long range wifi

TX Four Square Antenna - A 220-ft tower that has five catenary lines, each about 500 feet long. Four of these lines, running NE, SE, SW, and NW support four 1/4-wavelength wire verticals used in a 160-meter four-square antenna.

Trap Dipole for 17 and 20 - M0XDX trap dipole for 17 and 20 metres made from two fibreglass telescopic 5 metre long fishing poles.

Quadruple-Quadlong for the 2-m-Band - The DK7ZB-Quadruple-Quadlong for the 2 meter Band

Flower Pot Antenna for 2 and 6 mt - The diagram below shows the basic arrangement of the 2m Half-Wave version of the antenna. A 6m diagram is available too by VK2ZOI

Inside view of a Magnetic Loop Balun - Inside view of the RF Systems magnetic longwire Bbalun

Magnetic Long Wire UnUn 9:1 - An impedance transformer (9:1) to feed a high impedance long wire (~450 ohm), down to a 50 ohm unbalanced coaxial input.

Two wire broadband HF dipole - This article describes the design and simulation of a two wire broadband dipole antenna for the HF band, using the software 4Nec2. The antenna is designed to operate in the full range 3-30 MHz

Longwire Horizontal Antenna - An SWL longwire horizontal antenna

Long wire antenna random wire - About longwire antennas, technically to be a true longwire an antenna needs to be at least one wavelength long, but common use of the term by Hams is for any random wire length that is end fed.

ZA/F4DTO - F4DTO/ZA and F4GFE/ZA Albania 2 to 16 April 2011 40m to 10m

70 MHz bandplan - The long range bandplan for 70 MHz by OZ2M

GM0AYR Ayr Amateur Radio Group - Founded in 1937, the Ayr Amateur Radio Group (AARG) has a long history of being the focus for amateur radio in Ayr and South Ayrshire

Orange County Sheriff Live Radio - Orange County Sheriff Live Audio Feed at radioreference. Florida USA

Ulvin International - Spanish manufacturer of the Tremendus HF power amplifier from 1 to 12 KW PEP, and 5 KW baluns along to Wattmeters and antenna commuters to 5 KW

Antenna Engineering - Antenna Engineering specialise in producing a range of high quality aluminium HF verticals ranging from mono band single element verticals to multi element phased arrays.

PRO-COMM INC - High power, UHF, L-band, S-band, C-band, microwave frequency amplifier and oscillator devices, pulsed, CW, fixed-tuned, or tunable devices in the range of 600 MHz to 2000 MHz

California Tube Laboratory - CTL designs and manufactures a wide range of high-power pulse and CW magnetrons, and provides cost-effective magnetron rebuild services for commercial, industrial and defense users.

G0HWC ATV 13cms and 23cms projects - 13cms and 23cms ATV my projects and builds. Also using wifi amps on 13cms, 13cms dish feeds using a Sky dish. GB3CZ

Instant Tune and Instant Track on Windows 7 - How to operate Instant Tune and Instant Track or DOS Programs on a last generation computer in french and english by ON6WG F5VIF

Ground Wave Signal Propagation - Article on propagation basics. The ground wave used for radio communications signal propagation on the long, and medium wave bands for local radio communications

HFUnderground - HFUnderground.com is dedicated to documenting longwave, mediumwave, and shortwave stations, including broadcasters, utility/military stations, pirate radio and spy numbers stations.

Spikes CB Radios - A full service sales & repair shop, sell a wide range of cb radios, scanners, antennas, mounts, echo, noise toys and a wide range of accessories. Atkinson, IL USA

U2APRS Android APRS Tracker - U2APRS is an APRS client application running on Google Android OS.It locates your position using GPS, 3G, and WiFi, and uploads it to the APRS-IS.

QTH locator - Ham Radio Android Apps to displays your current QTH locator on Google Maps using the GPS or WiFi / network location.

Ham Dashboard - Iphone App with list of nearby repeaters in the UK, along with details of input and output frequencies, a map, and a handy bearing arrow for each repeater.