diy swr meter

2 element Quad antenna  ^pop - Detailed instructions about a 2 elem. quad antenna for 10,12 and 15 meters band, by iz7ath, Talino

DX Dual Dipole  ^pop - Two dipoles fed from the same coaxial line by n6bz for 20 and 15 meters

Rotatable Dipoles  ^pop - Portable, and shortened with loading coils rotatable dipoles for 6 meters, 20 meters and multibands.

A 146 Mhz J-Pole Antenna  ^pop - A 2 meter (146 Mhz) J-Pole antenna that is inexpensive, and easy to build.

50MHz Moxon Rectangle - N3ox 6 meter moxon rectangle, pictures and assembly notes

Simple j-pole antenna for 2 meter  ^pop - how to build a J-pole antenna for 2 meter band with many photos ecc.

NB6Zep Antenna and more - A modified EDZep for 20 meters, Yagi, Zepp Beam, Dual Dipole, Space Restricted 80 meter wires. Operating Bands: 40 thru 10 meters with tuner

160 meter sloper antenna - The 160-meter sloper system at K3LR

Cluster.dk - CB Radio 11-meter DX cluster with user configuration and custom notification.

CB DXPacific Propagation Priority listing - Eleven meter world-wide propagation predictions for South Pacific updated monthly. Also, Near Real-Time DX Monitor

2LD751 Andy Priority listing - Webpage of Andy, 2LD751. Includes links to some good 11 meter related stuff. Updated often.

30 RMA 001 Paco - web site dedicated to eleven meters dx also in spanish

WA7LNW/QRP - 10 Meter Beacon, 28.288 mhz Hurricane Uta USA

Six Meters Beacons - 6 meters Beacons Worldwide including also Italian VHF beacons

F4DBF Sebastien - Much information about 50 Mhz and 2 meters : log , info , links .Also J28VS log.

MaCo Antennas - Maco Manufacturing, HF Antennas, gamma matches, cable assemblies, power supply, swr meters, watt meters

OAK Hill - CW transceiver kits, qrp, frequency counters, qrp wattmeters

I.C. Engineering - Electromagnetic field strength meter

Diamond Antenna  ^pop - Base station and repeater antennas, mobile antennas, ,multi-band HF antennas , handheld transceivers, receiving and scanner antennas, power meters, swr meters, power supplies, coaxial switches

SIXily News - Six meter band portal with lots of dx informations and operating aids by IW9CER

Scandinavian Weekend Radio - SWR is Finland's first private shortwave station.

Yagi Designer  ^pop - Program that produces antenna radiation patterns and graphs for SWR, forward gain, and F/B ratios

Radio Distance Software - This is a trivial program which calculates the distance and the bearing between two points. Points are either entered as geogr. data (Latitude/Longitude) or as qth-locator in the Maidenhead format (6 or 8 digits), as used in ham radio. Output is in degrees [°] for bearings, in Kilometer [km], US statute miles [mi] or nautical miles [nm] for distance

HamSphere - This is a Ham Radio Software Transceiver for Amateur Radio. Software works in Windows, Mac and Linux. HamSphere is a community for Ham Radio operators and other radio enthusiasts. Amateur radio equipment is not needed. The Transceiver uses java technology and covers all virtual Ham Radio and Amateur radio bands from 160 to 6 meters.

PLL2 - 2nd Order phase locked loop design for passive and active circuits. Bode plot, step response, design parameters