long range wifi

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.

Loop for 50 Mhz - A quick 50 mhz loop antenna construction details

Building baluns  ^pop - How to easily home-brew baluns even in strange formats 1/1 - 2/1 - 4/1 - 6/1 - 9/1 - 12/1 et 16/1 for bands from 1.8 to 30 (50) MHz in french

The Beverage Antennas - Beverage antenna description for long wave reception, article published on Megahertz magazine in November 1900, in french

HB9AGD Magnetic Loop - Pictures and antenna plan of a magneti loop antenna working in the range 6.650 7.250 Mhz in french

Antennas for MF and LF - Long Waves, Short Antennas, designing antennas for MF and LF communications

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.

The ZS6BKW Multiband HF Antenna - Antenna design from ZS6BKW (G0GSF), similar to the G5RV, but it actually resonates on five bands It’s only 90 ft long 27.51 m, with a 40 ft 12.2 m downlead

UU7J contest team - Club station UU7J (also EM7J) is located in Kerch, Eastern part of Crimea, Ukraine and belongs to Kerch Sea Port.

SM - Sweden SI9AM - King Chulalongkorn Memorial Amateur Radio Society in Ragunda, Sweden

Fountain Valley RACES - Fountain Valley Amateur Communications Team Located in Orange County, Southern California

VE3RIX.ca - Manotick Amateur Radio Group - Ottawa - The Rideau Township village of Manotick, Ontario was founded in 1854 by Moss Dickinson and is located about 20 KMs south of Ottawa along the picturesque Rideau waterway.

AF6P - FILAMARS of San Diego - Web page of the filipino american amateur radio society of san diego af6p. it's repeater in 2 meters and 220 mhz cover a wide range and can be accessed anywhere in san diego area.

W6RO Long Beach Ham Radio Club - W6RO, queen mary long beach amateur radio club.

WR6AOK San Lorenzo Valley Amateur Radio Club - The San Lorenzo Valley Amateur Radio Club, WR6AOK, is a ham radio club for amateurs in and around the San Lorenzo Valley. We are located between San Jose and Santa Cruz in the coastal mountain range of the Santa Cruz County, California.

OCCARO - OCCARO is a membership organization formed for the benefit of all Amateur Radio clubs in Orange County, CA and neighboring counties.

Jacksonville Range Association

K4BT Orange Park Amateur Radio Club

Strange CW keys - Very strange morse keyers, like Onion chopper CW key, Handshake CW key, Chopsticks CW key, Typewriter CW keyboard, Refrigerator CW key by OH6DC

Ginlong Technologies - World leading specialist in manufacturing, providing design services for small scale wind turbine systems and parts (<30kW)

Comtechpst.com - High Power RF Amps - Comtech PST offers solid-state power amplifiers in frequency ranges from 1 MHz through 3.6 GHz, with output power levels ranging from 5 watts to over 30 kW

WA6TWF Super System - The Super System has three repeaters on Santiago Peak, one in Anaheim, Orange, Santa Ana, Palos Verdes, L.A., Mt. Wilson, Fullerton, Pleasants Peak, and two in downtown Honolulu. Most of these repeaters have autopatch.

Futurlec - The largest range of electronic components

An Intelligent keyer for FSK beacon usage - Designing a beacon keyer that transmit the relative output power along to call sign.

Toroid cross reference - Construction articles in magazines and books often use part numbers of firms no longer in business or whose parts are hard to find. Here you can locate the palomar toroids equivalent