tuning eye

IZ7ATH Projects  ^pop - Antennas, Keyer, amplifier, transverter, baluns

Remote Loop Tuning - Lyle Koehler's article on remote use of LF loop antennas for receiving purposes.

How to build a tuned loop antenna  ^pop - How can you vastly improve your Medium Wave reception? its quite simple really, all you need is 120 foot of wire, a few lengths of timber and an old tuning capacitor with which you can build the answer to every DX'ers prayers, a tuned loop antenna.

Radio Catalogue and Radiomuseum - More than 80.000 datas of antique radios, pictures and plans. European and US-Radios.

Whiskey Alpha DX group - "Formed in 1996 in the USA, the ""Whiskey Alpha"" group has members in a few different country's and is growing every day. We provide all members with a ""personalized"" QSL card design. Membership has no annual dues, and is for life."

UDY-2 Voice Keyer - The UDY-2 Voice Keyer digital voice keyer amateur radio software utility integrates many popular voice keyer features in one convenient easy to use program. Whether you're working a contest as multi op, single op, running a net, or just plain rag chewing the UDY-2 Voice Keyer has something to make hamming more fun and convenient for you.

Mariana Islands DX Association - 96 pages, 450 pictures including hams in the Mariana islands and their shacks, QSL gallery, island photos, Digital Voice Keyer software, and lots more.

Logikey K-3 - CW keyer by Idiom Press

Ham Stack - Microcontrollers for many ham radio applications including repeater controllers, beacon transmitters, keyers, antenna switches, battery monitors, etc.

Amateur Radio Products - BullDog Iambic keyers, memory keyers, beacon boards, interface cables

ElectronicsUSA.com - Manufacturers of a growing line of Amateur Radio accessories, electronic kits, and unique gadgets including Whiterook morse keys and keyers

DXKEY Automatic - Interactive CW Keyer the best for DXers

CW TOUCH KEYER - Morse Code ultra lite touch paddles and keyer, Touch Paddle plus built-in electronic keyer

New Communications Solutions - NCS is committed to bringing new and innovative products to the amateur radio market. Produce Auduio Switch, Multi-Switcher lets you switch all operator equipment microphone, headset, keyer, foot-switch, Footswitch, Speakers

Radio Adventures - Design and manufacturing of electronic components, kits, and accessories for the amateur and commercial communications. CMOS Keyers, W1AW receivers, PC borads kits

MultiKeyer - MultiKeyer is a computer keying program that supports both CW and Phone messages: CW EME Auto mode sends timed CW messages for EME and Meteor Scatter operation CW "Contest" mode sends Auto CQ, plus preprogrammed messages Sequenced Phone mode transmits prerecorded .wav files for Meteor Scatter operation Auto Phone mode transmits prerecorded .wav files for contest operation

Hellschreiber beacon project - This web site describes a low power beacon system to be used for propagation and performance tests on the lower bands. The beacon offers CW (on-off keyed) modes and FSK modes; the traditional Morse ID mode, and Feld-Hell, another highly noise immune CW mode.

DOMINO - new MFSK mode - A new MFSK mode with IFK by ZL1BPU and ZL2AFP.It is a simple Amateur Radio mode for keyboard QSOs. domino provides digital chat-mode operation on the HF bands, using the well respected sound card technique. Domino will handle TX/RX offsets and mistuning of 200Hz with ease, and will provide perfect copy of drifting signals up to 200Hz/minute!

WinWarbler - A free soundcard application supporting PSK31, PSK63, RTTY, CW, and Phone operation. It can decode all PSK QSOs within a 4 KHz segment, maintaining a sorted list of heard callsigns; it can simultaneously decode RTTY via soundcard and an external modem, generates CW directly or via WinKey, and includes a voice keyer. WinWarbler interoperates with the free Commander, DXKeeper, and SpotCollector for transceiver control, logging, and spotting.

FT736 - Tuning control of the Yaesu FT-736R multiband VHF/UHF transceiver.

EZSSTV - Freeware SSTV program by WB2OSZ, Automatic Calibration, Automatic Fine Tuning, Widest Variety of File Types

VoiceKeyExpress - Turns your PC's sound card into a powerful and versatile digital voice keyer. Commercial by n7qjp

Opto Coupler for Keying - Isolating traceiver and your computer with an opto-coupler component

Tunekit - Filter Tuning Kit for Windows is a electronic filter synthesis program and a practical filter tuning aid for actually designing and building a working filter

Simple CMOS elbug - It is a simple electronic keyer that proved to be reliable, precise timing and no own phantasy by OK1DX