cobra modifications

W4JOH Cobra Antenna - The original Cobra antenna, is a multiband 160 or 80 to 10 meter, designed by W4JOH is built using standard insulated wire of about 14 gauge and fed with 450 ohm ladder line down to the shack into a tuner.

North West CB Radio - 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.

KD4MZM Beacon system - The kd4mzm ham radio beacon system running a Cobra 148 GTL 40 channel AM/SSB unit modified to the 10 meter band

Intruder Amplifiers - Poewer amplifiers for 10m band. Also dealer for Galaxy, Connex, Magnum, Cobra, Browning, and others

6m technical docuemnts - A collection of scanned diagrams and designs, documents and modifications for 50 Mhz ham radio equipment

Icom IC-746 mods - Schematics, modifications and manuals for ICOM IC-746

Low cost frequency stabilisation - 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.

Icom IC-746 modifications - Collection of Icom IC-746 mods

Modifications for the Kenwood TS-850 - Another good collection of TS-850 modifications

Two Kenwood TS850 modifications - Here are two simple modifications / repairs for the Kenwood TS850 HF transceiver, dual receiver mod, and battery pack replacement

FT-1000D mic. modifications - A collection of mods for the yaesu FT-1000D

Modifications for the Yaesu FT-847 - Some interesting mods for the 847

Yaesu FT 857 mods and manuals  ^pop - Yaesu FT-857 modifications, schematics and manuals

Yaesu FT-857D modifications and manuals  ^pop - Modifications schematics and manuals for the Yaesu FT-857D

Yaesu FT 897 mods  ^pop - Modifications, schematics, programming interfaces and manuals for the Yaesu FT-897

FT-897D Modification sheet - Lot's of FT 897 modifications in a single PDF file

Kustom CB & Stereo - CB Radios, 10 Meter Radios, Base Station Radios, Amateur Radios, Wilson, Firestik, Monkey Made, Striker Antennas, Cobra, Uniden, Galaxy, Connex, Magnum, Ranger, General Radios in Phoenix, AZ

WZ1V's VHF modifications page - A collection of modifications to the AM6154/55 linear amplifier

Modifications to the Ameritron AL-1200 Amplifier - This page describes two modifications W8WWV made to his AL-1200 amplifier. The mods were obtained from Ameritron, so they are official.

AM-6154 FAA Amplifier circuit conversion - AM-6154 222MHz grid Conversion Information by N0UK

AM6155 / 64 modifications - KF0M's mods for the AM6155 AM6154 RF amplifier

Yaesu FT-1000D HiFi SSB Audio and Mods - Using Hi-Fi Audio with FT-1000. Includes many FT-1000D modifications too by K6JRF

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

Television channel 11 interference. - Solving interference from television channel 11 on 144MHz transverters by Chris Cox, NØUK, G4JEC

Repeaters: radio modification page - Modifications for motorola and ericsson radio repeater