tuscaloosa al.

A Battle creek special by PI4CC - On this page we will show you 2 versions of the Battle Creek Special.

VE6FI 160 Meter Antenna - This is a 160 meter antenna which is a shunt fed vertical. A 72 foot Trylon tower with a 6 element 15 meter mono bander mounted on the top is used as the radiating element.

160 Meter Vertical - This is a 90 foot tall top loaded vertical for 160 meters. It is constructed from aluminum irrigation tubing and has four sets of four guys each by w7iuv

The flower pot antenna - A portable dual-band antenna working principally on 10 meters but also close to the 30 meter band. It’s compact, light, economical and doesn’t need any radial.

Dipole and Inverted V Antenna Calculator - Enter the resonant frequency for the dipole/vee antenna calculation

Feeding an End-Fed Antenna  ^pop - End-Fed antennas are NOT balanced systems; but neither are verticals, ground planes, discones, windoms, zepps, Marconis, half-slopers, et al. Additionally, the low-impedance antenna port of your transmitter/receiver is not balanced.

Home made GPS antennas - A Home made Helical antenna for a GPS

The normal-mode helix antenna  ^updated - A helix will work in the normal mode when the diameter and pitch of the helix is less than 0.1 Lambda

Radial System Design - Are the lengths of antenna radials related to the height of a vertical? By N6LF

VLF-LF and the Loop Aerial - The article discusses the theory of loop aerials for receiving and how they reduce the level of local noise by Lloyd Butler VK5BR

Backyard 7 Mhz Vertical - A vertical antenna for 40 meters band by PA5MW

Cantenna Aus-Style - This is a brief guide to a cantenna , locating the materials not available easily in australia

OH2KI Jorma - Home page of an active contester

Wirelessness - Commentary, news, and analysis on Amateur Radio and the wireless industry in general.

Catalina Amateur Repeater Association - Covering most of So. Cal. from 26 miles off the coast! 2m, 220, & 900.

W8AL The Canton Amateur Radio Club - Welcome to W8AL.ORG, home of the Canton Amateur Radio Club, located in Canton, Ohio, USA

30 meters digital group - Group dedicated to 30 Meter digital activity on this unique HF band! All licensed Hams and SWLs anywhere are welcome to join in. Include live PSK 31 receiver, dx spots and event calendar

SolarVolt Power - Solar power products for the true environmentalist Solar energy systems, design engineering Residential and Commercial

K6XX CW Indicator Kit - The purpose of this circuit is to light a LED in your radio when you tune to within +- 20hz of a cw signal. This makes for easy tuning of a cw signal by eye rather than by ear

Duplexers for Ham Radio repeaters - We produce duplex filters and antennas for 2m,70 cm and 23 cm repeaters.

Ham Radio Repeater Maps - Amateur radio ham repeaters shown in Google Maps

Is HF propagation reciprocal - Some test circuits using the ACE-HF System Simulation & Visualization software, about reciprocal propagation on HF bands by NW7US

AutoRec - AutoRec is windows freeware time based automatic recorder - player for radio broadcast. Auto Recorder will record or play wav audio files, and execute batch or other executable application programs at scheduled times. The primary use for Auto Recorder is automatic, unattended recording and playback of network or other satellite-delivered radio station program material.

ExpressPCB - Free PCB software is a snap to learn and use. For the first time, designing circuit boards is simple for the beginner and efficient for the professional.

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.