air wound balun

Balun Theory  ^pop - The word balun means balanced-unbalanced: it's used to adapt a balanced device to an unbalanced one

C.A.S.H.O.T.A. - CASHOTA Castle And Stately Homes On The Air Award for contacting Castle and Stately Homes in the U.K

AERO ham radio club - W3PGA - middle rivermaryland, established in 1946 in cooperation with the Glen L. Martin Aircraft Plant in Middle River

FX Rotor Works - rotor repair rotator repair rebuild sales CDE Telex HyGain MFJ Hy-Gain

How to build a simple wireless telegraph set - The simplest wireless telegraph set consists of a means of generating and controlling a spark which sends out radio waves into the air, and a receiver or detector to detect the radio waves.

ACARS VHF Data - The first of a series of articles that provide an introduction to the latest ICAO defined digital communication modes, including VDL modes 2, 3 and 4. In this edition we begin with the current ACARS application then bring this up to date with AOA.

Newfoam - Speaker Repair, Speaker Parts, Speaker Foam, Replacement Speakers

360 Ham Rotator Service - Rotators repair services

Texas 2-way - Amateur radio sales and repair

Radio Dr. - Professional electronic repairs on old & new CB's, Ham & Marine Radios and more. Low rates, thousands repaired for other shops.

SpeakerRepair.com - Speaker repair, reconing, re-edging, speaker parts, DIY re-edge kits.

Human Speakers - Specializing in speaker manufacture and repair.

RTO Electronics - Heathkit Amateur Radio Repair, parts, and manuals. Amateur radio equipment sales and service.

International Radio Service Division - Let us improve your enjoyment of Ham Radio. Repair services

Groton Electronics - Repair all major brands of Amateur Radio Equipment, such as KENWOOD, ICOM, YAESU. We also repair vintage American radio equipment.

ESP - ESP provides repair service down to the component level. We offer reasonable rates. Out-of-date equipment is not a problem.

Electronic Equipment Servicing - Yaesu, Kenwood, Icom repair service

MTS Ham Radio Repair - Radio / electronics repair ICOM authorized service center

Communications Experts, repair modifications - Communications Experts CB Radio and Ham Radio Repair Modifications Programming Communications Experts Maxon Icom Cobra Uniden Galaxy Palomar Can Be Found At Communications Experts

Colboth - Antique and ham radio repair - Repair and restoration of not just antique tubed radios, but also new solid-state Amateur Radio products also!! Also, electronic kit building and troubleshooting, antenna grounding kits and products.

Baha'i International Radio Service - Itan

Radio Free London - Radio Free London is now BACK ON THE AIR. We are now back on medium wave (AM) on 1125kHz (266 metres) and 5805kHz short wave every Sunday. The SW service consists of a 4 hour loop of 2 programmes. The medium wave service has a third bonus programme making it a 6 hour loop of 3 programmes.

JRRI Jolly Roger - free radio station, we are classed as pirates of the airwaves, because we do not have a licence to broadcast on short wave.

Station Lightning Protection - This website outlays the basic knowledge, safe design and installed equipment that are employed in the lightning protection system of a US Coast Guard Auxiliary Radio Facility. This should also be relevant to the Civil Air Patrol, MARS, and Amateur Radio stations who provide emergency communications capability for public safety or the military

A 80/40m DDS controlled QRP CW transmitter - JUMA-TX1 is a 5W CW transmitter for the 80/40m bands. Juha (OH2NLT) and Matti (OH7SV) have had high quality CW keying and a compact size as design goals for this project. No coils need to be wound to construct this transmitter!