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Choke Balun Designs - In this designs G8ODE explains different methods to builds a choke balun

Quadrifilar Helix Antennas - The purpose of this page is to provide information and links about Quadrifilar Helix Antennas. It's the best antenna to use for APT satellite reception

Bravo Bravo DX Club - Intern. DX Radio Group has worldwide members, founded 1980 offers lifetime membership

CQ The USA-CA Awards - The United States of America Counties (USA-CA) Award, sponsored by CQ magazine, is issued for confirmed two-way radio contacts with specified numbers of U.S. counties under rules and conditions hereafter stated.

Ham Logs Online - Put your Ham Logs online, compare contest scores, send and receive electronic QSL requests and more. The place to see if you finally worked them!

Delboy's PMR446 Radio - Delboy's PMR446 radio pages and forum. DX, antennas, modifications, etc

Mt. Diablo Amateur Radio Club - MDARC has a membership of over 300 dedicated hams and is one of the largest amateur radio clubs in California.

L.A.R.K. Swapmeet - Swapmeet 1 st. Sunday of each month, rain or shine 7-11:30 AM. PST/PDST. Physical location is Las Positas Collage, 3033 Collier Canyon Road, Livermore, California. Free admission and parking for buyers/lookers. Restrooms & food/refreshments are available. Talk-in: local repeater 147.120 (+) PL100, monitored during swap hours. **Registration for sellers starts around 6 AM. with set-up 7 AM.+ ** This major swap event has been on-going for 10 years with positive results. Run by club volunteers & sponsored by the Livermore Amateur Radio Klub (LARK). Visual diriving map assistance please see event URL http://www.livermoreark.org/swap/swap,html

Al N' Jane Classifieds - Al N' Jane's All Canadian Amateur Radio Swap & Shop

KEPS Equipments for AO40 downlink - Complete receive system, downconverters, dishes, feeds and preamplifiers for AO40 satellite users

WD7S Productions - A collection of kits for control and protection of homebrew linear amplifiers

Amateur Radio Products - BullDog Iambic keyers, memory keyers, beacon boards, interface cables

FT-857 CW key click Mod - FT-857 CW key click up grade Modification

Promotional Products Trophies Executive Gifts - We offer all kind of promotional products such as award plaques, trophies, sports trophies, logo apparel, acrylic awards, acrylic plaques, executive awards.

M.E.B.A. Electronics - Distributor of electronic's, also carry astatic, cherokee, cobra, dosy, firestik, solarcon,CB radios,10 meter radio's, antennas, microphones, power supplies, echo boards, expanders, meters and CB accessories along with Mobile audio/video products.

F.G. Best Communications - CB and Ham Radio Repair, Service, Modifications, Linears, Tweak And Peak, Wattmeter, microphone,kenwood,icom,galaxy,cobra,uniden,upgrades

The Quack Shack CB Shop - CB Radio and Ham Radio outlet. Accessories, amplifiers, mounting brackets, power supplies, GMRS, FRS, scanners, microphones,and more

SuperNEC antenna simulation - Hybrid Method of Moment (MoM) and Geometric Theory of Diffraction (GTD) program. Matlab based GUI interface. Genetic optimizer included. Windows/Linux versions.

Smith chart calculator - linSmith is a Smith Charting program, mainly designed for educational use. It allows defining multiple load impedances (different frequencies), and adding components (discrete components and line sections) in series and parallel. It plots the impedances on the screen, shows the values in table format, and is able to generate publication quality Postscript output.

MacR–1000 - Icom IC–PCR1000 communications receiver remote control for Apple Macintosh computers running MacOsX

Tube Amplifier data and tech info - Source of common model manuals and amateur help on amplifier problems for the amateur bands, Discussion of vacuum tube amplifiers. Technical information and discussion of obselete tube replacement.

Galaxy DX Radios Service Information  ^updated - Service information, modifications, diagrams, manuals and schematics, and technical files on Galaxy DX Radios.

Transistor Specifications - Transistor Specifications, ``RF Power Mosfets ¹ HF VHF transistors

Variable bandwidth cw filter - As the sunspots return and DX propagation conditions to improve, the age old problem with QRM begins to show up on the amateur bands. Thif filter help you on improving reception

Tube Amps forum - Discussion of vacuum tube amplifiers. Technical information and discussion of obselete tube replacement