open wire calculate

A VLF loop by IK0VVE - This antenna was born from the demand to use a loop for vlf operations in portable posting, avoiding the aid of long wires to stretch.

A dual band wire beam for 17 and 12 meters - This wire beam Moxon antenna offers double duty on 17 and 12 meters with one 50 Ω feed line by Allen Baker, KG4JJH

An End Fed Half Wave Antenna - This end fed type of antenna was marketted in the UK and is a useful system for the portable set-up. Being a half wave, no radials or counterpose wires are needed.

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

A 2.4 Ghz High gain antenna  ^pop - Here is how to build a high gain antenna for 2.4 gHz wireless networks. Several hams are experimenting with these devices in an effort to build a network. It is sometimes referred to as Hinternet or HSMM.

Portable Wire Antenna - W4ZT used this antenna for Field Day and other portable applications. He built them for all bands between 160 meters and 6 meters. You can make them easily using whatever wire you have available and make the insulators from scrap plastic

The CC-AWA - Carolina's Chapter of the Antique Wireless Association

Houston Vintage Radio Association - A non-profit organization seeking to preserve the history of the development of wireless communication by encouraging the acquisition, restoration, preservation and exhibition of antique wireless and radio apparatus

Northwest Vintage Radio Society - Dedicated to the Preservation and Enjoyment of Vintage Radio and Wireless Equipment Serving the greater Portland, Oregon area

Vintage Radio and phonograph society - Dedicated to the historical preservation of early wireless phonograph

Antique Wireless Association - Carolinas Chapter of the Antique Wireless Association Inc. "CC-AWA"

Radio Relics - Florida Antique Wireless Group

Antique Wireless And Scientific Instruments - An on-line museum featuring over 400 pictures of radios and related items from the 1920's

Military Wireless Museum - Military vintage radio collection including spy sets, SOE, SIS, MI6. Classic vintage military radio sets, British, German, Japanese, USA plus other countries.

DXCC List with your beam headings - You can have your persolal DXCC country list with correct beam heading calculated on you grid square location by ok2pbq

Trusted QSL - The mission of the Trusted QSL Group is to keep eQSL an open and free activity for amateur radio operators by promoting the Digital Signature Standard (DSS).

K6BW Hamilton Wireless Association - Is a group who enjoy gathering together to practice the hobby of Amateur Radio.

W6VIO JPL Amateur Radio Club - The JPL Amateur Radio Club is open to employees and contractors working at all Jet Propulsion Laboratory facilities including the Deep Space Communications Complexes in Australia, Spain and Goldstone California.

Famous radio amateurs list from England and around the world - Famous amateur from england and the rest of the world

QTH Locator map - Click on the map and the QTH locator will be calculated

W7DIN Desert Intertie Network - privately owned network of OPEN, Linked Repeaters operating in the Yuma area under the Club Callsign of W7DIN.

Trusted QSL - Open source libraries and utilities to support using digital signatures for Amateur radio QSL system information like eqsl and lotw. Available for windows macos e linux.

Meet Jason - Jason is a keyboard mode displaying the received message as text. Expecially indicated for LF operations

Mini Ring Core Calculator - The easy way to calculate toroid cores.

Toroid Winding Calculator - Choose Iron Powder or Ferrite and calculate required turns