periodic

EWE rx antenna for 80 meters - The antenna is an aperiodic inverted U which is operated against ground.. ewe antenna for 80 meters by PA0RCT

Log Periodic Antenna Calculator  ^updated - Online calculator for Logarithmic Periodic Dipole Antenna LPDA

Baluns on Log Periodic Antennas - Some antenna manufacturers place baluns at the incorrect location in LPDA arrays, or tell you to route the cable incorrectly. This can cause substantial RFI and all sorts of weird problems like RF into house wiring.

Designing Log Periodic Antennas - By Dr. Glen Dash, Ampyx LLC

A Pyramidal Antenna for 14-30 MHz - This article is about a type of log periodic antenna that surprisingly little has been written about

Designing Log Periodic Antennas - Lightweight and precise, the log periodic has become a favorite among EMC engineers By Glen Dash, Ampyx LLC

HF Log Periodic antenna - 10 to 20 meters band log-periodic antenna project by VA2PHI

VHF UHF Log Periodic Antenna - A detailed drawing of a VHF UHF Log periodic antenna by VA2PHI

About Log Periodic Antennas - Overview, summary, tutorial about the log periodic antenna or aerial used for wideband RF antenna applications

Log Periodic vs Yagi Antenna - Article on Yagi and Log periodic antennas by Tom, K1JJ

Elk Antennas - Elk Antennas to give the Ham log periodic antennas with the best gain, directivity, and front to back ratio possible for the size and price.

The PropNET Project - PropNET is an ad-hoc 2-way (and potentially, "more-way") RF-based digital communication network whose activity is reported on the Internet. As participating stations periodically ID and exchange data, they report their activity to an Internet data-collection hub for presentation through this web site.

X7 Cushcraft at E73m - Cushcraft X7 antenna design is based on Log periodic-Yagi and has real advantage over conventional multiband trapped tribanders.