long range wifi

10 meter wonderbar antenna - 10 Meter WonderBar Antenna, present an SWR 1:1 over entire band, great DX, rotateable by hand, 8 ft long - build for about $20

Bobtail dipole - Bobtails are vertical arrays that look like the letter "E" turned 90° clockwise onto its tails. They have 3 quarter wave vertical elements and are one wavelength long. The Half Square is a shortened Bobtail- it has 2 quarter wave vertical elements and is a half wave long.

Helical Antenna for WiFi - Improved Helical Antenna Design for 802.11b WLAN by PA0HOO

Helical Antennas by F5ZV - Article on Helical Antennas in french

Antena gamma match - Gamma match antenna is an antenna 1/2 additional lambda with the impedance matching more flexible arrangements (var capacitor) by sliding through the gamma match/road.

VHF UHF Slim Jim Antenna - A vertical monoband antenna design that can work from 6 meters to 70 cm by F5ZV in French

Long Range Wi-fi Dish Antenna - Build parabolic WLAN antenna adapted from a small satellite dish. It provides high gain and long range connections.

Hot to test a homebrew wifi antenna - Homebrew Wifi antenna test page

Simple Wi-Fi Yagi - Simple Wifi Yagi antenna for under $10

PY0FF online log - PY0FF Online Long by Andre in SA-003 Fernando De Noronha Archipelago

N4OTC Old Town Amateur Radio Cruisers - Old Cars and Amateur Radio. This club has a repeater on site of the World Longest Running car cruise. Part of the ARRG.US network

AIR 802 Antennas - Manufacturer of WiFi (2.4 & 5 GHz), Marine WiFi, Military and other antennas of various frequencies and styles.

NP Technologies Inc - Design, develop, test and manufacture a wide range of Amplifier products including highly linear class A Broad Band, Cell Band, Pulse, AM & FM broadcast and Military VHF

Quartslab - Quartslab has over 30 years of experience in supplying quartz crystals to the international communications market. Our product range includes the supply of quartz crystals in the frequency range 1.5 to 225 MHz in all popular holder types as well as crystal oscillators in DIL8 and DIL14 packages.

Cobham Microwave Priority listing - Cobham Microwave has a long term experience in Microwave Systems and Components. Their five areas of capabilities are Systems and Components: Diodes & Modules, Ferrite Devices, RF Filters, and Waveguides.

SK6AW Maidenhead Locator Conversion - Convert to/from maidenhead gridsquare, decimal or DMS long/lat. Find your locator on smartphones via gps in your browser!

Ham Radio below 9 kHz - DK8KV Longwave information

ASAP Electronic Component Distributors - ASAP Semiconductor is a premier source for all long lead-time, hard to find, and obsolete components.

Bonito RadioCom Onlineshop - Whether Hamradio software, Transceiver or Receiver, WiFi sticks as well as practical accessories. Bonito have everything around the topic Hamradio.

Vertex Standard Australia, NZ - Vertex standard has the radio communications solution you need and should demand. a global organization with over 50 years of proud history and experience our range spans the commercial, marine, airband and amateur markets.

Repeater Range Android App - M3OYQ’s Repeater Range is a free application designed to run on the Android mobile phone platform. The the app listens to the onboard GPS and displays the bundled repeater database as a simple list sorted by the range.

GridLocW - GridLocW a Lat/Long to Maidenhead converter for Windows with optional GPS support

Digital Wattmeter - 300nW to 30W - The digital wattmeter project was created for the purpose of measuring power in the range of 300nw to 30w.

General purpose RF Wideband PreAmp - General purpose RF Wideband PreAmp based on BSX-20 transistor with a frequency range 14-550 MHz

Resolving 6 Meter Amateur Interference - Transmitting operations in the 50-54 MHz range offer some unique problems that over the past 50 years have stymied station owners, forcing them to tolerate quiet hours and hostility from family and neighbors attempting to enjoy other electronic services.