grid sq maps

TX Four Square Antenna - A 220-ft tower that has five catenary lines, each about 500 feet long. Four of these lines, running NE, SE, SW, and NW support four 1/4-wavelength wire verticals used in a 160-meter four-square antenna.

Bobtail dipole - Bobtails are vertical arrays that look like the letter "E" turned 90° clockwise onto its tails. They have 3 quarter wave vertical elements and are one wavelength long. The Half Square is a shortened Bobtail- it has 2 quarter wave vertical elements and is a half wave long.

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

GM3BAQ Aberdeen Amateur Radio Society - A Radio Society of Great Britain affiliated club. GS3BSQ GM3BAQ

160m WebSDR from Poland - WebSDR receiver in Wroclaw, Poland. Antenna is 160m inverted-L 12m height.

PeakSolar.com - Solar Panels, Grid Tie Systems, Solar Power Kits, Solar Cells and more.

GR Pubblicazioni ham maps - The radio amateur's world map by GR Pubblicazioni

ARRL Amateur Radio Map of North America - This large, colorful wall map features current geographic detail and labels, grid squares, call sign prefixes, boundaries and more.

RSGB Ham Maps - RSGB World Prefix Map - Radio Amateur's Map of the World

Amateur Radio World Prefix Maps - Unbranded amateur radio world prefix map by Southgate ARC

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

Chinese Ham Prefix Map - This page contains a map of Chinese Prefixes.

Russian Prefix map  ^updated - This page contains a map of Amateur Radio Russian Prefixes.

DX-Sherlock - QSO real time maps and listings - Shows QSO and SWL in real time, taking data from many different sources (DX-Cluster, WSPR, Reverse Beacon). It also allows to send DX-Spots and more features.

RSQ Signal Rporting for Digital Modes - This site is devoted to promoting RSQ as an improved signal reporting system for narrow band digital modes and to demonstrating its application to the popular PSK31 mode.

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

PSK31 Elmer page and PSK Signal Quality - Generating clean PSK signals and helping others to correctly tune their souncard output, as well as giving proper RSQ reports by identifying signal quality by N1NKM.

ARDF Projects - ABARC fox hunting projects, attenuator, antenna, S meter and squeeker.

Cloud RF - Web VHF/UHF planning  ^updated - Web based VHF-UHF RF planning powered by SPLAT! and Google Maps. Access via website, Android App or dynamic Google Earth interface.

QSL Shop by SQ1K - QSL Card printer in Poland

TAHO.EXE a source for UI-View maps - A cool add-on to UI-View, that enables to use the free datas of OpenStreetmap to generate APRS maps for UI-View in a few mouse clicks.

Depiction - Depiction mapping software can download and integrate maps, elevation plots, weather data, situation reports, damage assessments, volunteer movement, and more. It interface with your APRS ssystem

QTH locator - Ham Radio Android Apps to displays your current QTH locator on Google Maps using the GPS or WiFi / network location.

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.

Iambic-Squeeze-Keyer - A home made iambic Squeeze electronic keyer