dl grid squares

Magnetic Loop calculator - Windows antenna design program for magnetic loops antennas by DG0KW

K7MEM Center-Fed Half-Wave Dipole ( 3-30 MHz) - A Center-Fed Half-Wave Dipole is probably the simplest of antennas to construct and use. It is usually suspended between two supports, from it's end insulators, and has the feedline hanging from the center.

N6TWW 2 meter Halo - 2 Meter Halo Antenna by Mike Fedler N6TWW Including descriptions so you can build your own

Length of a Resonant Square Quad Loop - Calculating the length of a resonant square quad loop

The DK7ZB-Quadlong antenna - New type of a Quad antenna, 6.4dBd gain

CN8WW 2000 - Morocco dx pedition in 2000

DRCG: DL-DX RTTY Contest - The contest ist sponsored by the DRCG

SKANDIN - Logging program for the Nordic Activity Contest

AA1TT/B - 28.269 CLAREMONT, NH grid FN33uj

DL5DCN - German amateur radio bloh

South Georgian Bay Amateur Radio Club - an established organization that provides the services of two 2 metre repeaters, a 70cm repeater, VE testing / education, and public service assistance to the Penetanguishene / Midland community

Shoreline Amateur Radio Club - The members of the Shoreline Amateur Radio Club reside in New Haven, Middlesex, and New London Counties.

Long Island Amateur Radio Club - 575-Long Island Amateur Radio Simplex Club, Operating locally on 147.575 FM Simplex from Grid Square FN-30

W8FT Findlay Radio Club - The Findlay Radio Club was incorporated as a non-profit organization in the State of Ohio on June 9, 1956.

W5QGG Midland Amateur Radio Club

LY Hamfest - Every summer Lithuanian radio amateurs gather together to their traditional HAMFEST somewhere in a beauty spot in Lithuania. It will provide excellent occasion to meet over 300 LY hams in the same place

The Tube Center - 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

PlanePlotter - PlanePlotter receives and decodes live digital position reports from aircraft and plots them on a chart. Using PlanePlotter, you can see a radar-like display of all those aircraft around you that are transmitting the appropriate digital messages including ACARS, ADS-B and HFDL.

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

Grig Radio Control - Grig is a freeware simple Ham Radio control (CAT) program based on the Ham Radio Control Libraries (Hamlib). It is intended to be highly generic presenting the user to the same graphical user interface regardless of which radio is being controlled. Grig supports the most commonly used CAT commands that are implemented by Hamlib, and integrates well with other ham radio programs like Xlog and gMFSK. Grig has been developed on Linux, but has been ported on Mac and Windows OS.

TWPSK - A linux soundcard based PSK program by DL9RDZ and WA0EIR

RUMPed - RUMped is a logging tool for short wave for the MAC under OSX. It is not designed for the daily QSOs. Currently RUMped supports a DX-pedition mode, some major contests and a general contest mode for unsupported contests.

KWRTTY - Freeware RTTY windows decoding program in German by DGØKW, Klaus

Ameritron AL-1200 to gs35b Conversion - 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.

W2DTC Homebew RF Amplifier - Grounded grid, Cathode driven, 3CX3000F7 Triodes