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Professional SDR Signal Analysis Tools - Khanfar Spectrum Analyzer offers specialized SDR software tools for signal analysis, including real-time FFT analysis and precise frequency selection. The website provides a range of software for signal monitoring, spectrum analysis, radio direction finding, and antenna systems.

The ICOM IC-745 is a durable 1980s HF transceiver, ideal for enthusiasts who enjoy restoration. While lacking modern serial control, it supports digital modes with modifications like sound card connections and frequency stabilization. Enhancements like an RTL-SDR panadapter can also be added, making it a versatile and valuable radio for contemporary use.

Learn how to build a VHF 144MHz transverter connected to an LMR SDR radio using easily accessible components. The transverter works by mixing the 144Mhz input frequency with a 116 MHz local oscillator frequency. Explore the challenges of finding a 116 MHz crystal and the solution of using a programmable Si5351A oscillator. Follow the provided schematic for the RX and TX sections. The transverter design is still a work in progress, with ongoing trials to achieve optimal results.

The page provides information on Kenwood TS-440S transceivers, including mods, reviews, software, and diagrams. It also covers other related topics like SDR Transceivers, Antennas, Power supplies, Rotators, Antenna tuners, Repeaters, Transverters, Meters, Ham resources, CB Equipment, Power amplifiers, FRS/GMRS, and PMR446. This content is useful for hams looking for resources and support for their Kenwood TS-440S radios and other amateur radio equipment.

Learn how to create a USB Keyer for PowerSDR to enhance your CW experience. This article provides a step-by-step guide using affordable materials like a USB to TTL Module (FT232RTL) and a Keyer iambic. The tutorial includes a detailed wiring diagram and instructions for configuring the Keyer in the PowerSDR menu. The author also shares a helpful video demonstration to ensure smooth operation. Whether you're a seasoned ham operator or new to CW, this DIY project can improve your radio setup. Follow these instructions to build your USB Keyer and elevate your PowerSDR experience.

The page provides a review and setup guide for the Gemini Amplifier, a popular HF Amplifier. Learn about the features, performance, and best practices for using the Gemini Amplifier to improve your ham radio experience. This program provides remote support for the Gemini HF-1K and DX-1200 amplifiers from Linear Amp UK. This software supports Windows 7 and higher, so Windows XP is not supported. The kit is signed - check for a signing certificate from SDR-Radio.com Ltd.

The author discusses ways to display VHF and higher bands using a K3/10 as  transverter, NooElec Upconverter, SDR, and SDR-Console. He observed that the results were remarkable, with the tuned frequency visible at +/-100kHz. The K3 Interface Option (KXV3A) produces a buffered IF output at 8.213MHz, which is received using a NooElec NESDR SMArt SDR dongle and Ham It UP Upconverter. The SDR-Console program is utilized, with Omnirig synchronizing the SDR and K3. To configure the system, particular parameters are required, such as adjusting the IF frequency to 133.213MHz (125MHz + IF frequency) and inverting the spectrum. The Panadapter demonstrated ES activity at 10m, and modest software tweaks may be required for improved performance.

f4hxn.fr is the personal website of amateur radio operator F4HXN, showcasing his projects, station setup, antennas, digital modes, WSPR experiments, ADS-B reception, and technical guides. The site shares tools, real-time data, logs, and practical resources for radio enthusiasts interested in HF, VHF, UHF, SDR, and modern ham technologies.

Mid Sussex ARS is an RSGB-affiliated club and meets at its headquarters in Burgess Hill on the 2nd and 4th Friday of each month. They organize various activities ranging from talks by members or guest speakers, evenings on the air using their shack's latest SDR equipment, training evenings and used equipment sales. As well as scheduled club nights, they run many outdoor activities throughout the year, including direction-finding contests, town days, social evenings and Special Event Stations. They even have their own free online training academy!