wifi propagation

Helical/helix antenna 2.4 GHz HOWTO - Helical/helix antenna cookbook recipe for 2.4 GHz wavelans and/or WiFi applications

NVIS Antennas - Kv5r Understanding NVIS Antennas and Propagation

43.33 Km LOS with USB WiFi stick  ^{updated  pop} - Simple USB 802.11b WiFi adapter with original antenna test by adam 9A4QV.

Wifi: Building Yagi Antennas - Example and resources of 2.4 Ghz yagi antenna plans

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.

Building the WiFi parabolic antenna Priority listing - Building a Bell ExpressVu satellite dish with a waveguide coffee can cantenna feed, and a Netgear USB Rangemax wifi card (WPN111).

Selecting a WiFi antenna - What is the best WiFi antenna for me? Looking for a range extender antenna for your WiFi system. This article will help in choosing the correct antenna for your system

Planetary SKIPshooters - Planetary SKIPshooters: Society for Keen Ionospheric Propagation - A CB Radio (Citizens Band Radio) DX (shooting skip) Group (Club) for 11 meter radio communications.

P3A - Russian contest team - On this page you will find information about previous, current and future operations of our contest team, different articles, links and info about contesting, DXing, contests calendar, propagation, antennas, equipment, awards, and much more.

DXFun Web Cluster - DX Cluster mainly in spanish, with chat, filtering available upon user registration, propagation reports and solar status, includes also latest dx news.

Cantenna Wireless Booster Antenna - Extend the range of wireless network or connect to other wireless networks in neighborhood with your own wifi antenna.

BAZ Spezialantennen WiFi Antennas - Wireless Lan Antennas for WLAN 2,4 GHz, HiperLAN 5,x GHz, UMTS, WiMAX a.m.m.

HFPack - HFpack provides an information exchange about transceivers, antennas, systems, HF packs, propagation, new developments and techniques in HF portable operation. Radio Amateurs are invited to participate in egroup and on-the-air nets around the world.

Guide to Solar Activity - Paul Harden NA5N has produced a superb guide to solar activity and HF propagation for the QRPer

WB3ANQ Web Site - Operational mode QRPp QRSS Running as an MEPT Manned Experimental Propagation Transmitter

VHF/UHF Propagation - In the past few years there has been a growing movement from VHF frequencies (50-300 MHz) to UHF (300-900 MHz). Many, however, have found the move fraught with difficulties.

IPS - HF Systems MUF maps and prediction charts - These pages provide general propagation advice for HF communicators. Information available includes inferred global propagation conditions, real time HF fadeout coverage charts, regional ionospheric vertical MUF maps and Hourly Area Prediction charts for Astralia and Asia, Europe and North America

Real-Time Space Weather - Great propagation resources page assembled by David Rosenthal, N6TST

Radio Sport Canada Zone to Zone propagation - ZoneProp produces a 40 zone by 40 zone matrix that is updated hourly at approximately 20 minutes past the hour. The intersection between a row and column gives the band on which a constestant in the zone represented by the row is mostly likely able to contact an contestant in the zone represented by the column.

Is HF propagation reciprocal - Some test circuits using the ACE-HF System Simulation & Visualization software, about reciprocal propagation on HF bands by NW7US

Beacons - The W6AMT Beacons is a Windows program which automates the collection of radio propagation data. HF data is collected by monitoring the worldwide network of NCDXF / IARU HF beacons.

Proplab-Pro - An ionospheric laboratory for your personal computer. Wquipped with one of the most powerful ray-tracing engines capable of handling such things as Ionospheric Tilts Chordal Hops Non-Great-Circle Propagation Spitzes and more

Propagation Wizard - Freeware windows application that help in determine the availability of a shortwave link, by Rohde & Schwarz

SEP Win - VHF Propagation Analysis Software for the Radio Amateur by K9SE

PalmProp - PalmProp is a software for PalmOs dedicated to the forcast of HF radiowave propagation by f5hla