air core capacitors

Biquad Antenna Construction - This page details the construction of a biquad antenna. The biquad antenna is easy to build, and provides a reliable 11dBi gain, with a fairly wide beamwidth.

Dish 802.11 Wireless Networking Antenna - This antenna modification is for the IEEE 802.11b networking protocol that operates at 2.4 GHz. It can be scaled easily to the 5 GHz frequency used by IEEE 802.11a by simply scaling the dimensions on the feed can and the excitation antenna to 2.4/5 = 48% of the dimensions shown above.

Antique shop - Puerto Rico's house of radio services and sales - San Juan, Puerto Rico First site dedicated to repair sales and restoration of antique radios and phonographs

W9DC IOTA and lighthouse awards - W9dc north america amateur radio checkpoint for iota islands on the air and wlh world lighthouse award applications and award instructions

G3kma, iota manager's website - Iota - islands on the air - is an amateur radio programme run by the rsgb (radio society of great britain) to promote contacts with island stations worldwide on the radio amateur frequency bands.

DK2AB Core blog - Amateurfunk blog

KB2MOB Blog - Pilot of The Airwaves

DX Portal - Google based ham radio search engine. Only trusted, useful web sites for amateur radio. The DXPORTAL search engine built using Google's core search technology, which prioritizes search results based on amateur radio websites.

Remote-Controlled HF Operations - If you can’t get on the air from home, the Internet may provide the answer. By Brad Wyatt, K6WR. Pdf File.

GlobalTuners.com - GlobalTuners provides access to web controlled receivers. Listen to Ham radio, Tune Shortwave radio, Listen to Air traffic control, experience Airband receptio including ACARS and Airports. Tune remotely controlled receivers all over the world with your browser and get live audio.

SWL Audio Clips - mp3 files to download produced by an italian SWL. Includes, broadcast stations, air traffic controls, pirate radios

Kiwa Electronics - Kiwa Electronics is a company that specializes in accessory equipment for the radio enthusiast. Our products include Filter Modules to improve receiver performance, a High Performance Medium Wave Air Core Loop Antenna for improved broadcast band reception, the Pocket Loop Antenna, the Earth Monitor, BCB Rejection Filter and Broadband and SW Preamps. We also offer numerous performance upgrades for popular receivers.

Domino - Domino is the name given by the developers to a family of IFK coded coherent phase single tone MFSK keyed modes, using sequential tone-pairs in two alternate fields arranged as orthogonal but interleaved tone sets.

Icom IC-746 backlight repair - Many Icom IC-746's suffer from intermittent or non-functioning LCD backlights. Here how it can be solved

N4ATS.com - N4ATS - Devoted to the Yaesu FL-7000 Amplifier. I have been rebuilding, repairing, and applying modifications to the Yaesu FL-7000 amplifier for 15 years. Over 200 units completed and counting!

Amateur Radio Service / ARS - ARS repairs all major brands of Amateur Radio equipment (Icom, Kenwood, Yaesu, Alinco, etc.) in our Portland Oregon area service facility

The Willco electronics no-fail memory - Memories repair and replacements for Icom Radios

Beltronics, Inc. - Beltronics is a factory authorized Kenwood, Icom & Yaesu (Vertex/Standard) Repair Center, Hollis, NH

Advanced Communications - Refurbished used test equipment, rfand power amplifier repair, two way radios sales and service

RadioLabs - Radio, Wireless and Beyond - Specialize in engineering, design and repair of all rf equipment. Dealer for two way radios, scanners, shortwave radios, wi-fi antennas, wifi amplifiers. Based in Fortuna, California.

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.

LandAirCom - Repair for all brands of equipment; authorized or recommended for most major brands, Richmond Hill, New York

Cabrillo Evaluator by W3KM - Cabrillo Evaluator Software by W3KM free software loads Cabrillo log files, evaluates and scores them.

WD8LQB CountyLog - CountyLog windows amateur radio logging program. Log county contacts, export to ADIF, and access the Who's on the Air Database. Commercial version with free limited version availbale.

TalkingLogBook - A Windows Freeware general purpose logging and CAT rig control program, primarily for the visually impaired. It has options for improving screen readability including the option of changing font size. Turn on the synthetic speech capabilities and your PC can announce frequency and mode information from the radio and log book information.