long prairie mn

160 meter linear loaded Inverted L antenna - The total length of the inverted L is 240 feet, which is 7/16th of a wave length long. It has a 92 foot horizontal linear load section 1 foot above ground that terminates into a home-brewed parallel network tuner by KN4LF

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.

Coaxial cable dipole for 80m - Here are some simple antennas you can build along with calculators to help you get the right length.

Folding the Dipole - Invented by Heinrich Hertz in around 1886, the half wave dipole is still one of the most simple and practical of antennas and still very much in use today. It consists of a half wavelength long centre fed conductor

CobWeb antenna construction - A 5 band omni directional antenna original design by g3tpw. Works on 10,12,15,17,20,2,6 m & 70cms.

QRP Antenna 80-40-20-15 End Fed Antenna - A long wire antenna that will load up on 80, 40, 20 & 15 meters without an antenna tuner and without balun coils

Importance of noise reduction in wires antennas - An old post by John Doty about effects of noise in longwire antenna.

FBK portable mini tuner - Tunes symmetric/coax/longwire antenna's between 1.8-50MHz

CO2KK Wire antenna for 50 Mhz - 6m (50Mhz) Long wire antenna There is another form of long wire antenna which provides uni-directional coverage and is easy to build. Description by Arnie Coro CO2KK

The DX Podcast - A podcast devoted to long-distance radio reception on the AM broadcast band. AM, or Medium Wave (MW), signals can travel thousands of miles.

TW Antennas - Portable multiband HF antennas. The Traveler provides 5 band, omni-directional communications in an easy-to-assemble package that requires no radial ground system or towers

Long Wave Radio - The World of LF, by G3YXM reference site for longwave operations. Introduction to operating on 136 and 501 Khz

Build a 136 kHx TX - Two versions of a 350 and 900 W output TX for longwave by G3YXM

Olivia, the Magic Digital Mode - Olivia MFSK digital communications are becoming popular in amateur radio because Olivia is one of the most robust methods of text keyboarding, that can perform superbly for long distance communications. Olivia frequencies, format and software

Long Range Wi-Fi - Long range Wi-Fi antennas you can build. Helicals, parabolics, and biquads discussed. How to add external antennas to WUSB54GC and F5D7050 usb wireless adapters for long range connections.

FT-817 QST review - Yaesu FT-817 and MFJ-616 speech intelligibility enhancer product review & short takes columns from QST Magazine

Shortwave Converter - This is a simple circuit that when placed near an ordinary AM broadcast radio will allow you to receive international shortwave broadcasts in the 5-6 MHz band

DL6WU Long boom Yagi design tools - This is an Excel spreadsheet template to design DL6WU Yagi antennas

Beam DX - BEAM_DX is a free software for radioamateurs or radio listeners usage. It allows to point a directionnal antenna towards an azimuth, a locator, an international prefix or any other geographical position on earth predefined by its latitude and its longitude by F1ORL

IBP - Beacon Monitor - Linux program that helps one with monitoring the beacons of the International Beacon Project, by continuously showing which beacon is transmitting on which frequency, along with the distance and antenna directions by PA3FWM

SPLAT! for Windows - This free software is useful for visualizing terrain and performing Longley-Rice path loss and coverage prediction using the Irregular Terrain Model. A Windows port of the Linux-based SPLAT by John Magliacane.

Omni-Rig - A COM component for transceiver/receiver CAT control. Not a complete program, but rather a component tool that allow software developers to connect their program to a supported transceiver.

NorCal 20 Modifications - by Larry East, W1HUE June 1999

A simple SWR Meter - This article describes a simple QRP SWR meter built using readily available parts.

HRIS2 Priority listing - This program can be used for statistics of sending QSL. Also it is possible to use her as the help data on DX-ing (DX VIA, ADDRESS MNG, IOTA-ped.) The information is brought in base delivery of the program on " DX via " and " Address QSL mng " from bulletins 425 (with 205 on 858) by US7IB