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modifications collected about Yaesu VX-150 by mods.dk

These pages are entirely devoted to the Kenwood TS570 series Transceivers. Specifications & Brochure, Pictures, Schematics, Reviews, Manual and Modifications.

Yaesu VX-6R mods

mods for the Yaesu FT-100 by radiomods.co.nz

Allow 9 bands and 1300 Watt output on the TL-922 amplifier with this document by PA0FRI

Extended transmit for TH-F6A and other mods

Another good collection of TS-850 modifications

List of mods for the ICOM IC-7000 with many PDF Files

Collection of modifications notes for the Kenwood TS850

The MFJ-940 VERSA TUNER II is a useful little antenna tuner for the HF-bands. However it suffers from a minor design error, which can be easily rectified.

This document serves as a comprehensive guide for amateur radio operators looking to enhance their Yaesu FT-2000 or FT-950 transceivers with pan-adapter capabilities. A pan-adapter is an invaluable tool that allows operators to visualize the frequency spectrum, making it easier to identify signals and improve operational strategies. The guide details the necessary hardware modifications, including the RF Space IF-2000 board and various SDR options, along with their costs and installation procedures. The document caters to operators of varying technical expertise, providing step-by-step instructions and troubleshooting tips. It emphasizes the importance of using a sound card and software like PowerSDR and HRD for optimal functionality. By implementing these modifications, users can monitor multiple frequencies simultaneously, leading to a more productive and enjoyable amateur radio experience. This resource is particularly beneficial for those looking to modernize their equipment and remain competitive in the ever-evolving world of amateur radio.

Collection of TS-50 mods, LCD display dark, TS50<-->AT50 communication, TS-50 Power Mod for QRP, TX Coverage mod TS-50, CAT control for TS-50S

This note describes a relatively small, but efficient, loop antenna initially created for portable operation. With suitable modifications, it can be adapted for fixed station use. In this age of CC&Rs, an antenna similar to this may very well be the answer to your problems. Have a look, be inspired, get out the torch / soldering iron and create your own version!

IC-2720H modifications and links to manuals

All about the JRC NRD-525 receiver. Modifications, review, manuals, tipd and tricks

N4ATS - Devoted to the Yaesu FL-7000 Amplifier. I have been rebuilding, repairing, and applying modifications to the Yaesu FL-7000 amplifier for 15 years. Over 200 units completed and counting!

Baofeng UV-5R extreme Receive Modification

Modifications for the Yaesu FT-920

IC&#8208;2300 MARS/CAP mod expanded frequency range 136&#8208;174 MHz

The Icom IC-7300 is a popular HF transceiver among amateur radio operators, known for its advanced features and performance. This modification guide focuses on enabling extended transmission capabilities, specifically for MARS and CAP frequencies. The instructions are based on the work of PA2DB and include detailed steps for removing specific diodes to unlock additional frequency ranges. Before proceeding with the modification, users are advised to take necessary precautions, such as ensuring the radio is powered off and using ESD protection. The guide emphasizes the importance of using appropriate soldering techniques and tools to avoid damaging sensitive components. A video demonstration is also provided to assist users visually in performing the mod. While this modification can enhance the functionality of the IC-7300, it is crucial to note that it may void the warranty and should be undertaken at the operator's own risk. The guide serves as a valuable resource for those looking to expand their operating capabilities with this versatile transceiver.

An interesting modification to improve the gain of your 5 element Tonna Yagi beam for 50 MHz by roughly 3 db!

Enabling IC 706 for 4 meter band modification in italian.

CQDX11.com serves as a vital hub for Citizens Band (CB) radio operators, particularly those interested in the 27 MHz band. The site offers a wealth of information on CB radio models, modifications, and antennas, catering to both beginners and seasoned DXers. Users can explore various resources, including a logbook for tracking contacts, forums for community interaction, and guides on equipment and techniques for effective communication. In addition to technical resources, CQDX11.com emphasizes the social aspect of CB radio, providing a platform for users to share experiences, tips, and engage in real-time chat. The site also features a section dedicated to CB radio news and updates, ensuring operators stay informed about the latest trends and developments in the CB community. Whether you're looking to enhance your setup or connect with fellow enthusiasts, CQDX11.com is an essential destination for all things related to CB radio.

50 MHZ Moxon antenna based on the KG4JJH design with some slight modifications in the construction

List of modifications for the kenwood TS-50

Technical and modification information on Astron Power Supplies compiled from a number of different sources by Mike Morris WA6ILQ

This article documents the modification of 2 types of Hewlett Packard switching power supplies to enable their use as power sources for ham radio equipment

Modifications and messages about the Yaesu FT-450

The document provides a detailed guide on modifying an inverted-L antenna to include the 160 meters band. This enhancement allows amateur radio operators to utilize the lower frequency effectively, which is crucial for long-distance communication, especially during the night. The inverted-L design is popular due to its compact size and ease of installation, making it suitable for various environments. By adding top band capabilities, operators can engage in DXing and contesting on 160m, expanding their operational range and opportunities. The guide includes practical tips and considerations for construction, ensuring that the antenna maintains its performance across the extended frequency range. It discusses the necessary adjustments and materials required for the modification, along with potential challenges and solutions. Whether you are a seasoned operator or a beginner, this project can enhance your station's capabilities, allowing for more versatile operations and improved signal quality on the 160m band.

The Icom IC-746 is quite a popular HF/VHF multimode transceiver which has one shortcoming in its standard configuration when used to operate modes requiring good medium-term frequency stability.

ACOM 1000 modification uses electric band switching, such that both 6m and 4m operation can be maintained.

Collection of modifications for the Heathkit SB-200 RF power amplifier

An unused 5v supply connection allows an electret condenser microphone element to be used in place of the standard dynamic element. Modification by M0UKD

This simple modification is applicable to pretty much any 12 volt operated, positive earth equipment. by Chris Cox, N0UK, G4JEC

Modification of the MHW 612 by Motorola for the two meter band by sv1bsx

Dentron GLA-1000 Conversion, modification with 4 x PL/EL-519 or 2 x GI-7B

Modifications for the Kenwood TS-940, TS-940S LCD Clock Display Erratic Operation, Talk Power Improvement, erratic display, ALC mod

AM-6154 222MHz grid Conversion Information by N0UK

This modification will allow the MkIIG to transmit on most of the frequencies that it receives on.

Recen Kenwood TL-922 (TL-922A, TL922) modifications

Mods.dk - modification for IC 2720H

ham.dmz.ro FT1000 pages

Extension to an existing fan dipole originally modeled for 40 20 and 6 meters. This modification will add 80 15 and 10 meter bands.

A rotator modification by W4ZT

Wikipedia page dedicated to the popular Yaesu VX-2R transceiver, include informations on modification.

cqham.ru russian only modification page

VK2KFJ amatuer radio information pages, including packet radio, six metres, radio modifications, local repeater lists.

Modification to connect a frequency counter to a MFJ-9406 50 MHz transceiver by ON6MU

Yaesu FT857D No TX Audio, video on reparing and yaesu Mic modification, with audio improvements for SSB and FM