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CwGet v2.55 is a software application for amateur radio operators designed to decode Morse code (CW) signals into text using a standard computer sound card, eliminating the need for specialized hardware. The program features a customizable interface with a spectrum display for visualizing signal frequencies and peaks, an oscillogram for monitoring signal presence and setting detection thresholds, and a received symbols window for displaying decoded text. Key functionalities include Automatic Frequency Control (AFC) to lock onto signals, adjustable FIR and IIR filters for noise reduction, and a burst filter to mitigate short noise impulses. It also supports automatic CW speed detection, multiple character sets, and the ability to record and replay received audio. Integration with logging software like AALog is facilitated through double-click word transfer, and transceiver frequency control is possible via the Omni-Rig interface, allowing for automatic tuning of the radio's VFO or RIT. The multi-channel decoder feature can simultaneously decode up to five strong signals within a 1600 Hz bandwidth, displayed in a separate Multi-RX Window with an adjustable squelch. CwGet also offers the capability to decode signals from pre-recorded WAVE files and can function as a narrow-band sound DSP filter for aural decoding. This is a commercial version and it has been tested on latest MS Winows versions.

DXKeeper is a robust, freeware logging application designed for amateur radio operators, providing extensive capabilities for managing two-way radio contacts. It records and organizes QSO data, integrates with various callbook CD-ROMs like _HamCall_ and QRZ.com for automatic data population, and supports real-time logging from digital mode software such as MMTTY and MixW. The software runs on Windows NT through 8, supporting both 32-bit and 64-bit systems, and is a core component of the DXLab Suite. This application offers detailed tracking for numerous awards, including DXCC, WAZ, WAS, and IOTA, highlighting needed entities and automating the QSL process. It generates QSL cards and labels, addresses envelopes, and facilitates uploading and downloading of QSO confirmations with eQSL.cc and Logbook of the World (LotW). DXKeeper also interoperates seamlessly with other DXLab Suite members like Commander for transceiver control and SpotCollector for DX spot aggregation, significantly streamlining contest and DXing operations by providing a unified interface for logging and station management, including over **40** supported awards and **3** major online QSL services.

Loop Recorder, a Windows-based software, offers continuous audio recording capabilities, specifically designed for capturing broadcasts from radio or internet radio sources. It features a **looping buffer** that prevents missing the beginning of desired audio segments, such as songs or specific transmissions. The application supports various audio formats including **MP3**, WMA, Ogg Vorbis, and WAV, allowing users to save recordings in their preferred codec. The software provides functionalities for scheduled recordings, enabling automated capture of content at predefined times. It caters to a range of users, from radio enthusiasts monitoring air traffic and scanner amateurs archiving communications, to professional environments requiring 24/7 broadcast storage or call center monitoring. The Pro version extends these capabilities for more demanding, continuous operational tasks. Compatibility spans multiple Windows operating systems, from Windows 9x up to Windows 10, ensuring broad usability across different system generations.

DXtreme Station Log 15 SE provides comprehensive logging functionalities for Amateur Radio operators, featuring robust _Logbook of the World_ (LoTW) support for automatic uploads, QSO record status capture, and QSL processing. The software integrates with _Afreet Omni-Rig_ for rig control and offers worked-before notifications for _WSJT-X_ and JTDX, streamlining digital mode operations. Its DX Spot Checker queries servers to indicate DXCC/VUCC status based on the user's database, utilizing Rich Site Feed or Grid Feed options. Key features include Improv Imaging and QSL Imaging for managing screenshots, documents, and QSLs, alongside Performance Reports for tracking station activity. The application incorporates AI functionalities, such as a Generic AI feature and a dedicated DXtreme GPT for specific instructions. DXtreme Interchange facilitates digitizing paper logbooks into ADIF-based project files, enabling rapid data entry and automatic field population. DXtreme Monitor Log 14, designed for radio monitoring, logs stations across the spectrum, including a Schedule Checker for broadcast stations from Aoki, EiBi, and FCC AM sites. It integrates with Afreet Band Master to identify needed Amateur Radio entities and supports reception report creation for QSLs.

CW Skimmer 2.1 employs a high-sensitivity CW decoding algorithm based on Bayesian statistics, enabling simultaneous decoding of up to 700 CW signals within a receiver's passband on a 3-GHz P4 system when paired with a wideband receiver. The software features a fast waterfall display with sufficient resolution for visual Morse Code interpretation, automatically extracting and labeling callsigns on the waterfall traces. Extracted callsigns are exported as DX cluster spots via an integrated Telnet cluster server. The application includes a DSP processor with a noise blanker, AGC, and a variable-bandwidth CW filter, alongside an I/Q Recorder and player. It supports both 3 kHz radio passbands and wideband SDR receivers like SoftRock, RF Space SDR-IQ/SDR-14, SRL QuickSilver (QS1R), HPSDR Mercury, and Microtelecom Perseus. System requirements specify Windows XP/7/8/10 (32-bit or 64-bit), a Pentium-4 2.5 GHz for wideband operation or 1 GHz for 3-kHz radios, a COM port for CAT control, and a stereo sound card supporting 48 kHz sampling. It integrates with Elecraft KX3, Icom IC-7300/IC-7610, and Flex 6000 series radios, with documentation available for various setup configurations.

AutoRec is windows freeware time based automatic recorder - player for radio broadcast. Auto Recorder will record or play wav audio files, and execute batch or other executable application programs at scheduled times. The primary use for Auto Recorder is automatic, unattended recording and playback of network or other satellite-delivered radio station program material.

Unified Microsystems presents a range of amateur radio products, notably the **XT-4 MK2 CW Memory Keyer**, a battery-powered iambic keyer designed for portable operations like Field Day, POTA, SOTA, and DXpeditions. It features four non-volatile memories, each storing approximately 240 Morse characters, and operates at speeds from 8-45 WPM. The XT-4 MK2 also includes an auto power save function and paddle reverse, making it adaptable for multi-operator setups. Beyond the XT-4 MK2, the site details the **W9XT Contest Card**, a PC plug-in board offering DVK and CW interface capabilities, allowing operators to record and playback CQs and contest exchanges. Other offerings include the BevFlex-4X RX Antenna System, RAS-4 RX Antenna Switch, VK-64 Voice CW Keyer, and various USB interfaces. Additional products cover electronic development, such as the ATS-1 Terminal Shield for Arduino™ and VR-X Power Supply Voltage Regulators, demonstrating a broader scope beyond just operating accessories. The XT-4Beacon MK2 / CW IDer is also highlighted for beacon projects, capable of storing messages up to 5 minutes at 25 WPM.

BroadWave Streaming Audio Software facilitates the broadcast of live and pre-recorded audio content over the internet, operating as a server on Windows PCs. It supports streaming from over 40 audio formats, automatically converting files for optimal delivery. The software allows for up to 8 separate live audio streams from a single PC and can serve up to 500 simultaneous listeners, contingent on available internet bandwidth. Listeners access streams directly through standard web browsers, eliminating the need for specialized client software. The free version, available for non-commercial applications, includes most features and does not expire. It supports recording live audio streams to WAV files and displaying the number of connected users. The professional version offers additional capabilities such as custom banner displays and integration with Zulu DJ Software for live mix streaming. System requirements specify Windows 7/8/8.1/10/11, with older versions compatible with earlier Windows OS releases. The application is designed for internet radio broadcasting, podcasting, and sharing live events, providing a direct method for **audio distribution** to a global audience without complex setup.

Lets you automatically record your favorite radio programs from Web Radio broadcasts, and then listen to them later on your PC, MP3 player or Pocket PC.

MultiKeyer is a dedicated computer keying program designed for amateur radio operators engaging in specialized operating activities such as Earth-Moon-Earth (EME) and Meteor Scatter, as well as general contest operations. It provides distinct modes for both CW and Phone transmissions, enabling automated message sequencing and playback of pre-recorded audio files. The software's interface shares a similar "look and feel" to the popular WSJT Meteor Scatter/EME program, facilitating ease of use for operators familiar with that platform. For CW operations, MultiKeyer offers an EME Auto mode for sending timed messages crucial for EME and Meteor Scatter, alongside a Contest mode that handles automatic CQ calls and preprogrammed messages. On the Phone side, it features a Sequenced Phone mode for transmitting prerecorded .wav files during Meteor Scatter events and an Auto Phone mode for contest use. The program leverages serial COM ports for CW and PTT signaling, and the soundcard for .wav file playback, with configurable PTT interrupt options. MultiKeyer integrates with TRX-Manager for PTT and CW keying, and can send callsigns for logging. It also supports WSJT-style "callsign.txt" files for lookups and adheres to the SO2R protocol for parallel port connections. Designed for Windows 98 and NT, it generally functions on Windows 95, ME, XP, and 2000, requiring a 133 MHz Pentium-class processor.

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.

BeaconSpot.uk provides an accurate, real-time picture of microwave and VHF/UHF beacons operating across Europe, alongside a worldwide listing of 6-meter beacons. The platform allows users to retrieve detailed data for individual beacons, facilitating in-depth analysis of signal characteristics and propagation paths. Interactive maps visualize beacon distribution by frequency band and display spot coverage for each station, offering a clear geographical overview of active beacons. The system integrates real-time DXCluster spots, sourced from contributors like Alain, ON4KST, and Pascal, F5LEN, and enables users to submit outgoing spots directly to the DXCluster. Beacon keepers can manage their beacon data, receive email alerts upon being spotted, and track their station's ODX (Outstanding DX) records. For every received spot, the distance to the beacon is automatically calculated and displayed, aiding propagation studies.

QJackRcd is a simple stereo recorder for Jack with few features as silence processing for automatic pause, file splitting, background file post-processing.

Facilitates logging of amateur radio contacts directly within a web browser, enabling seamless operation across various devices including Windows, macOS, Linux, iOS, and Android. This web-based application stores all log data securely in the cloud, providing accessibility from any internet-connected location. It supports importing existing log data via CSV files, with future plans for _ADIF_ file import, and offers a robust QSL card generation feature, producing print-ready PDF files in standard 148mm x 100mm dimensions. The platform integrates with Japanese government databases to automatically populate callsign-related information such as station location and license issue dates, streamlining data entry. It also assists with JCC/JCG searches for accurate QTH logging. The service leverages SSL encryption for all communications and benefits from security oversight by certified information security professionals. Users can register using email/password or existing Facebook/Google accounts, and the beta version is currently available for free. The system has processed over **5,297,881** logs, with **28,369** logs recorded in the past 24 hours.

The Kenwood TS-870S HF transceiver features two state-of-the-art 24-bit 20 MIPS DSP chips, providing over 100dB out-of-passband attenuation and CW bandwidth adjustable to 50 Hz. It operates across 160-10 meters with 100 watts output, incorporating digital filtering, a beat canceller, and 100 memory channels. The radio also includes a transmit equalizer, RX antenna input, and a K1 Logic Keyer, enhancing signal processing and operational flexibility for amateur radio operators. Advanced capabilities include IF stage DSP, dual noise reduction, and an auto notch filter, all contributing to superior signal reception and clarity. The TS-870S offers a variable AGC, voice equalizer, and an RS-232C port for computer control, with Windows™ software supplied. Its built-in automatic antenna tuner functions on all bands for both transmit and receive modes, streamlining station setup and operation. Available accessories such as the DRU-3A digital recording unit, SO-2 high stability crystal oscillator, and VS-2 voice synthesizer option further extend the transceiver's utility. The unit requires 13.8 VDC at 20.5 Amps and is supplied with an MC-43S hand microphone, making it a comprehensive station component.

Program for the control of the transceiver from your PC. Works on windows and has been tested with different serial and USB interfaces, Based on hamlib libraries , Auto CQ for repetitive calls, Audio Recorder, BktNetInterface for JTDX and WSJT-X

Explains the fundamental purpose of a repeater, detailing how these automated relay stations overcome distance and terrain limitations for VHF/UHF communications. It traces the historical development from early Bell Telephone Labs "relay" stations in 1922 to Art Gentry, W6MEP's, pioneering K6MYK amateur radio repeater in the mid-1950s, which remains active today. The resource clarifies the distinction between simplex and duplex operation, including the unique function of a "parrot repeater" for single-frequency recording and playback. Delving into the internal workings, the guide breaks down a repeater into its core components: the antenna system, feedline (often _Heliax_ or hardline for minimal loss), duplexer, receiver, transmitter, and controller. It emphasizes the critical role of the duplexer in preventing receiver desensitization by isolating transmit and receive signals, even with distinct frequencies. The discussion highlights the importance of high-performance, durable antennas and low-loss feedlines, citing examples of equipment installed in the 1960s and 1970s that are still in perfect working order. Operating a repeater is also covered, with an explanation of frequency offset (e.g., the 600 kHz standard for 2 meters) and the function of _CTCSS_ (PL tone) for access. It outlines standard input/output offsets for various bands, from 6 meters to 23 centimeters, while noting regional variations. The guide also touches on features like autopatch and Digital Voice Recorders (DVRs), providing a solid foundation for understanding repeater technology and usage.

Ground Station offers real-time satellite tracking and radio communication capabilities, primarily for amateur radio operators engaged in satellite operations. It utilizes **TLE data** from sources like CelesTrak and SatNOGS for precise orbital prediction and integrates with various SDR devices, including RTL-SDR, SoapySDR, and UHD/USRP radios, to receive live signals. The software provides automated antenna rotator control and **Hamlib-compatible** rig control with Doppler correction, crucial for maintaining signal lock on fast-moving LEO satellites. It supports IQ recording in SigMF format and decodes several digital modes such as SSTV, FSK, GFSK, GMSK, and BPSK with AX25 USP Geoscan framing. Dedicated interfaces are available for satellite tracking, SDR waterfall displays with live transcription and packet decoding, and telemetry packet viewing. Users can manage TLE data synchronization and SDR hardware, along with browsing decoded outputs through an integrated file browser. An observations dashboard and DSP topology view further enhance the operational experience, providing comprehensive tools for monitoring and analyzing satellite passes.

DXFile is a Windows shareware application designed for amateur radio operators, providing comprehensive log management capabilities. The software, developed in Pascal, facilitates real-time and deferred QSO entry, automatically populating fields like frequency, mode, and DXCC country based on user input and system time. It includes features for searching, modifying, and deleting QSO records, with options to sort logs by date, callsign, or entry order. The program offers various printing functions, including QSL card labels in multiple formats, and can generate standard logbook printouts. Beyond basic logging, DXFile integrates modules for tracking progress towards major operating awards such as DXCC, _IOTA_, WAZ, WAS, DDFM, and DIFM. It provides detailed summaries of contacts by band and mode, including graphical representations of HF traffic. A dedicated QSL Manager module assists in processing received QSLs, allowing users to mark confirmations and print multi-line QSL labels. The application also incorporates a DXCC list viewer, which can be updated to ensure accurate country and zone data for logging and award tracking. A distinctive feature is its HF propagation prediction module, which calculates optimal frequencies and signal levels for paths between **250 km** and **6000 km**, considering both E and F layer ionospheric conditions. This module helps operators determine the best times for long-distance contacts. Additionally, DXFile includes a _Web-Cluster_ interface, enabling connection to various DX cluster servers like DXLITE, DXSCAPE, and NC7J for real-time spot information.

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.

The **World Wide Digi DX Contest** website serves as the official hub for this annual digital DX event, a joint effort by the World Wide Radio Operators Foundation (WWROF) and the Slovenia Contest Club (SCC). It details critical operational changes, such as a strict 48-hour log submittal deadline and the prohibition of autonomous operation, ensuring fair play and adherence to contest guidelines. Participants can find comprehensive operating tips, instructions for submitting **Cabrillo logs**, and access to an ADIF converter to streamline their post-contest workflow. The resource clearly outlines future contest dates, consistently held on the last full weekend of August, with specific dates listed through 2029, including August 29-30, 2026, and August 28-29, 2027. Beyond the WW DIGI contest, the site also references other major contests like CQ WW, CQ WPX, and CQ 160, providing a broader context for digital and traditional contesting. A video recording and presentation PDF from the 2019 event are also available, offering insights into past operations.