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This modification will allow the use of separate receive and transmit antennas on the Kenwood TS-850S/AT.

Common problems and improper operations of Yaesu FL 2100 RF power amplifier

The ZS6BKW antenna evolved from an optimization of the G5RV antenna. The SWR on 80m is too high and the 40 ft ladder line matching section is a little too long on 17m and a little too short on 10m

Istructions to use the IFD demodulator

This modification will expand the tx frequency range of the Yaesu FT-991 from allowing just ham radio bands, to all bands 1.8 - 30MHz and 50-54 MHz.This information is solely for use by licensed members of MARS (Military Affiliate Radio System) or CAP (Civil Air Patrol)

Best audio settings, modifications and tricks for the Yaesu FT-2000 by DK3HV

Yaesu MH-31 Electret Condenser Mic Modification

Modifications for motorola and ericsson radio repeater

Problem width the memories, TS-570 Batteries, MARS/CAP Modification

Kenwood TS-570 mods at mods.dk

TM-241A RX/TX mods The TM-421 a is capable of transmitting from 136 to 174 MHz when the following modification is performed

IV3GFN modification and restore of an HeathkitSB220

TenTec 1208CY 10/50 MHz Transverter modification by DF9CY

ZS6YI modifications for the Icom IC7000

Collection of radio mods for Kenwood TS-870

Heathkit SB-220 Amplifier modification by KE5YA

Kenwood TS-450S/TS-690S MARS modification video

FT-817 Radio Modifications, Improving the FT-817 Noise Blanker, increasing output power, using rechargeable cells, epanding frequency range

Modification of the Bill Petlowany, K6NO antenna by N0LX

Modifications and improveents for the realistic DX-100L HF receiver by ON6MU

Article on the Dentron MT-3000A antenna tuner and some good modifications by W1AN

radiomods.co.nz modifications for the Kenwood TS-450

Heathkit SB 220 mods, replacing the Zener ZD1, replacing the plate-voltage voltage divider, adding a keying circuit for solid state transceivers

Mods for Icom 756 Series including eSSB Mid-Fi Mods for Receiver and Transmitter

Kenwood TH-D7a TX band modification

Modifications for the Kenwood TS-870S

The practice of converting computer server power supplies to make a very high quality high power supply at low cost is attractive. It doesn't normally require any modification to the supply but the hard part is figuring out how to trick them into turning on.

Diamond W8010 Multiband Dipole Modifications

Throughput improvement for the FT726R - Tapr PSK modem

Extending frequency to FT-290R for transverter use

YAESU FT-1000MP Mark V ESSB Modifications pdf file

Modifications to the Tigertronics Signalink USB sound card

A custom modification RC-D710 GPS-INSIDE mod.

9600 Baud modification on the Kenwood TM441 by ON6MU

How to enable a full TX coverage on the Yaesu FTDX101D the european version.

Collection of Kenwood TL-922 linear amplifier modifications

A collection of modifications and improvements to the Ameritron ALS-600 ham radio RF power amplifier

Kenwood TS 990S, Military Auxiliary Radio System modification

This kind of antenna has grown in popularity over the last years because it gives you a decent performance and triband capabilities. But its 50 MHz design is far from optimal. Here you can learn how to improve its 50 MHz performance in a very easy way.

North West CB Radio is a page with radio modifications’s, Local Portland’s Traffic info, Trucker things like CB slang, DX info and a forum. Also we host The Saturday Night Stomp Fest in the Portland area. Results are posted weekly.

An illustrated modification for the Icom IC-R20 receiver to locate and use the unfiltered audio.

Kenwood TS-2000 Transmit / Receiver eSSB Modifications by N3GX

CW and SSB INRAD narrow filters modification

A modification to improve quality of built-in FT-817 Noise Blanker

Adding 17 meter band to Mosley TA-33M yagi antenna

General modifications applicable to any Elecraft K2

Modification leaves nearly all of the existing Omni agc circuitry intact, simply add an audio detector which modifies the delay characteristics of the original system by G3IXQ

Modification to solve key clicks on FT 1000 MP

Some modifications for the Tigertronics Signalink USB sound card radio interface

A forum post at WZ5Q with modifications of Kenwood TS-2000 audio fratures