cell phones

Common mode chokes - Excellent article on limiting noise using chockes by Chuck Counselman, W1HIS

Assembly of the Lightningbolt Quad - One of the best antenna values on the market is the LightningBolt Quad. At about half the cost of a tri-band yagi, you get five band coverage with a single coax feedline and excellent performance from a light, low wind load antenna.

Le site IR pour les Francophones - Site d'informations IR pour les Francophones.

ARIDX by UA1AAF - At the moment the most used program is UA1AAF. It is an excellent program written by Boris, UA1AAF, to handle ARI International DX Contest. It can simulate K1EA or N6TR workings; it will be possible to connect the RTX to the computer using a standard interface in such a way as to transmit directly in CW from the keyboard; most of the controls are like K1EA's CT and N6TR's TR ; on line help provides almost all the information necessary for using the program. Is possible to insert QSO after the contest. An appropriate utility in included for conversion in ADIF format. The program is very small and therefore works without any problems on any IBM compatible computer with DOS 3.3 and over or Windows 95/98.

Amateur Radio Band Plan Layout  ^{updated  pop} - Excellent free downloadable band plans layouts ready to print in pdf format by C.Gustave Sandberg W1CGS

BHI Ltd - Noise eliminating products. Remove unwanted background noise and interference leaving only the speech. Clear communications, listen stress free. Dsp noise cancellation solutions.

MicroSignals - MicroSignals produces a line of RF and IF signal processing components that offer high performance at an exceptional value. To achieve this MicroSignals began with an engineering team that possessed an excellent background in RF Transformer and Balun design.

Shure Incorporated - Microphones and Audio Electronics - Shure incorporated, microphones and audio electronics

Behringer - High quality audio systems

W&W Batteries manufacturer - U.s.a. manufacturer of replacement radio batteries, battery packs, inserts, chargers, analyzers, and battery eliminators for the public safety, land mobile, amateur radio and cellular phone industry.

Telecom Product Profiles - Telecom Product Profiles is a manufacturers' rep firm specializing in factory direct Nello Towers, monopoles, antenna mounts, shelters, and more. Factory direct Cellular, PCS, and Wireless Broadband equipment such as antennas, radios, and more. Installation, financing, and leasing options available.

How Radio Works - Excellent slides explaining radio and radiowaves generation basics

W6AMT Grid Maps - Maidenhead grid maps for VHF/UHF, These maps make excellent wallpaper for your contest setup.

MobileMorse - MobileMorse is a program written in java that is supposed to help you learn morse code. It is supposed to run on henheld devices like mobile phones with java.

Batterytech - Buy nimh, ncicad, and li-ion batteries, chargers, and analyzers for laptops, pdas, digital cameras, cellular phones, nextel radios, hand held scanners, and eliminators

Francoelettronica - Cb LPR microphones and Falkon products

Grandicelli - Hf-vhf-uhf-shf-digital-monitoring-site,wavecom Decoder and tools, winradio and DRM decoders, WD3000 Direction Finding System , radioraft software. PFSL3000 Integrated HF-VHF-UHF signal monitorin

Rocket Radio UK - UK based suppliers of CB, amateur radio equipment and DAB digital radios. Other products include antennas, base and handheld scanners, and accessories including microphones, books.

Radios 4 you - Radios 4 you inc. where quality radios and other electronic products are blended with fair prices to produce excellent value for you. radios specializes in shortwave radios, solar rechargeable radios, am radios, and fm radios for sale.

Microphones clip art - coolclips.com microphones clip arts available for personal use

Just Learn Morse Code Priority listing - An excellent tool that makes it easy to learn and practice Morse code.

ID Wizard - ID Wizard is an ID timer with system clock setting and miscellaneous tools. Tools includes Notes, a full-featured “text” editor, Calculator, Calendar for sun/moon times, Time Zone Browser Conversion Utility Area, Distance, Mass, Power, Temperature, Time and Volume, Trace Route, Ping and WhoIs

Using ferrite for interference suppression - Excellent guide to using ferrite cores for interference suppression. Understanding and Solving RF Interference and Noise Problems by Jim Brown K9YC Audio Systems Group, Inc. PDF File

CB Mic Wiring  ^pop - Excellent resource for microphones wiring including old make of cb radios. Microphone wiring can be a real pain if you arent sure how to work out which wire goes where. On this page i will try to explain the basics and also give you the wiring positions for most CB radio's

Microphone connections by G4WPW - Roy G4WPW has collected one of the most complete and interesting pages for microphone connections schemas and wiring. Includes Kenwood microphones schematics as well as Yaesu Icom Alinco Adonis Drake Heil JRC MFJ schematics