a QSO Map for visualizing contacts with band colors and filtering, real-time solar and HF/VHF propagation conditions, and a dedicated logging template for ARRL Field Day exchanges. An interactive US Band Plan displays privileges and sub-bands, while a live POTA Spots Map highlights the active park and offers license-aware spot filtering.

For amateur radio operators interested in satellite reception, SatDump provides a comprehensive software solution for acquiring and processing live data from various orbital platforms. This general-purpose application handles all stages from the raw satellite transmission to the generation of usable products, supporting a wide array of _Software-Defined Radio_ (SDR) devices such as RTL-SDR, Airspy, and HackRF across Linux, macOS, Windows, and Android operating systems. It enables hams to decode and process signals from over 90 satellites and probes, including NOAA 15-18-19, Meteor-M, GOES, and Metop, facilitating live decoding of APT, LRPT, HRPT, LRIT, and HRIT links. The software's capabilities extend beyond basic image reception, allowing for the output of calibrated and georeferenced L1b products, including Sea Surface Temperature and Microphysics, which are suitable for scientific analysis. SatDump's robust DSP system is extensible, offering advanced users the ability to develop new RF links or test hardware TX chains using its _DSP Flowgraph_. Thousands of hams utilize SatDump to receive stunning real-time pictures and data, with the software capable of producing L1b products from more than **five satellite constellations** almost as fast as the satellite transmits the data.

Facilitate seamless communication in the world of packet radio with PoPT, a versatile terminal program designed for AX.25 protocol enthusiasts. Operating across multiple platforms, including Windows, Linux, macOS, and Raspberry Pi, it caters to a wide range of users. The program supports various connection methods such as KISS over TCP/Serial and AXIP over UDP, ensuring compatibility with Linux AX.25 devices. This flexibility allows operators to maintain robust connections in diverse environments. Developed with Python 3.11, PoPT is currently under active development, reflecting a commitment to staying at the forefront of technological advancements. Its multi-platform nature ensures that operators can leverage their existing hardware setups without the need for additional investments. The program's ability to handle different connection types makes it a valuable tool for those engaged in packet radio operations, whether for personal experimentation or more structured communication networks. PoPT's ongoing development promises future enhancements and features, making it a dynamic choice for operators looking to explore the capabilities of AX.25 packet radio. Its adaptability and support for modern systems position it as a practical solution for contemporary amateur radio enthusiasts.

Learn how to build your own RF signal generator for aligning radios by following the modifications made to the circuit of an existing project. Explore the use of a common cathode varactor diode and a single center-tapped 24 VAC transformer to simplify the design. Discover alternative components like the MACOM 4ST079CK-287T varactor diode, which offers cost-effective solutions compared to unobtainable options. Find inspiration in modifying existing projects and gaining practical knowledge in electronics. Purchase the Nuts and Volts magazine for detailed schematics and a deeper understanding of RF signal generators.

Demonstrates ZeusSDR, a WebGL-native station console for _OpenHPSDR_ radios, including Hermes-Lite 2 and ANAN-class transceivers. The software integrates a 2D and 3D WebGL/WebGPU panadapter with click-to-tune functionality, alongside native FT8/FT4 and FreeDV digital voice modes, eliminating the need for external software like WSJT-X or virtual audio cables. It features a protected transmit chain with SWR-trip and TX-timeout, and supports _PureSignal_ linearization on Protocol 2 for enhanced signal quality. The console incorporates a broadcast TX chain with a noise gate, 10-band EQ, compressor, exciter, bass, reverb, and VST3/Audio Unit hosting for advanced audio processing. A comprehensive logbook is included, offering contact history, a 3D NASA globe, DX radar, and analytics for DXCC/WAS/grids, with ADIF and LoTW integration. Amplifier panels for RF2K-S, KPA500, and SPE Taurus are also provided. ZeusSDR supports both OpenHPSDR protocols (P1 + P2) and utilizes WDSP from Thetis. It is available for Windows, macOS, and Linux, with a public listening feature allowing others to view live waterfalls and use virtual receivers with Zeus DSP, including NR, NB, ANF, AGC, and filters. The software is open-engine, following the PowerSDR–OpenHPSDR–Thetis lineage.

Demonstrates a **Progressive Web App** (PWA) approach to amateur radio logging, providing a platform-agnostic solution for hams. The resource details its core functionality, including offline callsign and reference lookups, auto-formatting for data entry, and integration with **POTA spots** and saved re-spots. It highlights support for various logging templates such as General, Contest, POTA, and Field Day, indicating its adaptability for different operating activities. The application emphasizes seamless log synchronization across multiple devices, eliminating the need for manual file transfers. It operates effectively both online and offline, with installation options available for full offline functionality on Windows, Android, iOS, macOS, and Linux, or direct use within any web browser. The documentation further outlines features like rig control and the continuous development of additional templates, positioning Smart Logger as a flexible and efficient tool for managing amateur radio contacts.

EiBi-Tuner-v2 is an open-source macOS application designed to control amateur radio transceivers via the FLRIG interface, leveraging the EiBi-list for frequency management. This software provides a graphical user interface that emulates an older radio, allowing operators to tune their rigs based on the extensive EiBi database of broadcast stations and utility frequencies. The application is specifically compiled for macOS, offering a native experience for users of Apple's desktop operating system. The software's primary function is to simplify frequency selection and rig control by integrating the EiBi-list, which contains thousands of known frequencies, with FLRIG's robust transceiver control capabilities. This integration allows for rapid QSY to documented frequencies, potentially enhancing DXing and SWL activities by providing quick access to a vast array of signals. The open-source nature permits community contributions and modifications, ensuring adaptability and ongoing development for specific amateur radio operational needs.

The LY4A DX Reminder application monitors five distinct DX cluster sources—DXScape, DXSummit, DXHeat, PSK Reporter, and Reverse Beacon—to alert amateur radio operators when a specific call sign appears. It supports a wide range of bands from 160 meters to 70 centimeters, including 60m, 6m, 2m, and 70cm, accommodating **CW**, SSB, FT8, FT4, and RTTY modes. The software operates in the background, checking clusters at user-defined intervals of 1, 5, 10, or 30 minutes, and persists across device restarts. Alarm functionality is robust, activating even if the mobile device is silenced, by utilizing the alarm channel and illuminating the locked screen. On desktop platforms, notifications remain active in the system tray. Users can directly manage alarms—stopping, snoozing, or deleting them—from the notification interface, enhancing operational flexibility during DX pursuits. Available in 15 languages, including English, Italian, German, and Spanish, the application is provided free of charge and without advertisements. It offers optional donation support for continued development. Installation instructions are detailed for Android, Windows 10/11 (64-bit), and macOS 12+, addressing common system security prompts for unsigned applications.

The **590Ctrl** application provides a dedicated desktop control panel for the _Kenwood TS-590SG_ HF transceiver, specifically designed for macOS and Linux operating systems. Developed using the Qt 6 framework and C++, this software facilitates direct control of the radio via a USB connection, offering an alternative to the transceiver's front panel. The GitHub repository details its structure, including directories for documentation, resources, scripts, source code, and tests, indicating a well-organized development effort with a history of **41 commits**. Amateur radio operators utilizing the TS-590SG on macOS or Linux will find this tool particularly useful for integrating their radio into a computer-centric shack environment. It streamlines operations by allowing software-based adjustments and monitoring, which can be advantageous during contesting or DXing sessions where quick parameter changes are crucial. My own experience with similar control software confirms the efficiency gains, especially when managing multiple logging applications or digital mode interfaces simultaneously. The project's open-source nature also invites community contributions and further development, potentially expanding its feature set beyond basic control functions.

Presents the Mac TCI DX Cluster, a macOS application designed to streamline DX cluster activity for ham radio operators. GW3JVB developed this tool to provide a focused native Mac view of incoming spots, integrating local _RUMlogNG_ logbook context and selected TCI destinations. It allows users to save and connect to multiple Telnet cluster profiles simultaneously, merging feeds and filtering spots by bands, modes, and continents. The application features three independent outgoing TCI client slots for servers such as RigOne and Thetis, supporting spot forwarding and click-to-tune functionality. It reads local RUMlogNG logbooks for worked and needed checks without modification, offering callsign, DXCC entity, and continent checks. Watchlists, highlights, and optional alerts are included to emphasize important spots, helping operators find the next station worth working. Mac TCI DX Cluster complements existing station software, requiring macOS 14 or later on Apple silicon or Intel Macs. It is free to use, with downloads and release information available on GitHub, and optional donations are appreciated.

Dot & Dash is a macOS application for learning and practicing Morse code, providing an interactive environment for aspiring CW operators. The software features **twenty short chapters** that guide users from basic characters like E and T to the full alphabet, figures, punctuation, and common _prosigns_. Users learn by keying characters and words, with a daily five-minute review system to reinforce learning. The application allows users to compose messages, which the virtual machine then sends, or to key messages themselves and observe real-time decoding. It supports various input methods, including holding the Space bar, using a virtual knob, or connecting a USB key/keyer that emulates keyboard input. Operators can adjust sending speeds from **5 to 40 WPM** and apply _Farnsworth spacing_. Further capabilities include converting Morse code to text and vice-versa, and a "Type Anywhere" feature that enables keying Morse directly into other Mac applications. The software operates offline and offers a 24-hour free trial before requiring a one-time purchase for full functionality.