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Logger32 is a well-established amateur radio logging program designed primarily for DXers who require a flexible and data-driven logging environment. The software maintains a comprehensive logbook database capable of handling large volumes of QSOs while offering detailed tracking of DXCC entities, awards, and band/mode statistics. One of the core strengths of Logger32 is its DX cluster integration. The program connects to telnet DX clusters and displays spots in real time, with filtering options by band, mode, country, or callsign. The cluster window can automatically highlight needed DXCC entities, band-fills, or new modes based on the operator’s log. Logger32 also provides rig control through CAT interfaces, supporting a wide range of transceivers via serial or USB connections. When properly configured, frequency and mode are automatically captured in the log entry window. The software supports digital mode integration through external applications and can exchange information using standard interfaces. Another important feature is its award tracking system, including DXCC, WAS, IOTA and other common amateur radio awards. The program calculates worked, confirmed, and needed entities with detailed reports. Logger32 supports ADIF import and export, allowing interoperability with other logging systems. It also includes QSL management, with tracking for bureau, direct, and electronic confirmations such as LoTW or eQSL when configured. Overall, Logger32 remains a technically capable logging solution focused on DX tracking, cluster awareness, and detailed statistical analysis of operating activity.

SysLabs RadioControl is a software platform for radio device control and application development. It operates on _Windows_ versions from Windows 95 and Windows NT 4.0 through _Windows 11_. The software is available in Lite, Standard, and Professional editions, each including Frontpanel for direct radio control, a Frequency Database for management, and a Memory File for channel operations. Features include frequency identification, memory scanning, and graphical spectrum views with bitmap export capability. The Professional Edition supports multi-device control and utilizes radio device-internal scanners, achieving scan rates of **40-60 steps per second** compared to the RadioControl-internal scanner's **10-20 steps per second**. Supported devices for internal scanning include AOR AR-5000, AR-8200, AR-8600, AR-ONE, R&S EB200, and various Icom receivers and transceivers. RadioControl supports older devices such as ICOM IC-R71, IC-R7000, IC-706, IC-735, YAESU FRG-8800, and FRG-9600, extending their control capabilities. The platform offers APIs for integration and supports import/export with formats from VisualRadio, SCANcontrol, shoc Radio Manager, WiNRADiO, AOR ACEPAC-3A, as well as generic Text, CSV, and HTML. DXZone Focus: Radio Control | Windows | Frequency Management | API

Demonstrates RadioComm, a freeware Icom transceiver/receiver controller program for Windows, which facilitates memory programming, spectrum analysis, and interfacing with extensive frequency databases. The software allows users to program their Icom radio's memory, generate radio-frequency spectra, and connect the radio to a computer-based frequency database. It supports various Icom models, offering bidirectional control where virtual controls mirror the transceiver's physical controls and vice versa. The program's spectrum analysis feature, exemplified by tuning the WWV time standard at 15 MHz, provides insights into the AM passband, a capability often found in high-end Icom transceivers. While RadioComm offers these functionalities, the author, Paul Lutus, notes that it has been superseded by JRX (a virtual radio) and IcomProgrammer II (a memory programming utility), which are described as superior and compatible with more platforms. RadioComm is available as a 516 KB self-extracting executable, requiring an Icom CT-17 RS-232 interface box for radios that need it. Users can also customize the plain-text database to include unsupported Icom models. However, the author explicitly states that no user support is provided for this free program.

Swisslog, a robust freeware logging program, integrates seamlessly with various external devices and online services, making it a central hub for station operations. My field experience with similar logging software confirms the critical importance of features like real-time logging to services such as eQSL, QRZ, and Club Log, which Swisslog supports with both upload and download synchronization. The program also offers comprehensive award tracking for approximately 150 built-in awards, with the flexibility to add more, alongside detailed statistical reports. Beyond basic logging, Swisslog provides advanced functionalities like direct interfacing with popular digital mode software including WSJT-X, JTDX, and FLDIGI, ensuring accurate and rapid QSO entry for FT8 and other modes. It also supports multiple transceiver control (up to 8) from major manufacturers like Yaesu, Kenwood, and ICOM, and integrates with rotor control systems such as ARS-USB and Hy-Gain DCU. The _DX-Cluster_ integration is particularly useful, displaying spots with real-time award status and automatic detection for SOTA, POTA, and WFF from spot comments, which can significantly improve DXing efficiency. The software's world map feature includes various projections and layers for DXCC, IOTA, and WAZ, with a **double-clicking** function to turn the rotor, and provides accurate propagation predictions. It also supports multiple callbook and QSL manager databases, including QRZ and HamCall, and offers _multilanguage_ support in English, French, German, Italian, Portuguese, and Spanish.

Amateur Contact Log (AC Log) by N3FJP is a commercial Windows-based general logging program designed for amateur radio operators, supporting Windows 7 through 11. It provides comprehensive tracking for various operating awards, including Worked All States (WAS), Worked All Counties, Worked All Countries (WAC), DXCC, VUCC, Grids, Zones, IOTAs, and Lighthouses. The software features a customizable user interface, allowing operators to display specific data fields and adjust font sizes. It includes built-in databases for counties and countries, facilitates queries by band, mode, or power level, and offers a bearing and distance calculator for DX contacts. AC Log also provides DX spotting via Telnet or packet TNC, supports keyboard CW, and can play wave files. The program offers full support for ADIF import and export, enabling seamless integration with external services like eQSL, QRZ, Club Log, and the ARRL's Logbook of the World (LoTW) for QSO uploads and confirmation downloads. It interfaces with popular transceivers from Elecraft, Icom, Kenwood, Ten Tec, and Yaesu, and connects with digital mode software such as WSJT-X, Fldigi, and JTAlert via API. AC Log includes a Net Manager form for group logging, prints basic QSL label strips, and integrates with QRZ and Ham Call lookup services. The software is fully networkable for multi-PC operation, supports Parks on the Air (POTA) logging, and displays worked entities and DX spots on a real-time world map. Full featured Trial version available for 45 days

CQLog, a Windows-based logging program, provides a comprehensive control center for everyday on-the-air activities, including full-featured QSO logging and statistics for numerous awards, with support for _LoTW_ and _eQSL_ capabilities. It integrates with callsign databases like QRZ, RAC, and GOLIST, and facilitates two-way data exchange with digital mode software such as MixW2 and DigiPan. The software also supports saving up to three pictures per SSTV-QSO and integrates with DX Atlas. This logging utility offers a dedicated "contest-mode" and supports CAT systems for popular transceivers from YAESU, ICOM, KENWOOD, and Ten-Tec. Users can print QSL cards, QSL labels, and address envelopes directly from the program. Its features streamline the logging process and provide tools for award tracking, making it a practical solution for hams managing their station activities and DXing pursuits.

CHIRP is a free, open-source, cross-platform radio programming tool that supports a large number of transceivers from manufacturers such as Icom, Kenwood, Yaesu, Alinco, Wouxun, Puxing, and Baofeng. Chirp radio software run on Windows, Linux, and macOS, enabling users to exchange data between different radio models and interface with multiple data sources and formats. The program streamlines the configuration of memory channels, frequencies, and various settings for amateur radio handhelds. Specific models supported include the _Icom IC-7300_, _Kenwood TH-D74_, and _Yaesu FT-818_, among many others. CHIRP provides compatibility with various file formats, including Generic CSV, RT Systems CSV, ARRL Travel Plus (.tpe), and manufacturer-specific formats like Kenwood KPG-44D (.dat) and Icom Data Files (.icf). Additionally, it integrates with the DMR-MARC Database for enhanced programming capabilities. Users can download CHIRP for their platform and access extensive documentation, including a FAQ and a mailing list for support. The project encourages users to consult existing documentation and open/closed tickets before submitting new bug reports or feature requests.

Members discuss the operation of and modifications to this outstanding QRP rig that covers 160m 70cm with all modes. Site contains a large database of FT-817 FAQs and data files. Antennas, tuners, and power sources are also covered as related to this ultra-compact transceiver.

Images and technical details of thousands of transceivers, cb radios, rotators, rf amplifiers scanners and accessories, by SM0OFV

Mods.DK serves as a central repository for **amateur radio modifications**, offering a substantial collection of user-contributed articles. Hams can find detailed instructions for various equipment, from transceivers by Yaesu, Kenwood, and Icom to microphones and power supplies. The database, currently holding 6230 articles, facilitates searching for specific equipment modifications, such as enabling out-of-band receive and transmit capabilities or integrating high-speed packet modems for enhanced data communications. Many entries focus on achieving better performance from existing gear, often detailing how to expand frequency coverage for MARS/CAP operations or optimize radios for 9600 baud packet. The site also includes repair instructions and general improvements for a wide array of HAM rigs and modems, reflecting a community-driven effort to share technical knowledge. Users are cautioned that modifications are not verified by Mods.DK and are undertaken at one's own risk, with potential legal implications depending on local regulations. The platform emphasizes community support, encouraging direct contact with authors or forum discussions for troubleshooting.

Log4OM is a free logging software designed for amateur radio operators who require an integrated environment for station management and QSO logging. It is widely used by DXers due to its strong database capabilities and its integration with common online services. The program uses a structured SQL database and supports large logbooks without noticeable performance degradation. One of its key features is **CAT Control**, which allows direct communication with many transceivers for automatic frequency and mode detection. The **DX Cluster Client** provides real-time spotting with filtering and band/mode tracking, helping operators quickly identify new DX opportunities. Log4OM integrates with several external confirmation systems. Built-in support for **Logbook of The World (LoTW)** and **eQSL** allows automatic upload and download of confirmations. The software also includes **Award Tracking**, enabling operators to monitor progress toward DXCC and other award programs directly from the log. Additional capabilities include **Callbook lookup** via services such as QRZ, **ADIF import/export**, and customizable **QSL management** for both electronic and paper cards. The interface is modular, with panels that can be arranged depending on operating preferences. Log4OM does not include integrated digital mode engines, so digital operation normally relies on external programs such as WSJT-X or FLdigi connected through standard interfaces. Overall, Log4OM provides a comprehensive logging environment suitable for both casual operation and serious DX chasing, with a feature set comparable to many commercial logging applications.

Demonstrates BBLogger, a **freeware** logging application designed for both amateur radio operators and Short Wave Listeners (SWLs). Developed by IK2VIW, IZ2BKT, and IK2UVR, this software provides comprehensive station management capabilities, including **CAT control** for various transceivers, integration with digital mode software like WSJT-X, JTDX, and MSHV, and robust QSL management features. The application supports a wide array of functions such as DX cluster interfacing, mapping, awards tracking (including custom awards), and direct integration with services like LoTW, eQSL.cc, and ClubLog for QSL confirmations and OQRS requests. It also includes utilities for ADIF to CSV conversion and vice-versa, catering to diverse logging and data management needs. Recent updates, such as version 13.1, introduce a web server for log management from any device, allowing remote access and control. The software has improved ADIF import capabilities, including time settings for duplicate QSO detection, and enhanced filtering options for log searches. Performance improvements include faster automatic updates and manager database synchronization, along with optimized log checking at startup. Earlier versions added support for FT8 and FT4 modes, refined OQRS integration with ClubLog, and expanded QSL/label printing functionalities, enabling users to select specific callsign types (OM, SWL) for printing. The developers emphasize compatibility with Windows 10/11 for full functionality, noting limitations when running on older operating systems like Windows 7 due to modern security protocol requirements.

Facilitates efficient logging of amateur radio contacts, offering a robust solution for hams managing their station activities. The software integrates _CAT control_ capabilities, allowing direct interfacing with popular transceivers from manufacturers like Yaesu, Icom, and Kenwood. This feature streamlines the logging process by automatically capturing frequency, mode, and other QSO details directly from the radio, reducing manual entry errors and improving operational efficiency during contests or DXing. _HAM-LCT_ includes a comprehensive database, enabling users to store and retrieve contact information, QSL data, and other relevant details for each QSO. The program supports various operating modes and provides tools for searching and filtering log entries, which is beneficial for award tracking and station analysis. Its design focuses on providing a user-friendly interface for everyday logging tasks. While the original author, _HB9CQV_, has discontinued development of HAM-LCT in favor of a newer logging application, this version remains available as a functional freeware option for Windows users seeking a dedicated logbook with integrated rig control.

RT Systems provides programming software for Windows operating systems, supporting a wide range of amateur radio transceivers, scanners, and receivers from manufacturers like Icom, Yaesu, and Kenwood. The software facilitates memory management and radio settings configuration, often surpassing OEM software in user-friendliness and functionality. Their **USB programming cables**, featuring **FTDI chipsets**, are noted for reliable operation, even in virtualized environments like Windows ARM on a Mac, where OEM cables might fail. Users report that RT Systems software simplifies the often complex process of radio programming, making it less arduous than manual entry. The availability of integrated frequency databases is a significant advantage. The software and cables are frequently cited for their long-term reliability, effective customer support, and thoughtful hardware design, which collectively address common real-world programming challenges for various radio models, including the Icom ID-880H and Anytone 878.

For amateur radio operators running Microsoft Windows XP or later, Lux-Log provides a robust logging and contest software solution, designed by Norbert Oberweis, LX1NO. It is capable of managing over 30,000 logbooks within a single database and image copy, offering comprehensive data handling features. The software facilitates data import and export via **ASCII** and **ADIF** formats, ensuring compatibility with other logging applications, and includes an integrated tool for converting data from other programs into ADIF. It provides instant feedback on previous contacts and country information during data entry, alongside static or serial value generation for contesters. Lux-Log integrates a versatile award module, currently supporting 123 definitions for popular awards such as DXCC, WAZ, WAS, US Counties, IOTA, and more. Operators can generate pre-defined and user-definable data queries, visualize statistics through bar/pie charts, and print QSL labels. The software also interfaces with the RAC Callbook and HamQTH, supports LoTW, and offers radio control for Icom and Yaesu FT-857 transceivers. Additionally, it supports telnet connections to internet clusters and integrates with K1EL's WinKey for CW generation, making it a comprehensive tool for both general logging and contesting activities.

The RigPix database entry provides a comprehensive technical overview of the Icom IC-746 amateur HF/VHF transceiver, detailing its operational parameters and physical characteristics. It specifies the transmit frequency ranges across 10-160 meters plus WARC bands, 50-54 MHz, and 144-146/148 MHz, alongside receive coverage from 0.03-60 MHz and 108-174 MHz. The resource outlines supported modes including AM, FM, SSB, CW, and RTTY, noting a tuning step resolution down to 1 Hz and a frequency stability of ±5 ppm. Key electrical specifications are presented, such as a 13.8 VDC power supply requirement, current drain figures for RX (1.8-2 A) and TX (Max 20 A), and RF output power ranging from 5-40 W for AM and 5-100 W for FM, SSB (PEP), and CW. The entry details the triple conversion superheterodyne receiver system, listing IF frequencies at 69.01 MHz, 9.01 MHz, and 455 KHz, along with sensitivity ratings for various modes and bands. Transmitter section specifics include modulation systems and spurious emission levels. Additional features like a built-in auto ATU, electronic keyer, simple spectrum scope, DSP, and CI-V computer control are noted. The page also lists related documents, modifications, and an extensive array of optional accessories, including various filters, microphones, and external tuners, providing a complete profile of the IC-746.

Linux-based amateur radio logging software, _CQRLOG_, integrates a Firebird database for robust data management and offers radio control via _Hamlib_ libraries. It provides essential features for DXers and contesters, including DX cluster connectivity, _QRZ_ callbook lookup, a grayline map, and support for the ON6DP QSL manager database. The application incorporates a country resolution algorithm, developed by OK1RR, which is noted for its accuracy in identifying DX entities. The software's design prioritizes operational ease and maintenance, making it suitable for active logging. Its country resolution algorithm, based on meticulously maintained country tables, aims to minimize errors in DXCC credit. The integration of _Hamlib_ ensures compatibility with a wide array of transceivers, simplifying rig control for various operating modes and contest scenarios.

TR4W is a contest logging software package supporting over **180** amateur radio contests. The program operates on Windows 7 to windows 11 operating systems. It supports CW keying via serial port, LPT port, or Winkey, with CW speeds ranging from 1 to **99** WPM. Paddle input via LPT port enables the program to function as a keyer, with paddle input aborting computer-generated CW. PTT support includes programmable delay. The software incorporates automatic super check partial and call checking, along with an expanded .DTA database format for names, QTH, grid, and SS check information. A band map displays color-coded aging data. The software features a built-in telnet DXCluster interface, automatically inserting spots into the band map. It supports RTTY operation via the MMTTY engine and includes WAE QTC support for both European and non-European stations. TR4W provides radio interfacing for Elecraft, Icom, Japan Radio, Kenwood, Ten-Tec, and Yaesu transceivers, utilizing serial or USB-to-serial adapters. Networked multiple-rig operation is supported through a client-server model using TCP/IP protocol. Integrated two-radio support (SO2R) is present. The program includes on-the-fly MP3 recording and log backup to USB drives or selected HDD folders. It uses the standard CTY.DAT file for country and beam heading data.

TurboLog is a station management and logging program designed for amateur radio operators, providing robust database and logging functionalities. It features fully integrated support for controlling typical radio station equipment, including transceivers, packet radio TNCs, Morse and voice keyers, and digital mode terminals. The software also incorporates antenna switching capabilities and acoustic alerting, streamlining station operations for DXing and contesting. The program's utility extends to award tracking for entities like DXCC and IOTA, alongside comprehensive callbook and ham database integration. It supports log import and export, QSL label generation, and includes TNC drivers for packet radio. The trial version allows users to evaluate its extensive features before commitment, making it a versatile tool for managing complex amateur radio station configurations and operational data.

QRG_DB is a database for the Palm OS computer to control a Yaesu FT-817 Transceiver via the CAT interface

The Yaesu VX-5R, manufactured between 199x and 200x, offers a transmit frequency range covering 50-52 MHz, 144-146 MHz, and 430-440 MHz for European models, with US versions extending to 50-54 MHz, 144-148 MHz, and 430-450 MHz. Its receiver boasts an impressive wideband capability from 0.5 MHz to 999 MHz, with cellular frequencies blocked in some regions. The unit provides up to 5 watts RF output on 6 meters and 2 meters, and 4.5 watts on 70 centimeters, with selectable lower power settings down to 300 mW. This handheld transceiver utilizes a double conversion superheterodyne receiver system, featuring a 47.25 MHz first IF for FM and 45.8 MHz for WFM. Key specifications include a frequency stability of ±5 ppm across a wide temperature range and a current drain of 25-150 mA on receive. The VX-5R supports 220 regular memory channels with alpha tags, 3 home channels, and 10 NOAA weather channels, all stored in non-volatile EEPROM. Additional features include CTCSS/PL and DCS with tone search, ARS, ARTS, an internal voltmeter, and a Spectra-Scope. The device operates on a 7.2 VDC battery pack or 10-16 VDC external power, weighing 255 grams with dimensions of 58x88x27 mm. The VX-5R was also available as the metallic silver VX-5RS.

NewLogOSH is a logging application for amateur radio operators, featuring integrated support for various digital modes including FT4, FT8, RTTY, and PSK. The software incorporates DXCluster connectivity and radio interfacing capabilities, allowing for seamless operation with transceivers. Its database is built within the SQLite environment, providing a robust and portable data storage solution for logging QSOs and managing station information. The program's architecture focuses on practical functionality for daily amateur radio operations. Operators can utilize NewLogOSH for contest logging, general DXing, and managing their station's contact history. The inclusion of FT4 and FT8 modes reflects current trends in digital communication, while RTTY and PSK support caters to established digital protocols. The DXCluster integration provides real-time spot information, aiding in DX hunting and propagation analysis. Its SQLite backend ensures data integrity and ease of backup, making it a reliable tool for maintaining comprehensive station logs.

RadioMasterList, a comprehensive receiver and transceiver directory. Performances and specifications for every radio set

First released in 1988, _SWLog_ is a comprehensive suite of applications providing logging and remote control for both amateur radio and shortwave, utility, and broadcast listening. It integrates program schedules from sources like _HFCC_, _ILGRadio_, and _EiBi_ for broadcast reception, while also linking with amateur radio logbooks such as _ClubLog_, _eQSL_, _QRZ_, and _LoTW_. The software supports radio control for various transceivers, including _Flex_, Icom, Yaesu, and Kenwood, alongside interfaces like _FLRig_, _OmniRig_, and _HamLib_. Mobile applications for Android and iOS facilitate on-the-go logging and remote control, seamlessly transferring logs without manual ADIF export. _SWLog_ leverages an enterprise-grade relational database (SQL Server) for robust data management and analytics, enabling features like mapping QSOs by band or state. It offers specific integrations for _POTA_ monitoring, displaying active spots with real-time propagation and automatic radio tuning. The application's scalability allows multiple users to log to a centralized database, suitable for Field Day or DXpeditions. The user interface features modern aesthetics with light, dark, and gray themes, the latter optimized for outdoor visibility during activities like _POTA_ or _SOTA_. The Plus Edition, available for an annual fee, expands capabilities with advanced QSL integration, additional map providers, and enhanced propagation calculations using _VOACAP_.

Twigger is a very lightweight, free ham radio logger designed for Windows, offering seamless integration with transceivers via _TCI_ or OmniRig. This software stores all logged contacts in a SQLite database, with the flexibility to export daily ADIF files for import into a main logger or to send real-time QSO data via UDP in N1MM XML format. It also supports direct, real-time uploads to popular online logbooks like Clublog and QRZ.com, streamlining the logging process for active operators. The application has seen continuous development, with version 1.1.34 fixing an ADIF log importer bug and earlier versions adding crucial features like WSJT-X/JTDX UDP support. Author OE3IDE, Ernst, has incorporated user feedback, including ideas and testing from MW0LGE, to refine the software. Key enhancements include the transition to SQLite for data storage in version 1.1.32, allowing for easy import of previous Twigger ADIFs upon initial startup. The logger also features integrated DX cluster support, enabling users to send spots directly and query QRZ.com for callsign information, which is then cached to reduce redundant queries. The software's compact design and essential logging capabilities make it a practical tool for casual logging or as a secondary logger during contests, with the ability to handle **25 downloads** for version 1.1.34.

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.