Radio Rampage Technical Pages
Technical Pages
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Technical
16 Articles
Rig Review - New Icom UHF CB

Radio Rampage gets a hands-on look at the upcoming new Icom UHF CB, the IC-440
Icom IC-400 Schematics

The schematic diagrams of the Icom IC-400PRO.
Deviation Meter

Build a deviation meter for your radio. Indicates the audio deviation of any signal you receive.

(NOT YET FINISHED)
GME TX-4400 Schematics

The schematic diagrams of the GME TX-4400.
GME TX-4200 Schematic

The schematic diagram of the GME TX-4200.
Home Made Desk Microphone

Build an amplified desk microphone (power mic). Dead easy and cheap as chips.
Field Strength Meters

Two field strength meters to build.
Dipole Antenna

Build a simple dipole antenna. A good omni-directional antenna, and a great reference antenna for antenna builders.
100 Watt UHF Amplifier

A project for the advanced constructor. A 100 Watt UHF linear amplifier. Deceptively simple, and CHEAP!
100 Watts out for 5 Watts in.
Icom IC-41S Extended Range

Instructions on how to extend the TX range of your Icom IC-41S handheld. Standard IC-41S operates from 450 MHz to 480 Mhz, this project extends the upper limit to 520 MHz.
Icom IC-40S Extended Range

Instructions on how to extend the RX / TX range of your Icom IC-40S handheld. Standard IC-40S operates from 450 MHz to 480 Mhz, this project extends the upper limit to as much as 500 MHz.
Yagis

A guide to yagis. This is not complete, I am constantly working on this as I do the research.
Computer PSU

Build a regulated 13.8 volt 8 Amp power supply from an old computer power supply.
De-Scrambler

Build a simple speech-inversion type descrambler.
Uniden UH-011 Schematics

The schematic diagrams of the Uniden UH-011
Icom IC400 Signal Strength Meter

Add a signal strength meter to your Icom IC-400PRO.


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