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A multiband end-fed antenna that cover 3.5 to 30 Mhz using a 1:64 Balun based on a FT240-43 core

Great shareware software collection for ham radio, includes prefix finders, locators,frequency generators and links to other ham radio software.

MT63 soundcard program for Windows by IZ8BLY

Adding Pan-adapter Capability to the Yaesu FT-2000/FT-950, PDF File by AC0C

Setup for the Yaesu FT-2000 by John K3UR

Yaesu FT-2000 Audio Settings 3 stage Parametric Equalizer Speech Processor OFF

A page dedicated to 2nd generation of the FTdx9000 series transceiver Yaesu FT2000

VA7ST page about the Yaesu FT-2000

Audio setting and improvements for Yaesu FT-2000 by k6jrf

Yaesu FT-2000 series diagram

W3YY review of the Yaesu FT-2000 transceiver after a 18 month usage.

Step by Step - Installing the NS Roofing Filter into the FT-2000

Extending frequency to FT-290R for transverter use

Free full featured remote control your Yaesu FT-2000, FT-950 and FT DX 5000 for windows by DF3CB

By I0GEJ Weblog - Lidio Gentili

Sommerkamp FT 250 Shortwave Transceiver (YAESU FT 200)

The Yaesu FT-2000 on RigPix

1:49 UNUN using two stacked FT240-43 cores for end fed halfwave antenna. To match the end fed half wave antenna to the coaxial feeder, it is necessary to have a matching network or transmission line transformer.

This Microphone comparison article summarizes the test results of two popular ham radio microphones the ElectroVoice RE27 and Heil PR781

Yaesu FT-950 and FT-2000 Roofing Filter Optimization and Improvement Project

Decodium is the name of the FT2 mode WSJT-X Fork developed by IU8LMC that implements the fastest digital mode allowing 3.8 sec cycles allowing to reach the 240 QSOs per hour. WSJT-X FT2 software can be downloaded from this web site. Being an experimental release the source may change in the future.

Summary Instructions for Installing the AC0C Roofing Filter by NS into the Yaesu FT-950

Yaesu FT-950 and FT-2000 Roofing Filter Optimization and Improvement

A Simple Serial and Sound-Card Interface for the Yaesu FT-857D using an FT232R USB-to-serial bridge chip.

If you want to build your own common mode choke, this article explains how to measure the efficiecy of your choke before using it. In the examples has been used Amidon FT240-31 toroids.

This blog post details the construction and usage of a 4:1 current balun, using two FT240-31 ferrite cores and 12 bifilar turns. It clarifies common misconceptions about using 4:1 baluns with G5RV antennas and ladder-line to coaxial cable connections. M0PZT emphasizes the importance of proper measurements and the limitations of internal baluns in manual antenna tuners. Detailed instructions and considerations for winding and deploying the balun are provided, along with advice on choosing suitable cores and wire for various power levels and frequency ranges.

A step by step guide to install the NS Roofing filter into the Yaesu FT-2000

The article describes the construction of a 1:49 impedance transformer designed to match the high impedance (around 2500Ω) of an end-fed half-wave (EFHW) dipole antenna to the 50Ω impedance of a typical transceiver. The EFHW is a popular portable antenna due to its simple construction, but feeding it can be challenging compared to a center-fed dipole. The transformer was built using an FT240-43 ferrite toroid core, with 2 primary and 14 secondary windings for a 1:49 impedance ratio. A capacitor was added in series with the primary winding to improve performance at higher frequencies. The author compared versions with one and two cores, and found that 100pF worked best for the single core design while 200pF was optimal for the dual core transformer.

This article presents an RF Choke featuring an 11-bifilar turn winding of #14 house wire on a Fair-rite FT240-31 toroid. The choke is enclosed in a 3D-printed case from Thingiverse, though this may pose thermal concerns at higher power levels. With SWR concerns up to 30MHz, the author plans to employ two series chokes at the rig input for improved performance. This choke offers versatility for portable use, with potential mismatch resolution using an antenna tuner. Further testing is anticipated upon the arrival of new cables.

The Kenwood TS-50 is a reliable 25-year-old mobile HF radio, widely used in DX operations but lacking CAT and DATA ports for modern logging or contest software. To overcome this, a custom CW interface was built using an USB to TTL module (FT232/FT232RL) and an optocoupler (e.g., 4N25, H11A1) for galvanic isolation. This setup enables the TS-50 to connect with a computer via USB, facilitating integration with software like LOGGER32 and Win-Test. The interface is cost-effective and driver-free for Windows XP and 7, making it an accessible solution for enhancing the TS-50's functionality.

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 Yaesu VX-6R USB Programming Interface is a reliable solution for programming the Yaesu VX-6R handheld radio using USB. Based on the FT232RL chip, it replaces older RS232 interfaces and USB converters, ensuring stable communication. The design integrates a buffering circuit with a Sparkfun breakout board, featuring TX and RX LEDs for easy monitoring. The compact interface connects to the radio via a four-pin header, with a solder bridge option for radios requiring separate data lines. This setup has proven reliable and versatile, allowing the FT232RL to be repurposed for other projects.