digi modes

T2FD The Forgotten Antenna  ^pop - "Some have called the T2FD a ""squashed rhombic"" antenna. It does bear some design similarities to the non resonant rhombic, but theoretically it is admittedly inferior. However, the T2FD performs well in a modest amount of space."

N. American Data Communications Museum - Telephony technology from telegraph to digital transmission

Packet and Stuff - Links to useful packet and digital radio resources

OH2GI Ham System - All-mode contesting and logging software system designed primarily for on-line operation of HF digital and CW radio stations through Terminal Node Controllers (TNC)

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.

C6AMS Bahamas DX Pedition 2010 - Online log and live audio from NA6M/C6AMS, N5BW/C6AMR, K2CK/C6ASH, K5AB/C6AAB and W5ETY/C6ATY will be active from Eleuthera Island, Bahamas (IOTA NA-001)(Grid FL15)9 July to 25 July 2010. Operating on 160-6m CW, SSB and Digital Modes

HF Digital DX News - Great source for digital dx news, with bullettins and newsletters.

9H1CD - basically a personalized homepage of my station including pioneer work in various modes of propagation to Mediterranean shores and to continental Europe.

rec.radio.amateur.digital.misc - Packet and other digital radio modes.

Hoka Electronics - The WWW home page for information about our specialist range of HF and VHF radio digital signals' analysis and decoding equipment.

Terrasat Inc. - Manufacturer of Receiver and Transmitter for Digital Microwave radio and VSAT equipment

Almost all digital electronics - This site is dedicated to electronics hobbyists, engineers, and Radio Amateurs interested in circuit design, homebrew and kit projects.

Getting Started with Sound Card Digital Modes - Setting your Amateur radio station up to operate the wide range of modern radio software which uses the PC sound card to generate and receive signals. Murray Greenman ZL1BPU

Olivia Modes - Olivia is a family of MFSK modes with a high redundancy Forward Error Correction system similar to MT63. General description and protocol information by w1hkj

PSK for Beginners - Article on PSK modes. PSK for Beginners Has RTTY's Replacement Arrived?

Digital Communications Conference - Hams convene each year at a Digital Communications Conference to evaluate and further the state of the art. TAPR's webserver provides conference papers from previous DCCs as well as information about the upcoming DCC.

T.A.P.R. - TAPR, an international organization dedicated to amateur digital communications, is pleased to present this collection of information about TAPR, via the World Wide Web.

WM2U Digital communications - RTTY, Amtor, packtor, SSTV reference by WM2U

Digi key - Digi-Key offers over 1,000,000 electronic components from more than 360 manufacturers.

ProsKan KA1LPA - Dual screen, supports AVT modes,16 Milions col, auto call insert facilities.

AALog by RZ4AG Priority listing - AALog is a comprehensive logger program designed for amateur radio station operators. QRZ,Buckmaster,Flying Horse lookup, CW/RTTY/PSK31 support, Digital voice processor. DXCC,WAZ,P75P,WAS,JCC,WAJA,WAIP,IOTA,Russia tracking. Many other useful features. eQSL.cc compatible. It look like your paper log and use all power your PC

MultiMode - Digital modes decoding software for the macintosh. Decodes CW, RTTY, WEFAX, SATFAX, ACARS, DTMF, SSTV

RadioRaft  ^pop - RadioRaft decodes 10 different ARQ modes, 8 different FEC modes, Packet, Baudot, CW... It works with a Hamcomm interface or a radiomodem. RadioRaft offers automatic detection of modes, speeds and shift. It comes with a frequencymeter/baudmeter included, it has signal frequency tracking and a bit by bit display mode. Very easy to use. practical and fast.

WinPix32 - Slow Scan TV for Windows 95/98 and NT, WinPix32 supports all SSTV modes in all of the active SSTV families. Commercial demo available but discontinued

40MHz Frequency Counter Module - Design for a very low cost 6-digit frequency counter module using of the shelf components