dl grid squares

Open-wire Feedline - Homebrew Light-weight Open-wire feedline for Portable Ops by N5ESE

A Tree Friendly 2 Meter Halo Antenna by KR1ST - Article on a 2 and 6 meters halo antennas that does not require a mast has a very low part count and can easily be built with a minimum of tools.

Magnetic loop for 40 meters - Mag Loop aerial for 40mtrs. Diameter is 3 Mtrs. Rotator and tuning with pictures.

UHF Yagi for AO-40 - Based on DL6UW Yagi antenna's design-formula The forward gain is 13.6 dBi (about 11.5 dBd) and it's pretty small, about 1,5 m in length

The N9RET beacon - Located at grid square EN61bu, in the heart of West Suburban Chicago, Illinois

K3BSA, SPARK Lodge, Cradle of Liberty Council, BSA - An organization of Scouts and Scouters that provides program assistance to the Cradle of Liberty Council, BSA through amateur radio and other aspects of science and technology.

The Nittany Amateur Radio Club - The club is based in State College, Centre County, Pennsylvania, the geographic center of the Commonwealth, in the middle of the Allegheny Mountains.

W9EBV Fond du Lac Amateur Radio Club

Knoxville Hamfest & Electronics Exposition - The friendly hamfest that brings hams and dealers together to learn, socialize, and buy/sell equipment. Kerbela Temple

QRPproject - QRP and Homebrew HAM Radio by DL2FI and DL7NIK QRP Made in Germany and more QRP Kits, qrp transceivers, accessories, mini keyers dealer for antennas, atu and more accessories

Fortis Wind Energy - Fortis is the world leader in design and manufacturing of high performance stand alone and grid connected wind turbines in the range from 800 watt up to 10 kw.

American Morse Equipment - Providing quality products to Amateur Radio Operators, morse keyers, portable paddle.

WorkedGrids - 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

QTH locator or Map square with Google Maps - Based on Google Maps displays corresponding QTH grid square or helps to find one by pointing on the map.

D-STAR Callsign Calculator - This is a user-friendly web page based D-STAR call sign calculator that requires no installation or configuration to use.

D&L Antenna Supply - World radio users and general public you will find Radio equipment/Accessories/unique high tech items at this site including items for emergency preparedness.

Mendelsons - Mendelsons handles surplus & liquidation inventory

Beacon Light - A simple beacon monitoring program for windows by DL5SWB

THROB 2.5x3.3 - Freeware Experimental-Program 9-Tone-MFSK with sound card

W2IOL GCGC Distance/Bearing - Freeware dos and linux command line executables to calculate grid great circle/geodesic distance, azimuth/bearing and MUF calculator by W2IOL

DXFile - Windows shareware logging program, offer several features like packet radio interface, web cluster, grid square, beaming directions, qsl manager lookup, dx spot filtering by F6GQK in french.

KC9L PSK - KC9L PSK is a free PSK31 program based on AE4JY’s PSKCore DLL. It supports 5 RX channels, full duplex operation, and more. Even if it's development has been dismissed, is a good tool for windows 95/98 pc.

GPSLocator - Use a pocketpc with serial or bluetooth GPS to calculatethe grid locator y IW2BSQ

mini dB Calculator - dB-Calculation for the experimenting radio amateur.

Economical keyer - Using the PicoKeyer chip. Features a 60 character memory, setup & message entry using a paddle and no battery is required to retain the memory.