quagi feed

Vertical antenna for 20-15-10 m  ^pop - This is a vertical multiband antenna made up of several aerial elements lambda/4 length, feeded with just a coaxial cable in French.

The Cycloid Collinear, a CP Omni - This paper describes a wide band, high gain, multi-element cp omni with a single 50 ohm feedpoint with instructions for building a 2 and half element cycloid collinear for 2 meters.

G7CNF dual band yagi for 4 and 6 m - A 5 Element dual band, single feed solution for 4m and 6m built by Nigel Coleman.

Small Transmitting Loop Antenna Calculator Priority listing - A free online calculator for making all of the calculations required to design and build small transmitting loop antennas, also known as magnetic loops by 66pacific.com

4:1 balun for 160 to 10 meters  ^pop - Articke By Clay Wynn

The HB9CV antenna - Basics and principles of the HB9CV antenna by Rudolf Baumgartner. This antenna join electric advantages of the two elements direct feeded aerials with the mechanical advantages of the Yagi antennas, in French.

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.

The versatile end-fed wire - Benefits and limitations of an end feed antennas. By Peter Parker VK3YE - first appeared in Amateur Radio, June 1998

Antenna Feeders - Different types of feeders, SWR and matching

The Clemens Match by W9ERN - Balanced feed with coaxial line by John F. Clemens W9ERN

Balanced Self Matching Feed Line System - KE4UYP designed this Balanced Self Matching Feed Line System for people who want the very best feed line they can have on a Monobanded antenna

Some plain facts about multiband vertical antennas - There is considerable confusion as to what exactly a multiband vertical antenna is. The confusion concerns the method of feed, how much mismatch one can expect, how many radials are required, how the particular antenna is built for multiband use, plus some other points.

All Band inverted L antenna - The inverted-L, using parallel feedline and an ATU, is an antenna with excellent potential as an all-band. Antennex article by W4RNL

The VHF Quagi - There have been many half-hearted attempts to combine a Yagi and a Quad. Most have produced questionable results. Well, here are the "true" facts, the real dope, the hot scoop. K6YNB in QST April 1977

Scan Merrimack Valley - This site contains the Scan Merrimack Valley Fire Feed which has live audio from Area Fire Departments in the Merrimack River Valley, Massachusetts.

Norfolk police radio feed - Norfolk police department live radio by oceanviewcommunications HRConnect

Dauphin co. PA live feed - Dauphin County Pennsylvania (PA) PD Fire Scanner

Butte County California Public Safety Scanner - Live scanner feed from Butte County, paradise/upper ridge, chico , california public safety

Boston Police Radio Scanner - Broadcastify listen live audio feed from Boston Radio Police Fire and EMS

Lycoming County, PA Scanner Feed - County police dispatch, Williamsport police dispatch

Nevada Reno Live Police Scanner Stream - Live streaming police scanner feed from Reno Nevada USA

Setting up a live broadcast on the internet - This tutorial will teach you what you need to know so you can broadcast your live radio feed over the Internet yourself.

Maxdao Technologies - Maxdao: offer you 7/16, N coaxial connectors, jumper cables, feeder clamps and grouding kits, surge arresters & brackets, wall entries and microwave components used in base tower, power dividers, couplers

Dallas-Fort Worth Metroplex Scanning - A scanner resource for the Dallas-Fort Worth Metroplex including trunk information and a live scanner feed.

HamInfoBar - Ham Radio & SWL Toolbar Priority listing - Free toolbar for radio hams & SWLs: Search QRZ.com, HamCall, FindU.com, Google, Wikipedia, eBay and other useful engines. Check the latest DX spots. Get links to QSL, satellite, forums, propagation, broadcast radio, maps etc. RSS feeds including Amsat & the latest eBay ham specials. Listen to ARRL, RSGB and WIA news & other radio stations. Plus lots of other features!