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Callsearch is a Windows-compatible software application, version 7.3.6.1, designed for looking up **US** and **Canadian** amateur radio **call signs**, as well as US GMRS call signs. It replaces the previous FCC Lookup program, offering similar functionality with some scaling down, notably replacing Ten-Ten lookup with GMRS call sign search. Key features include searching active and non-active US records, wild card searches for US call signs, and specific US county and city searches using a November 2020 zipcode database. The software provides geographic coordinates, sunrise/sunset times, and license class display. Users can configure themes, save search output in CSV format, and perform batch file processing to CSV. Version 7.2 and later support multiple county selections and an option to include counties within districts. It includes a digitally signed certificate and supports manual and automatic updates of the Master FCC Database. The program runs on Windows 32 and 64-bit platforms, and on Mac and Linux using the WINE emulator with WINEPFX set for Windows 8 or later.

SKY Audio is a duplex remote audio software for Windows, allowing two-way audio transmission between devices. Users can send and receive audio, as well as engage in PTT functionality. The program offers low audio latency and the ability to configure connection settings. The freeware software can be downloaded from the provided link.

FISTS Log Converter simplifies various tasks for amateur radio operators. It aids in tracking FISTS Awards, submitting applications, and creating logs for FISTS Activities in Europe like the Ladder and EuCW Snakes & Ladders. Users can generate callsign checklists and import logs from existing logging programs via ADIF files. Available as freeware, it runs on Windows 2000 and later versions

Version 1.0.1.0 of QW5 Lizard, released on September 21, 2019, is a specialized logging program designed for Windows notebooks, particularly for outdoor operations and contest participation. It supports individual configuration and input masks, making it suitable for various HF and VHF/UHF contests. The software prioritizes data security, with a planned feature for live upload directly to the GMA database, catering to activations of references such as mountains, WCA, lighthouses, and WWFF. This logging tool offers robust export capabilities, including EDI for NAC and IARU Region 1 Contests, as well as standard ADIF and Cabrillo formats. The program has undergone extensive testing and deployments by various stations, demonstrating its utility in real-world contest scenarios, such as the Holzhammer Contest. Future extensions for specific contests are also anticipated, enhancing its versatility for the competitive ham radio operator.

The project details the construction of a small, portable **CW decoder** built around an Arduino Nano and an LM567 tone decoder circuit. It integrates an OLED display for output and is powered by a 1200 mAh Li-Po battery. The Arduino Nano is programmed with a modified version of the OST Morse Box firmware, originally based on Budd, WB7FHC's work, provided as a HEX file for flashing. The LM567 output connects to Arduino pin D2, while pins A6 and A7 are grounded due to the absence of potentiometers, simplifying the circuit. Standard I2C connections are used for the OLED: SDA to A4 and SCL to A5. The entire assembly, including the Arduino, OLED, and decoder circuit, is mounted on a perfboard to fit precisely within an old cassette tape box. This design emphasizes portability and compact form factor. Parameters for the decoder can be adjusted using a dedicated Windows Control program, offering flexibility in operation. The resource provides practical insights into adapting existing firmware for specific hardware constraints and achieving a self-contained, battery-powered **Morse code** decoding solution.

The Gemini Amplifier Remote Control software operates on Windows 7 and above, facilitating remote management of the Gemini HF-1K and DX-1200 amplifiers. Users connect via Ethernet, configuring the amplifier's IP address through the front panel. The software allows seamless band and antenna selection, saving settings for each band without requiring transmission. Integration with _OmniRig_ from Afreet Software, Inc. enables automatic band adjustments based on the radio's frequency changes. Users can configure serial or virtual serial connections, with tracking options accessible through the ribbon bar. The software supports speech functionality, enhancing accessibility for operators. Firmware updates, such as version 2.5Ee, introduce features like background datalogging and power output control, uploaded via FTP. Version 1.2.0 allows users to offload internal parameter data for support purposes. The firmware upload process requires the amplifier's IP address and port 21, taking approximately 90 seconds. Users are encouraged to upgrade to the latest firmware for improved performance and remote diagnostics.

INTERCOM is a freeware application designed for remote control of KENWOOD TMD700/710/V-71 transceivers, as well as other transceivers equipped with UP, DOWN, and PTT commands. Compatible with Windows XP and higher (32 & 64-bit), INTERCOM offers multilingual support in English and French, and can be used on Linux, Ubuntu, or Android platforms via WINE 1.0 or CROSSOVER. The software enables users to send basic commands—such as selecting TX, VFO, memory channels, or power levels—either through manual inputs or over a TCP/IP link. INTERCOM is tailored for SIMPLEX setups, facilitating the interconnection of VHF/UHF repeaters with nearby repeaters. Remote commands are transmitted using DTMF codes, which are decoded by SIMPLEX and forwarded to INTERCOM via TCP/IP. This functionality makes INTERCOM an ideal tool for radio enthusiasts and operators seeking seamless remote management of supported transceivers in simplex configurations.

This page provides detailed instructions on how properly setup the Win-Test contest logging application for windows with the popular Yaesu FT-991 transceiver by installing properly the UART Bridge COM to USB port drivers to properly set the switched inside the Win-Test application.

Swan provides a real-time, browser-based visualization of **meteor radiants** and forward scatter corridors, serving as a modern re-imagining of the classic Virgo meteor sky visualization tool. It displays meteor radiant and radio scatter geometry, offering both visual and numerical skyview data. The tool updates in real-time, showing current sky conditions and allowing users to pause and review specific timeframes for analysis of meteor shower activity and potential radio propagation paths. This enables operators to identify optimal windows for **meteor scatter** contacts. Operators can utilize Swan to predict and optimize their meteor scatter DX attempts by understanding the geometry between their station, meteor radiants, and potential receive stations. The interface presents critical data points for assessing forward scatter opportunities, which is crucial for maximizing short-duration meteor burst communications. By observing the real-time skyview, users can correlate meteor activity with observed signal enhancements, refining their operating strategies for specific meteor showers or random meteor pings.

SDR Television v1.0 operates as a DVB-S2 / AAC / H264 / H265 program, specifically engineered for QO-100 satellite Digital Amateur Television (DATV) operations. It provides a full-duplex solution on modern x86 computers running Windows 10 or 11 (64-bit, 8+ cores, AVX2 support recommended), leveraging DLLs from _SDR Console_ for control of devices like _Pluto_ and _LibreSDR.TV_. The software requires installation of the SDR Radio kit for wideband mode support. Initial development focused on a proof-of-concept for QO-100, with future enhancements planned to include H266 / AV1 / Opus codecs and an improved cross-band user interface. The current stable release functions reliably for QO-100 DATV. Users must install the SDR Radio kit, followed by the SDR Television kit, into the same directory. Support inquiries are handled via the SDR-Radio.com mailing list, ensuring direct assistance for operational questions.

SO2R Focus Control and SO2R FC Server are freeware VB6-based tools enabling remote or local control of modern SO2R controllers (supporting OTRSP and MK2R protocols) outside contest logging sessions. The client (SO2R Focus Control) manages serial-connected controllers and can interface remotely via LAN or internet using the optional SO2R FC Server, which supports up to two concurrent clients. Key features include AUX port control with customizable labels, interlock options, AES-256 encrypted network communication, and compatibility from Windows XP through Windows 11. Designed for operators needing flexible station control—especially for remote antenna switching—both programs install cleanly via NSIS and uninstall completely.

Receiving Digital Amateur Television (DATV) signals requires specialized software to interface with hardware tuners and decode the video stream. The _MiniTioune_ software, developed by F6DZP, serves this purpose, providing a Windows-based application for DVB-S and DVB-S2 reception and analysis. It is designed to work in conjunction with _MiniTiouner_ hardware, enabling hams to monitor DATV transmissions, including those from the QO-100 geostationary satellite. The resource outlines the initial setup process, including connecting the MiniTiouner hardware via a high-quality USB2 mini cable and running diagnostic test software. It details how to configure essential parameters such as symbol rate (SR), FEC rate, and DVB mode for various signal sources, from domestic satellite dishes to local DATV transmitters. Troubleshooting steps for common issues like "no video displayed" are also provided, often pointing to corrupted software filters or incorrect _Auto PID_ settings. Advanced features like the Web monitor for remote signal reporting and integration with _VLC_ media player for more tolerant decoding of non-DVB compliant signals are covered. The document also references a comprehensive user guide by W6HHC for the _MiniTiouner-Express_ system, which utilizes the same software, offering further in-depth assistance for operators.

Version 0.7 of Open Tuner, released on April 27, 2023, marked a significant milestone by introducing proof-of-concept dual tuner functionality for the BATC Minitiouner. This C# client, inspired by Heather Lomond's _Longmynd_ project, aims to leverage both tuners and demodulators within the NIM module, a capability crucial for advanced Digital Amateur Television (DATV) operations on QO-100 and terrestrial links. My own experience with DATV often involves juggling multiple receive paths, so a unified client like this simplifies the workflow considerably. Further enhancing its utility, version 0.9 (February 11, 2024) integrated support for the Raspberry Pico, utilizing Colin (G4EML)'s _PicoTuner_ firmware. This offers a more accessible and cost-effective alternative to the traditional FTDI module, streamlining dual tuner setups with a single USB cable. The project's evolution reflects a practical approach to overcoming hardware availability challenges. The software is developed using Visual Studio 2019/2022 and .NET Framework 4.7.2, requiring specific Nuget packages like VLC/Websocket and an ffmpeg folder for full operation. It's an active, community-driven effort, with the source code openly available on GitHub for contributions and bug reporting, embodying the collaborative spirit of amateur radio development.

Monitoring public safety communications, particularly fire department dispatch, presents a unique challenge as agencies increasingly move towards encrypted systems. This Broadcastify feed, originating from a _BCD396XT_ scanner situated in northern San Diego City, provides real-time audio for the San Diego City Fire Department. While it previously included police dispatch, those transmissions are now fully encrypted, a common trend impacting scanner enthusiasts and emergency services observers alike. The setup utilizes a Windows server running _Freescan_ and _RemoteFS_ for remote control, ensuring consistent operation and clear audio via a ground loop isolator. With a peak of 8,785 listeners in the last 24 hours, the feed demonstrates significant interest in local emergency traffic. Alpha tags, indicating the current channel, are generally available for premium users, enhancing situational awareness for listeners. Feed archives are maintained in 30-minute segments, allowing for review of past incidents and operational patterns, a valuable feature for those studying emergency response or simply keeping informed about local events.

Details the Virtual COM Port (VCP) drivers for Silicon Labs CP210x USB to UART Bridge devices, which are crucial for establishing serial communication between a host system and CP210x-based hardware. It covers driver availability for Windows, macOS, Linux, and Android, highlighting the necessity of these drivers for operating CP210x products as a virtual COM port. The resource also mentions the option for direct access drivers and references _Application Note 197_ for comprehensive serial communication guidance. The page specifies that the CP210x Manufacturing DLL and Runtime DLL have been updated, requiring their use with v6.0 and later of the Windows VCP Driver, impacting specific application note software downloads like AN144SW.zip. It notes that Linux 3.x.x and 4.x.x driver versions are maintained within the _Linux kernel tree_ at www.kernel.org, ensuring ongoing support. Legacy OS software is also provided for users requiring support for 5.x drivers, ensuring broad compatibility.