portland ore

Simple active antenna - This circuit shows an active antenna that can be used for AM, FM, and shortwave

Why active antennas aren't perfect - There have been various comments here regarding the effectiveness of active antennas

K9AY loop - K9AY is a loop developed in the early 1990's by American radio amateur Gary Breed

4 elements 50MHz Quagi  ^pop - Total Boom Lenght is 3 m.

The Carpet Loop - The Carpet Loop II is an inexpensive, easily built, high performance antenna that can work in almost all apartments.

Practical indoor antennas - Some practical indoor antennas that can be built by anyone

The Bird Feeder Antenna - A hidden antenna must be just that: hidden. So don't install an antenna, but something else. Lika a bird feeder.

Limited space antennas - more limited space antennas

W7CQ 10GHz Beacon - CN83jx - Located 12 Miles South West of Eugene, Oregon USA

Oregon Tualatin Valley Amateur Radio Club - Special services club offering monthly meetings, training classes and general advancement of ham radio in the Northwest.

Ham Radio Forum - Ham Radio community with numerous discussions including radio equipment, modifications, dx, and more.

RK3AF Aurora pages - VHF, ms, aurora, es, photos, audio, link, soft and more.

IonoProbe - Monitors the space weather parameters essential for HF radio, including SSN/SFI, Ap/Kp, X-ray/Proton flux, and Auroral activity. IonoProbe downloads near-real time satellite and ground station data, stores information for future use and displays it in a user-friendly way.

Capitol Hill Monitors - Frequencies, links for scanners, email lists, online audio and more for Maryland, DC, and parts of Delaware and Virginia

Shipping Cases - Wide selection of quality, affordable shipping cases including stock and custom, heavy duty, pelican protector, removable top, wheeled, ATA, and more!

QSLfactory.com - inkjet and printed custom colour QSLs

DX Activities of ONL5183 - Whith more than 20 years of ham practicen SWL Thierry LOMBRY, alias ONL5183, has written several technical pages about ham activities, including propagation, radio perturbations, radioastronomy, DXing, QSLing, ham-spirit, review of material and more. This very interesting website is completed by a large French section devoted to amateur astronomy illustrated with vivid colors pictures.

SWL Call Search - Search-Find-View-Download SWL/Ham Call Signs world-wide. Create-Send-Receive eQSL cards on-line - free, including bureau. Much more, ALL especially for the discriminating SWL.

eSoftAnywhere DSP & more - Ham radio amateur radio, short wave, CB, DSP software, by VE1EXE (RIP) DSP Software eSoftAnywhere DSP & more Memorial free version.

SAT_EXPLORER - SAT_EXPLORER is a free software for satellite users. It provides very quickly and continuously visibility forcasts as a waiting delay ( satellite will be here IN ...)and a visibility duration (satellite will be visible FOR ...). Ten (and even more) satellites can be monitored simultaneously.

Shortwave Log  ^updated - A logging and radio control program. Supports HFCC, ILGRadio, FCC HF, FCC AM, PrimeTime Shortwave, and more!

HAMIC - The Ham Intelligent Calculator - HAMIC, is a program designed to simplify a number of calculations commonly used by HAMs. It is designed for the HAM radio hobbyist, but may be useful to others as well. HAMIC has a simple to use, but powerful graphical interface that allows solving simple circuits such as resistors in series or parallel, or more complex circuits such as L networks or T networks. As well, other calculations such as SWR and reactance conversions are supported. Windows shareware.

Rogerbirds HR 2510 mods - Rogerbird's Radio Modification Information, HR2510 or Lincoln Frequency Conversion Instructions, Mic Gain Modification, and more

Make you drill more flexible - A useful tool to make PCB

A 20 Ampere / 13,8V power supply  ^pop - A 20 ampere and more 13,8V power supply for RTX