qrp homebrew

QPR and portable antennas articles - This is a collection of articles, generally from QRP-L, about QRP operations and portable antennas

PAC-12 Antenna - mobile multiband  ^pop - Here’s an award-winning, easy-to-homebrew, multi-band portable vertical antenna designed by long-time antenna aficionado James Bennett, KA5DVS. He’s documented the design and construction plans for a portable antenna that can be built with relatively ordinary components

Antenna tips for the beginner - Some rules of thumb for beginners, with a QRP approach, by James R. Duffey KK6MC/5

NorCal Doublet Antenna - A simple antenna that can be erected very fast, only need one center support, and do not take up much storage room. Works from 40 to 10 meters band

Crappie Antenna - A NorCal Project A Crappie, not crappy, portable antenna

PA-11019 Home made stuff Blog - Homemade hamstuf, mostly homebrew antennas in Dutch

UR-QRP Club - Official homepage of the Ukrainian radio amateur UR-QRP Club

K8ZT's Ham Radio Resources - K8ZT's Extensive Ham Radio Resources about QRP, Vanity Callsigns, Software, Maps, Kent State, Shack Design, Argonaut, Sommer, Log Analysis

What is QRP - To those new to the hobby of Amateur Radio, hearing the term QRP often raises questions: What is QRP? Why do some hams choose to operate QRP? How can I operate QRP? These are good questions, and all are worth asking. This article will attempt to answer these questions. by William Eric McFadden

W2LJ's QRP Amateur Radio - Dedicated to QRP, Morse Code and operating in the great outdoors, this pages contains a description of a CW QRP portable set, also some stuff on the Buddipole and PAC-12 antenna systems.

QRP Station in a Bag - QRP Station in a Bag is a complete QRP station in an old laptop PC carrying case (photo). It is a true "Work in Progress" in that wd8rif is constantly changing the contents of the bag as learn what works and what doesn't.

NAQCC Introduction - North American QRP CW Club promoting QRP and CW operation on the ham bands

A low power 3.5MHz ARDF transmitter - This low power transmitter is developed for ARDF exercising purposes but of course can be used as super QRP transmitter either. With 1 or 2 meter wire as antenna and a ARDF receiver with ferrite-rod antenna the range is about 100m but with better antennas and a 'real' receiver the range is probably much larger.

FT-817 Accessories - Low (or zero) Cost Accessories for the FT-817 Portable QRP MF/HF/VHF/UHF Transceiver

K8ZT's FT 817 resources - Ham radio resources about qrp, dx, logging, contesting, includes lots of links to FT817 resources on the web

N2APB Yaesu FT-817 review - Yaesu's FT817 and Super Antennas MP-1 review by George Heron, N2APB

Køemt's FT-817 QRP portable station - Transporting Yaesu FT-817 along with antennas and other accessories.

DDS VFO Controller - Control the NJQRP DDS Daughtercard from your PC. The DDS Controller has eight user programmable configurations. Each of the eight configurations have twenty memory cells for saving and recalling frequencies

The DX 200 amplifier - Interesting homebrew project by G4BXM, Roger

Antenna elevator system for amateur satellites  ^pop - Smart homebrew antenna-ELEVATOR system with linear actuator. The actuator is a cheap and heavy tool with high enough torque, ideal for elevation systems, but in practice it needs quite an effort in order to operate correctly in your homebrew antenna system. This page inform you of the actuator's secrets.

Build a logging frequency counter - Pictures, photos, source code and plans to build a logging frequency counter

The manhatten style nb6m 10 - An Homebrew 10 Meter transceiver

Tuna Tin - A resurrection of some homebrew projects from our vintage years and the NorCal-sponsored project series in tribute to Doug DeMaw, W1FB

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

Rainbow Antenna Analyzer - A small and inexpensive measurement device designed to determine antenna performance across the amateur bands through use of automatically collected SWR readings