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Several grid square maps on the net, including world maps, regional maps and specific country grid square maps, collected by ve2pij

You can have your persolal DXCC country list with correct beam heading calculated on you grid square location

Amateur Radio Ham Radio Maidenhead Grid Square Locator Map, by Address, Call sign or Grid Square, using google maps

VE3SUN DX Monitor is a standalone Windows program which monitors the DX announcements available on the internet at DX Summit and presents the information in a sortable grid format and on a map centered on your location. Price USD 39.95

Windows application that will allow you to perform calculations with the popular Maidenhead Grid Square system. This grid system is used worldwide by amateur radio operators for many aspects of ham radio.

Calculates grid squares from latitudes and longitudes, the reverse, and calculates distances and headings from two sets of lat/long or grid square. Convert Grid Square to Lat Log and vice versa. Freeware for Windows

About grid locators and grid squares, includes links to locator and grid square calculators

A large jpeg DX World map that include ITU Zones, grid squares and prefixes. This high-resolution DX World Map is an essential tool for amateur radio operators. It clearly displays ITU zones, CQ zones, grid squares (Maidenhead Locator), and DXCC prefixes, helping you to plan QSOs, track propagation paths, and participate in global contests. Whether you are a seasoned DXer or a beginner, this map provides a clear, detailed view of the radio world, improving your station's efficiency and geographic awareness. Available in JPEG format, it's perfect for display

Freeware Win98/NT/XP contest logging program, supports over 270 contests, Grid Square distance/heading routines, plus Grid maps by Dave Mascaro W3KM

Ham Radio Maidenhead Grid Square Locator Geocoding with Google Maps by by HA8TKS

A PDF file containing the US grid square map provided by Icom america.

The AZIMUTH program plots a world map in either azimuth (beam heading) or Mercator projections. If you specify your home location in latitude and longitude, the azimuth projection is centred on your location. The Azimuth map program can display Maidenhead grids - this is useful for 6m, 2m, and UHF DX communication display. Various features of the map are: Azimuth or Mercator projections , Maidenhead grid display, Simple map zooming, Print maps with adequate resolution up to one meter sized map

A large collection of amateur radio maps, including CQ and ITU Zones, a complete set of ham radio Prefix Maps, grid locators and time zones map. An excellent ham radio mapping service.

On-line calculator for Maidenhead locator calculations. It will work out your Maidenhead locator if you supply it with map references or calculate map references from your locator code.

calculate maidenhead grid square and coordinates

This free PDF file contains two Worldwide grid square maps. The first map displays the fields (first two letters of a maidenhead locator) while the second includes also squares (third and fourth digit) and it can be useful to determine what is your ham radio grid square. PDF file can be enlarged and scaled to A3 and higher dimensions.

Maidenhead grid maps for VHF/UHF, These maps make excellent wallpaper for your contest setup.

Write down grid squares of your QSOs and this nice online tool will create a World map with all contacts QTH linked to your home QTH. The QSO map picture can be downloaded for resharing.

Grid Square and Distance calculator by w3km

GRIDX, a BASIC program that calculates grid squares and Great Circle headings and grid.exe, a grid locator calculator

Amateur Radio Ham Radio Maidenhead Grid Square Locator Map online. This map allow just a point and click to determine dynamically the correct six characters locator. Other functions allow to calculate the distances among two given locators, or coordinates. Hover over map, specify grid, or enter latitude and longitude to show grid and/or calculate distance. Map is powered by Bing Maps.

The Ameritron AL-1200 Amplifier is in current production. In its factory configuration it uses a single 3CX1200A7 (triode) tube, grounded grid configuration. Re-tubing the AL-1200 with a GS-35b with success.

The Grid Yagi (or Grid Quad) is a high performance yagi antenna that can be built with readily obtainable inexpensive materials. Described here is a 6 element 2 meter version with a boom length of about 1 wavelength, shown

Map of italy with amateur radio prefixes and grid squares

Mapping software which links a Garmin GPS receiver to your Macintosh. Includes Maidenhead grid squares and beam-pointing maps.

PA is a JAVA software package containing several programs, SW/VHF/UHF Logbook (imports format from RADIOMAN, VMT), Log conversion to HTML format, Import and export functions for RADIOMAN, CT RES files, BV QSL Labels, CSV etc. Internet DX-Cluster support, Keeps track of your worked Callsigns, Checks your worked Grid Squares per band, Databases for worked Grids and Callsigns Uses K1EA CQWW.CTY country file, Easy command line version for terminal operation Moontracking as clock, Pathloss calculation

This grid locator map uses Google map apis to find your QTH locator by simply clicking on the map. You can either enter your QTH locator and find the calculated distance and bearing between your QTH and another grid square.

WorkedGrids is a Windows application that displays a map showing the amateur radio grid squares contacted and logged in using a third-party logging program. WorkedGrids uses colors to display information on a per-band basis. Up to four bands can be displayed concurrently by VE2ZAZ Bert

AM-6154 222MHz grid Conversion Information by N0UK

The Super Check Partial database files provide a list of callsigns used by active contesters. The data comes from Cabrillo logs contributed by contesters themselves. Contributed logs from the past 24 months are used to create the database. These logs are combined and filtered so that they result in a fairly good (but not perfect) list. The files do not contain any QSO data, such as state, CQ zone, Maidenhead Grid Locator, etc. The dta files can be used with CT, WriteLog, TRlog, SD, N1MM Logger, NA, Win-Test, and others

Ham Log Mapping software freeware for Windows, displays a map showing the amateur radio grid squares contacted and logged in using a third-party logging program by: Bertrand Zauhar, VE2ZAZ

How Vacuum Tubes Really Work. Vacuum tubes rely on hot cathodes emitting electrons and a plate attracting them to create current. A grid in between controls the current flow, enabling amplification. This article explores the nitty-gritty of how it works, including how cathode type, temperature, and electrode spacing affect the process. It explains the physics behind electron emission, space charge, and amplification factor, offering a deeper understanding than the basic principles.

DXPocketâ„¢ is a fast, stable, low-traffic, and easy-to-use DX Cluster program for Android-powered smartphones and devices. DXPocket monitors the DX Spots and Announcements available on the Internet at DX Summit web site and presents the information in a sortable grid format. With a few taps you can find a required station in the Cluster, obtain DXCC information of selected DX, send DX Spot or Announcement.

Amateur Radio - Ham Radio Maidenhead Grid Square Locator Map

Article on tubes and their usage in power amplifiers design. Explain failures of tube in RF power amplifiers, a common problem in the SB-220 SB-221, TL-922 and other amplifiers.

This large, colorful wall map features current geographic detail and labels, grid squares, call sign prefixes, boundaries and more.

Tuning Antenna Traps without a Grid Dip Oscillator, using a bit of initiative and some standard equipment a ham should have in the shack.

Supplying over 2000 different vacuum tube types, valves, grid caps, sockets and capacitors. It is easy for Antique collectors, Ham radio operators, audio enthusiasts, broadcast enthusiasts and amateur radio hobbyists to buy, sell and trade vacuum tubes, electron tubes, audio tubes, valves, grid caps, sockets and capacitors

K8GP web site, home of the Grid Pirates Contest Group.

Solar Panels, Grid Tie Systems, Solar Power Kits, Solar Cells and more. DMsolar carries solar energy products for your needs.

An online interactive grid square map made with openstreet map. Just point and click and zoom in to determine an accurate grid square locator till 10 digit resolution

A small collection of bash scripts for pulling QTH info, grid square info, propagation charts, and monitoring prop logger postings.

The South Alabama Radio Club is located in Covington County, Alabama in grid square EM61

Solar Panels Grid Tie Systems, Kits, Fountains, Chargers and more

Improve your Grid Totals by W4VHF

Python functions for converting decimal coordinates to QTH locator and backwards. Useful for program software developers to determine grid square locator, also known as maidenhead locator system.

An article that explain with simple concepts and basic theory the correct usage of antenna tuners. It covers some aspects of common questions newcomers have on what antenna tuners are for, and what antenna tuners will never do.

Have wondered why a Smith chart has such strange grid lines. Believe it or not, there is a logical progression from Speedometers to Smith charts that will make the Smith grid crystal clear.

Gridmaker takes your ADIF-file and searches for all the grids on the specified band. It then makes files for use in DXAtlas

Upload an ADIF fiel and plot all worked grids in an online map. Support filtering by band, year and can export the output directly into a google map, or a google earth KML file