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An 80-160 magnetic loop antenna - A classic diamond shape loop antenna that works fine on 80 and 160 meters band. This loop design allow a few watts power only and include part list and construction details.

The Hudson antenna - A vertical antenna for 80 and 40 meters project with lots of assembling pictures and plan by LU9DPD in spanish

40-meter Rectangular Loop Antenna - A 40-meter antenna that provides good local and regional coverage during the day and good DX capability at night

Broad Band Dipole for 80m - Mesh constructed with enamelled wire 0.5 mm diameter For installing a support (plastic rope 2 mm) is needed. Antenna used on Solomon Isl in 1995 H44/DJ9RB

Coax Dipole Calculator - An efficient program to calculate dimensions of coax dipoles, or bazooka antennas considering velocity length of different coax cables. Express dimensions in feet/inch and meters/cm. Freeware by VE3SQB

K7MEM - Inverted V Antenna Design - Inverted V antennas is a dipole with the center raised on a mast and the endpoints near ground. Calculate dimensions online.

Antenna Impedance measurement - When experimenting on an antenna it's often important to determine its feedpoint impedance at various frequencies across the operating band. It's easy enough to measure SWR, but sometimes we need to know more detail than this

Magnetic Loop Antenna FAQ - Magnetic Loop Antennas for HF common questions and answers

Another way to look at vertical antennas - What iss the difference between a dipole and a vertical? Maybe not as much as you think. Come along and try another point of view.

Coax Traps from a Modeling Perspective - About Coax Traps, NC4FB examine the operation of coax traps through modeling.

The "Woodpecker" Tuning aid - This little gadget is that it allows you to tune up at full peak output power, whilst limiting the average power to a fraction of the peak, thereby protecting the PA from meltdown

Four square phased verticals - TK5EDP 4 square phased vertical system in corse isl.

ZS6BKW Antenna - A G5RV revisitation by G0GSF Brian

Scott's Crystal Radios and Antique Headphones - Dedicated to Crystal Radio enthusiasts, both users and collectors. Lot of info on antique headphones,crystal radios,earphones,headsets.

TF4M Diamond Farm - TF4M Diamond Farm in the West Fjords of Iceland. TFxY, TFxX and TFxZ are presently reserved for Contest operations and special occasions

DX Cluster Using the Internet - For those of you not familiar with the DX Cluster, a word of explanation by Martyn G3UKV

European 135.7 - 137.8 kHz Band Plan - This is not an officially recognized band plan for the European LF allocation between 135.7 and 137.800 kHz. This plan just contains my own observations and shall help the newcomer to get some orientation on where to find what.

PD0AC Hans - PD0AC Ham Radio Blog

W3YXE Radio Amateurs of Corry - The RAC, serving South Eastern Erie County, Northeastern Crawford County and Western Warren County in Pennsylvania since 1953.

BandPlans.com - Have you ever wondered where different modes should be operated, what frequencies to avoid as a courtesy like SSTV etc? This site offer a database for known net frequencies,known segments for different modes, known beacons

Drake Manuals - R-4A, R-4C, TR-4C, SW-4A, 4-NB , RV-4C, RV-7, PS-7, SP-75, R-8B, SPR-4, SW-8, Qx-er, AUX-7, T-4XC Owner & Service manuals

Kenwood parts - East Cost, deliver kenwood amateur radio parts

QSLMGR - This simple tool let you handle QSL manager data by ON6DP database by HB9CIC

YCCC 6 Band Receive Bandpass filter - This is a 6 band receive only filter designed to protect your receiver front end and provide 45dB reject at the stop bands.

Easy bandpass filters - Quick and easy bandpass filters for receiver input by George Dobbs G3RJV