qrp 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

PV6 Yagi antenna - 6 elements yagi beam for 15 meters band, by T73M

Coaxial-Cable Trap Dipole  ^{updated  pop} - An Attic Coaxial-Cable trap dipole for 10, 15, 20, 30, 40, and 80 meters

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

2 meter Quagi 97  ^pop - Dimensions and plan to build a W5UN EME quagi antenna

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

Delta-Loop for 40 Meters - Two-element Parasitic Delta-Loop Array for 40 Meters by WB3HUZ

RockLoop Antenna  ^pop - A Compact antenna for 10.1, 14 & 21 Mhz Bands. A multiband portable antenna suitable for QRP operations.

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

M1KTA Antennas W3EDP - Notes on W3EDP Antenna by M1KTA

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

K2 Logger - K2 logging system by WB2QAP, logs ARCI sponsored contests and others with same point system

OK0EN QRP beacon - 3600 kHz Beacon from CZeck republic

WebSDR in Louisiana USA - WebSDR Receiver on 10 meter by W5ZA located in Shreveport, Louisiana USA

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

I.C. Engineering - Electromagnetic field strength meter

Autek Research - Autek Research make three models of RF Analysts, power and swr meters

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

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

QRPPAL for Windows - Free QRP logging software by WB2QAP

ERP Calculator - DOS program that will assist you in determining your 2 meter station's Effective Radiated Power (ERP)

Amplifier Simulation Program - ASP 4.0 - Design weak signal GaAs FET or bipolar PreAmps. Automatically designs for optimum gain, NF, VSWR or all.

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

Field strenght meter - Simple to build with a very clear instruction set, useful to check the radiated power of your antennas