most wanted grid squares

14elem. 144MHz OWA EME Yagi - Simply a superb 50Ohm 2m Yagi with excellent bandwidth and most important, low noise.

30 el 432MHz LFA Yagi Priority listing - 30 elements 432MHz LFA Yagi over 44dB F/B and almost 21dBi forward gain. Easy build, no match required.

Double Quad For VHF UHF - Double quad wire antenna for the 2m and 70cm band. Each of the two squares is the size of a wavelength by DF7DJ

Tower building mistakes - The 10 most common tower building mistakes by K7LXC

Les Nouvelles DX - Galerie de QSL  ^updated - QSL gallery mostly for the deleted countries, old prefix, Antarctic stations and also for the very old cards prior 1945

YO2BZV Blog - YO2BZV Blog About amateur radio interests. It is a fantastic hobby Mostly in Romanian.

The Austin QRP Club - The A QRP Club is a small group of Amateur Radio enthusiasts who enjoy building, operating and (mostly) talking about Low Power radio communications, equipment and systems.

EA4FRB Melchor Varela - Interested in electronics, active in HF and 6M, mostly in digital modes and also enjoy listening and receiving from utility stations. Many interesting homebrew projects

SK6AW Maidenhead Locator Conversion - Convert to/from maidenhead gridsquare, decimal or DMS long/lat. Find your locator on smartphones via gps in your browser!

ARRL Grid Locator Map for N.America  ^updated - North America Grid Locator map by ARRL

6 meter DX by N2FFL - Includes many links related to magic band and also a collection of grid square maps

Making the Most of your PSK31 Signal - Adjusting audio output of your soundcard to obtain a perfect PSK signal from your transmission. A project to help you tuning your PSK31 emission.

IN3ECI - QRP Operations - Italian station operating mostly in QRP Mode, contain some interesting QRP projects for portable antennas and antenna mounts.

New England Repeater Directory - New England Repeater Directory (NERD) is the most accurate and up to date amateur radio repeater database available in our region. It is maintained by local volunteers of the amateur radio community. The listings are a reflection of each repeater's true status, regardless of their coordination

HF Amplifiers comparison chart - Comparison table of most popular RF HF Power Amplifiers in the US market

ICM Components - ICM Components is a company supplying Semiconductor & Passive Components, stocking most surface mount packages in I.C & Capacitors.

Radio Caroline - World's most famous offshore radio station still on the air today

Visual WAIS - Visual Wais is a free HAM (Amateur Radio) software to manage WAIS (Worked All Italian Squares) award. With few clicks, it allows the complete award management, from QSO insertion to endorsement requests.

GridLocW - GridLocW a Lat/Long to Maidenhead converter for Windows with optional GPS support

Cute CW - Most morse code (CW) training requires you to learn everything at once without a training process. This application changes that and separates training into phases.

SK6AW iPhone DX-Cluster - Android & iPhone DX-Cluster, works well in most browser. Supports iPhone push notifications via pushme.to and E-Mails. Spot filtering and skins available. Very flexible.

Tuning up a tube-type amplifier properly - This guide is primarily written for those who are new to HF tube-type amps, or anyone who wishes to get the most out a Linear amplifier.

What cause key clicks - Clicks are most problematic when we try to copy weak signals next to moderately strong signals. How to recognize them, and how to identify clicks problems

Portable RF Sniffer and Power Meter - Whether we are tuning up homebrew equipment, checking antenna VSWR, adjusting a linear amplifier, or just monitoring output power during a contest, almost all aspects of ham operation can use a power meter. Paul Wade W1GHZ

Frequency calibration procedure - Method of master oscillator calibration on most solid state rigs that are out there today by KK5DR