diy power supply

Build An LF Antenna Analyzer - A Portable Low Frequency Antenna Analyzer, For those of us who like to play with antennas on the ham bands, one of the handiest tools to have around the shack is an "antenna analyzer". These gadgets combine a signal generator and standing-wave ratio (SWR) sensor in a small battery-powered unit.

Energy line 2000 - Solar power, biodiesel fuels, wind energy, streaming video, articles, news, and more. Renewable Energy and Emergency Communications by Terry McGleish

WA5ICA web log - The Internet Home of Amateur Radio Station WA5ICA Adventures with low power and a lower budget

A & A Engineering - Smart Battery Chargers, WeatherFAX, Color SSTV,GPS-Based Frequency Standard, Power/SWR Meter, , Digital Frequency Synthesizers

MicroSignals - MicroSignals produces a line of RF and IF signal processing components that offer high performance at an exceptional value. To achieve this MicroSignals began with an engineering team that possessed an excellent background in RF Transformer and Balun design.

W8WWV Icom 706MKIIG simple accessories - Acc1 Breakout Box, Fused Power Cable with Accessory Tap, Microphone Breakout Box, CI-V Interface, Using the Auto Sound System for Receiver Audio

AARS - kenwood ts-2000 and accessories - Austin Amateur Radio Supply page on Kenwood TS-2000 and all accessories

Icom america - IC-V8000 page - IC-V8000 2M Mobile, power when you need it

Fox Delta Amateur Radio Projects & Kits by VU2FD - Amateur Radio Projects & Kits for homebrewers, includes DDS,sound card interface,programmers, hamcom, frequency counter, RF Power Meter, modems and more.

Italtras - Power transformers for electronic, toroidals,three-phases

Alabama radio - Eastern Alabama's dealer of amateur radios and antennas, CB radios and antennas, scanners, radar detectors, power supplies, and other related accessories.

Sierra mods - This is a collection of emails collected over time which indicate how to put some mods into your Sierra transceiver. Most of the mods have to do with improving the power output.

W4ATC QRP Project - Beginners making inexpensive, low-power shortwave transceivers from kits.

QRP 12V Power Pack - A perfect companion for your Elecraft K1 or any other (not power hungry...) QRP rig

New Developments with PLC in Japan - The Japan Amateur Radio League (JARL) is cautiously watching new developments concerning the commercialization of Power Line Communications (PLC), while continuing to carry out joint experiments with a high speed power line communication promoters' alliance to reduce potential interference to radio communications.

Bbc : PLC effects - The effects of power-line telecommunications on broadcast reception:

Broadband over power lines - PLT/PLC/BPL/DPL - it doesn't matter what you call it said one of our readers it has significant technical problems

PLT trials in Ireland - The Irish Powerline internet trials have begun in a Town called Tuam in North Co, Galway.

Amperion Inc BPL tests - Amperion Inc. issued an announcement that it has successfully tested its broadband powerline (BPL) technology over high-voltage, 69,000-volt transmission lines.

Amsat-na government filings - Amendment of Part 15 regarding new requirements and measurement guidelines for Access Broadband over Power Line Systems

Are you ready for BPL - Broadband over power lines (BPL) is a technique for transmission of high speed data (broadband Internet) over powerlines. Access BPL technology injects radio frequency energy into powerlines which were not designed for transmission of radio frequency energy, and leak substantial energy that causes interference to radiocommunications service

BPL FAQs - Frequently asked questions about broadband over powerline (BPL PLT)

NOJCG BPL tutorial - Tutorial about broadband over power line and the new FCC rules restricting how it can be deployed.

Wave report BPL tutorial - Broadband Power Line Tutorial by James Stenger

Broadband over power lines - Compatibility and BPL RF Interference