80 meter yagi

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

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.

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

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

80/160m Small Receiving Loop - N3OX 80m/160m rx loop

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

Yagi-Uda antennas - A Yagi-Uda antenna is familiar as the commonest kind of terrestrial TV antenna to be found on the rooftops of houses

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

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

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

M2 Antennas - 80m to 23cm beam antennas, oscar antennas, and antenna rotors

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

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

Andrews Communications Systems - Australian dealer, HF linear amplifiers, power supplies, baluns, HF UHF yagis and verticals including multiband HF verticals.

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

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