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HamAlyzer is a spectrum analyzer made just for hams, save plot images easily for emailing, monogramed with your call sign. HamAlyzer looks no more supported, here 2.8 trial version available. Download hamalyzer

EasyPal is a sophisticated digital Slow-Scan Television (SSTV) application that utilizes soundcard technology to encode and decode SSTV signals. Developed by the late Erik Sundstrup (VK4AES SK), this software has evolved into a versatile communication tool for amateur radio operators, extending beyond basic image transmission capabilities. EasyPal implements Digital Radio Mondiale (DRM) encoding technology, enabling efficient data transmission over narrow 2.5 KHz channels on both HF and VHF frequencies with remarkable speed. The application supports multiple file formats, including jpg, pdf, txt, doc, and xls, as well as specialized forms such as ICS-213 and ICS-213 (ARES). Additionally, EasyPal offers email functionality through designated repeater stations with internet access. Its responsive development history and robust feature set have established it as a premier digital SSTV solution in the amateur radio community, though users of Windows 11 should note specific configuration requirements to ensure optimal performance.

CallBook is an Amateur Radio application that allows you to look up call signs via the free WM7D server, the QRZ Online subscription service or the HamCall subscription server and track active APRS stations on www.aprs.fi. Lookup results can be emailed and the QTH can be instantly viewed in the Maps application

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.

Connecting to the global *EchoLink* network via a web browser simplifies internet linking for licensed amateur radio operators. This web application provides a direct interface, eliminating the need for client software installation. Users can log in with their validated callsign and password to access the system, facilitating contacts with other stations, repeaters, and conferences worldwide, much like traditional VoIP applications but tailored for amateur radio. The interface offers essential controls for managing connections, including selecting specific stations or conferences from a dropdown list, initiating a connection, and disconnecting. Features such as a 'Call CQ' button allow users to signal their availability for a contact, while options for low bandwidth operation and accepting incoming connections optimize performance and accessibility. Audio device selection ensures proper microphone and speaker integration with the web client. Validation of an amateur radio license is a prerequisite for full access, ensuring that only authorized operators utilize the network. The system prompts unvalidated users to provide an email address and password to begin the validation process, which typically involves submitting proof of license. This free service extends the reach of amateur radio communications globally, bridging geographical distances through internet connectivity.

OpsLog is a modern amateur radio logbook application for Windows, designed to consolidate station operations into a single, integrated interface. It provides fast, single-strip QSO entry with automatic lookup from QRZ.com or HamQTH, populating callsign, name, QTH, and grid square. The software offers real-time CAT control supporting OmniRig, native FlexRadio/SmartSDR, Icom CI-V (via USB or internet), and TCI protocols. Key logging features include ADIF 3.1.7 compliance, offline DXCC resolution, a worked-before matrix, and dupe detection. It also incorporates a great-circle map for short/long path calculations and a clickable rotor compass, displaying antenna direction accurately. The application integrates DX cluster functionality with multiple server connections, band map spot display, and customizable alert rules for callsign, country, band, mode, or spotter, delivering notifications via sound, on-screen alerts, and email. OpsLog tracks numerous awards such as DXCC, WAS, WAZ, WAC, WPX, IOTA, POTA, SOTA, WWFF, and DDFM, with synchronization capabilities for ClubLog, LoTW, QRZ.com, and eQSL. For contesting and multi-operator environments, it offers serial number auto-fill, enforced contact windows, live dupe flagging, and shared MySQL logbook support for real-time status updates among operators. Additionally, it includes a QSL card designer with automated layout suggestions.