del city

160-meters antenna problems and solutions - Bill Orr W6SAI ham radio techniques. Improving ground connection, computer analysis of the antenna, modelling sample antennas pdf file

A Potpourri of 160-Meter Verticals - A potpourri of 160-Meter vertical antennas and modeling issues, inverted-L, 3-element parasitic array, 1/4-wavelength monopole

ZR6KMD 2M Beam Antenna - This design was adapted from an article in the ARRL Handbook and built with simplicity and duplicity in mind. This antenna is a vast improvement over a standard dipole with a forward gain of around 8db with a front to back ratio of 10db.

75 Meter Delta Loop Beam - A delta loop project for 75 meers band

Hex Beam by K4KIO - This site provides guidelines to build a G3TXQ broad band hex beam RF antenna for the 5 ham radio bands, 20, 17, 15, 12 and 10 meters. The G3TXQ hex beam is a new development and actually easier to build than the classic hexbeam.

Putting a Balun and a Tuner Together - Two wire transmission line as a three terminal Device , The W2DU and W7EL models of a choke balun, The effectiveness of a balun. Article by Kevin Schmidt, W9CF

Chuck's Antique Radio Site - Specializing in Zenith Console and Table model Radios of the 30's and 40's

The K9CU Contest Club - We are based in Champaign-Urbana, Illinois, and are affiliated with the Twin City Amateur Radio Club.

The Great Lakes DX / Contest Club - The Great Lakes DX / Contest Club is located in the central part of Michigan near the city of Lansing which is the state capitol. The club's main purpose is to support and encourage the DX aspect of the amateur radio hobby.

FG Guadeloupe - DX shack has built in Basse-Terre Guadeloupe French West Indies.

J6 St.Lucia DX Shack - St.Lucia DX Shack was built in the capital city of Castries, St.Lucia, Windward West Indies.

Saratoga Amateur Radio Association - SARA provides emergency communications for the City of Saratoga as well as for community events.

YO4KRB - Radio club - Radioclubul Radu Bratu - YO4KRB Is the first private Ham Radio Club in Constanta City, Romania KN44HE

TCARES - TCARES Inc. An Educational, Charitable Non-Profit Corporation.

W6SF Stockton Delta Amateur Radio Club

N6NA River City ARCS - River City Amateur Radio Communications Society

W6MLP Milpitas Amateur Radio and Electronics Society - The Milpitas Amateur Radio and Electronics Society was formed in 2000 and incorporated in 2002 The club is independent from but supports two volunteer emergency communications organizations: Milpitas Amateur Radio Emergency Services (ARES) and the Milpitas City Radio Amateur Civil Emergency Services (RACES) groups.

W6HY Del Norte Amateur Radio Club - Crescent city CA

Tricity ARC in SE Connecticut - The Tri-City ARC was formed by amateurs in the New London, Norwich and Westerly areas (hence Tri-City) desirous of forming an association of local amateurs with the purpose of furthering better cooperation among amateurs

W4RYZ Panama City Amateur Radio Club - Founded in the 1950s, the Panama City Amateur Radio Club is a warm, relaxing haven for Bay County amateur radio operators to meet, chat, and eyeball folk they talk to on simplex and local repeaters during the week.

WA1NPO Whitman Amateur Radio Club - Located about 25 miles south of Boston, MA, near the City of Brockton.

TS-850 mods - my mods.dk

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.

Linrad - Multiplatoform freeware DSP software. Linrad has its origin in software that was developed for 144 MHz EME CW but it is quite general and should be seen more like a kit for designing a receiver that a receiver for some particular usage. It can be used as a CW receiver with a small time delay and a fast waterfall graph. A dsp for conventional receiver to imporve signals readability, a spectrum analyzer.

Rotator Brake Delay and Protection Circuit - A rotator modification by W4ZT