wireless spectrum analyz

J-pole antenna for 915MHz - A 915 MHz four bay j-pole antenna plan

900 MHz Quagi antenna - A 10 elements quagi antenna for the 900 MHz band

Rybakov 806 Multiband Antenna - Multiband no trap no gap antenna. This Antenna is a small wonder, easy to build and allow you to work all HF spectrum with your TRX and it's internal ATU.

Homebrew WiFi Antennas - Lincomatic's Homebrew WiFi Antennae, Cantenna, Toothpick Monopole, Patch Antenna, BiQuad, collinear wifi antenna all in one page

How to extend your Wireless Network - How to extend your Wireless Network by building a 2.4 gHz wifi cantenna

Beacon Signals.com Priority listing - Covering all areas of beacon signals including radio beacons and beacon technology. Access free beacon recordings and graphs using Spectrum Lab, SpectraVue, and CW Skimmer.

Beacon Station MO 189.5 KHz - This site is dedicated to experimental low frequency operation in the 160 to 190 kHz spectrum. LF beacon MO is no longer active. This page is retained only for reference information.

W1TU Ellsworth Amateur Wireless Association - Ellsworth Amateur Wireless Association, Maine USA

Downeast Spectrum Amateur Radio Newsletter - The Downeast Spectrum is an Amateur Radio newsletter covering topics of interest to enthusiasts of the Ham Radio hobby and service. It also reports on the activities of three ham radio clubs in Down East, Maine

Portland Amateur Wireless Association - Established in 1914 and affiliated with the ARRL since 1930, the Portland Amateur Wireless Association has the distinction of being the oldest Amateur Radio club in Maine

Waterville Area Wireless Association - The Waterville Area Wireless Association was founded in 1957

K5RWK Richardson Wireless Klub - The Richardson Wireless Klub is an ARRL Special Service club of amateur radio operators based in Richardson, TX, USA.

W1YK - Worcester Polytechnic Institute Wireless Association. - The Worcester Polytechnic Institute Wireless Association

Bird Technologies - Bird Technologies supplier of RF products, like RF Meters, Bird 43, VNA, Spectrum analyzers, attenuators, transmitters combiners, dummyloads, terminators and replacement parts

WE-030A Antenna Analyzer - Small and simple to use, this antenna analyzer can speed and ease the tuning and adjustment of HF antennas. It measures the fundamental parameters SWR and return loss.

TCI International - US global provider of innovative radio frequency (RF) solutions for spectrum monitoring and antenna applications. Specializes in Spectrum Monitoring, Communications Intelligence , HF/MF Broadcasting & Communication antenna systems.

VHF Propagation Maps - Experimental maps that show real-time VHF propagation derived from analyzing data gathered from the APRS-IS network.

Analyzing UHF signals using FFT programs - With spectrum analysis of beacon signals, it's possible to see features relating to various propagation phenomonen.

National Test Equipment - New, used, & reconditioned electronic test & measurement equipment sales, rentals, & service. Agilent/HP Spectrum Analyzers, Tektronix Oscilloscopes, Fluke Calibrators, & much more.

Cantenna Calculator  ^updated - A circular waveguide calculator for designing cantennas include source code and windows executable by lincomatic

Fatpigdog's Real Time FFT Audio Spectrum Analyzer - Fatpigdog's Real Time FFT Audio Spectrum Analyzer. User interface has the look and Feel of an HP Spectrum Analyzer. But, in addition to the regular Spectrum Plot, it also produces detailed Waterfall plots. The user can optimize the color map, chosing from a wide assortment of color themes. This analyzer supports multiple traces, trace arithmetic and normalization.

100MHz Spectrum Analyzer - This Spectrum Analyzer supposes to be a cheap and a useful device for any ham radio by Iulian Rosu, YO3DAC / VA3IUL

100 MHz Spectrum Analyzer - Home made 0-100 MHz spectrum analyzer project

HF Antenna Analyzer - 3 to 30 Mhz antenna analyzer schematic by YO3DAC / VA3IUL

N5EG VNA - This article describes a low-cost vector network analyzer that operates from 200 kHz to 100 MHz, and connects to a personal computer using a USB 1.1 interface By Tom McDermott, N5EG, and Karl Ireland