led swr meter

IK1ZYW Vertical antenna - A vertical antenna for stationary-mobile HF-VHF operation. It works on 2-6-10 and 12 meters band.

Swiss Quad for 10 and 6 meters  ^pop - Based on HB9CV, F6ITV decribes how build a swiss quand antenna for 28 and 50 Mhz.

Mobile Antennas for 10 Meters - Interesting article on mobile antennas by Cebik, W4RNL

DK7ZB-5-Band-Quad - 2 element Quand antenna for 10 - 12 - 15 -17 - 20 meters band

W3FF Portable Dipole  ^pop - This is the antenna w3ff designed for his walking portable station. It is a dipole constructed out of the plastic plumbing pipe CPVC. There are telescoping whips at the ends of each side of the dipole, and these whips are adjusted to bring the antenna into resonance on each of five HF Bands 10, 12, 15, 17, and 20 Meters

20m T-Monopole - 20m T-Monopole short vertical antenna for 20 meters by AA5TB

M3FVB 2 meter quad - Photos and building procedure for a home brew 2 elements Quad for 144 mhz.

2 Elements HB9CV  ^pop - 2 meters band HB9CV antenna

Modified Buddipole for 40 to 10 Meters - This is modified version of buddipole antenna, using vertical wires instead of telescopic ends by ks7j

Add 60 meters to butternut vertical antenna - The Butternut vertical is a great antenna in that it covers all HF bands from 160- though 10-meters (or 160-30 meters for the HF-2V) except 60-meters. This article describes three methods to add 60 meters to your Butternut vertical without losing any other bands.

IK-STIC 2 vertical multiband antenna - The IK-STIC 2 is a vertical, all band, antenna that is over 25 feet tall yet weighs under 5 pounds. Based on a telescopic pipe or a fiberglass fishing pole, using a tuner it can easily cover the amateur radio HF bands from 40 - 10 Meters

10 meter beacons - Ten meters propagations beacons compiled by Bill Hays WJ5O

Zanesville Amateur Radio Club Priority listing - The Zanesville Amateur Radio Club (ZARC) is an association for the purpose of providing amateur radio communications in times of emergency: installing, maintaining, and operating a 2-meter repeater and club radio shack, and promoting amateur radio in general.

11metertraffic.com Priority listing - BAnner exchange system offer quality traffic at for your 11 meter site

Recording of DX and other signals on 160 meters - Topband and DX recordings and sound files on 160 meters band

Counter Surveillance - Field Strength Meter - The zap checker is a counter surveillance, bug detector, field strength meter

W8JI History of 160 Meters - Includes W1BB Stew Perry letters, and a sample QSL cards of dated 1963

Really Low Frequency Operating - The world below 500 kHz (The wavelength is 1500 meters or just about a mile) has a number of interesting listening and communications opportunities with possibly more to come.

VectorFox - VectorFox is a software born to incorporate a PC into the fox hunting environment. VectorFox is able to take inputs from up to 5 sources, such as a 2m beam, a 2m signal meter, a TDOA, etc, and display the results on the screen. VectorFox also accepts Agrelo inputs. From these results the operator can choose which indication is best and have a line drawn on the map in the direction of the signal.

Yaesu - VX-7R specifications - Full detailed specification of Yaesu VX-7R handheld transceiver

The Radio Reference - RadioReference.com, scanner frequency and radio communications reference source, with complete conventional frequency assignments, trunked radio system information, frequencies, and talkgroups, FCC License assignments and maps, 10-Code Lists, agency maps, files, downloads, links, and detailed agency information for most public safety, military, and local government activities.

SWR Calculator - Computes the Standing Wave Ratio, given the power readings on a line.

XLZIZL by AC6LA - XLZIZL is an Excel application that analyzes the components of an antenna feed system, including transmission lines, stubs, baluns, and tuners. Calculations include impedance transforms, SWR and reflection coefficient, power loss, voltage and current standing waves, stress on tuner components, network attenuation (S21), and return loss Analysis results are available in worksheet format and in five different chart formats, including Smith charts.

AA5TB Antenna Coupler / SWR Bridge - Wire antennas requires a special coupling network to properly couple my 50 ohm coax to the antenna's high impedance (5000 ohms)

GnuRadio: Universal Software Radio Peripheral - The UniversalSoftwareRadioPeripheral (USRP) is a low-cost, high speed implementation of GnuRadioHardware, developed by a team led by MattEttus