operating modes

Single support gain antennas for 80-160 meters - On 80 and 160 meters an antenna with modest gain and good front-to-back (F/B) ratio, along with a steerable pattern, can be very effective for contesting.

A Horizontal loop for 80 meter dx - This 80-meter quad loop system requires only supports of modest height—a better single-element antenna may be hard to find by VE2CV

Design a J-pole Antenna - Enter the operating frequency in MHz to calculate the dimensions for your J-pole.

PSK 31 Contest Calendar - PSK31 and other digital modes contest calendar mantained at the podxs 070 club

The Considerate Opertator's Frequency Guide - An ARRL guide to where on the HF bands various modes and activities are generally found.

W6WGZ Madera County Amateur Radio Club - The Madera County Amateur Radio Club was formed for public service, education, scientific and recreational purposes of amateur radio and to elevate the standards of operating practices and ethics in amateur radio communications. San Joacquin Valley California

N6FQ Fallbrook Amateur Radio Club - It is our purpose to further the exchange of information and cooperation between members, to promote radio knowledge, fraternalism and individual operating efficiency

KA6NCR Relay Repeater Club - Welcome to the relay repeater club. we are a 2 meter/vhf amateur (ham) radio club in arcadia, california, operating on the ka6ncr repeater. we are looking for new members.

N1KT-Housatonc Amateur Radio Club - The Housatonic Amateur Radio Club was formed in 1995 to foster the development of Amateur Radio and advanced Ham Radio operating techniques, both through theory and on the air practice.

N4EH Lake Monroe Amateur Radio Society - The Lake Monroe Amateur Radio Society serves Seminole County and Central Florida, operating two 2 meter repeaters on 147.285 +600 and on 146.805 -600

The South Jersey Radio Association (SJRA( - The oldest continuously operating amateur radio club in the United States

N2OB Old Barney Amateur Radio Club - OBARC is an active organization participating in field day, various operating events, special events and contests

Long Island Amateur Radio Club - 575-Long Island Amateur Radio Simplex Club, Operating locally on 147.575 FM Simplex from Grid Square FN-30

W2RDX The Rochester DX Association - Founded in 1947 in Rochester, NY, the Rochester DX Association is an amateur radio organization dedicated to the art and science of DX operating and contesting.

European PSK Club - The European PSK Club, or EPC for short, is an informal club of amateur radio operators dedicated to maintaining high levels of amateur radio communications on PSK modes. Its purpose is to promote activity and good operating practice on the PSK modes on all amateur bands

Digital mode club (DMC) - Digital Modes Club(DMC) is for all licensed HAM operators and SWL's who likes the digital modes. It's free lifetime membership.

Digital QSO Club - The Digital QSO Amateur Radio Club DQSO is an informal club of amateur radio operators active use digital modes on all bands. Membership is free for any licensed radio amateurs.

Digi Mode Sound Files - Mp3 and wav files linked from this page are intended to help your understanding of what the different digital modes sound like

W7DIN Desert Intertie Network - privately owned network of OPEN, Linked Repeaters operating in the Yuma area under the Club Callsign of W7DIN.

K6MVR MVRC Radio Club - The Mt.Vaca Radio Club (Call sign K6MVR ) owns and operates repeater systems in and around Sacramento, California. The systems provide reliable coverage for mobile stations throughout the Sacramento Valley region and beyond to Modesto, Chico, the Sierras, and parts of the Bay Area.

PSK31 Overview - Brief overview of PSK31 and basic operating techniques.

PacketRadio primer - The Packet Radio beginners guide to packet radio operating by Buck Rogers K4ABT

ND5S6 160 meters operations - Antennas and operating note on 160 meters

Fldigi - Freeware Digital modem program for Linux, Free-BSD, OS X, Windows XP, W2K, and Vista. Support several modes and is fully multi platform application by W1HKJ

Mac to transceiver interfaces - This article illustrate different ways to interconnect a macintosh with a transceiver in order to remote control radios and operate digital modes by Kok Chen, W7AY