digital data

Valve Data Sheets - This web page has full data sheets for a number of commonly used valves. Most are Eimac and include the 2C39A, 3-500Z, 3-1000Z, 3CX1500A7, 3CPX5000A7, 3CX5000A7, YC156, 3CX15000B7, 4CX250B, 4CX250A, 4CX1000A, 4CX1500B, 4CX10000J etc. These are not avialable on Eimac's web site in full - only brief notes.

Antique Radio Schematics  ^updated - Specializes in antique radio schematics, circuit diagrams and service data for vintage tube radios. Carries information for American, Canadian and European antique radios.

Australian Callbook - Register of Radiocommunication Licences

LU1HCO Julio - Links to programs for digital modes, in spanish

O Site do Radioamador Priority listing - Links Nacionais e Internacionais, Caderno de Classificados da Feirinha DIGITAL, Software, Projetos dos Usu?rios e mais in portuguese

Digital Oscilloscope kit - The kit is build on a 75mm x 65 mm PCB and consists of only a few components. Kit includes comprehensive hardware details, Windows 95/98 software plus all the parts you needs to build this project.

MDXA DXCC Beam Headings - Display a current DXCC list with headings centered on your location

A World of Wireless, Radio Museum - A World of Wireless is our virtual radiomuseum. It shows the history of radio from a Dutch perspective. Learn about the early history, enjoy the nostalgia or browse our database. Our free diagram service contains 150 downloadable Philips diagrams.

ADIF Specifications - Amateur Data Interchange Format, provide a standard interchange independent of operating system or programming language for amateur data that will permit easy and direct transfer of data conforming to the standard between various amateur programs as well awards and contest sponsors.

APRS Database Access - Findu.com - Finding tool, with APRS operators informations, diplays maps and wx info

F4DAY technical website - ATV and high speed data signalling projects

Digital Monitoring Site - Digital signale transmitted in HF-UHF-VHF, in italian

PSK31 and Hellschreiber - Exaustive introduction to PSK31 and Hellschreiber by Bob Rushby

Connect two PC together with Laplink cable - How to easy connect two Pc together with a laplink cable

How to easy-build a Ethernet LAN with two PC - How to easy connect two Pc together with a Ethernet Lan

Packet Work Group - The PWGN was founded June 14, 1991. Its purpose, among others, is to maintain en renew the network and to stimulate the use of digital communication techniques in amateur radio.

SSTV for beginners - SSTV info for beginners also has links for other data modes psk31 etc and links of interest to radio amateurs

Yaesu FT-817 discussion group - Members discuss the operation of and modifications to this outstanding QRP rig that covers 160m 70cm with all modes. Site contains a large database of FT-817 FAQs and data files. Antennas, tuners, and power sources are also covered as related to this ultra-compact transceiver.

Electronic DX Press - Founded in 1995, a Club with a worldwide membership, administered from Australia. Shortwave, digital broadcasting, Australian medium-wave and FM, equipment. E-mailed "World Broadcasting Magazine", messaging forums, regular radio programs, extensive resource library.

Frequency Filer - Frequency Filer is database program designed for people who use a great many different radio frequencies. It is primarily intended for amateur radio operators, short-wave listening enthusiasts and scanner users. The program makes it easy to keep all of your important frequency information in one place, displayed in a logical format to facilitate easy retrieval. Frequency information can be displayed as a list and can be viewed on a world globe. Other features include easy data backup and custom field names. Included is database import utility that can be used as a general file conversion utility. The globe display can also be used as general geographic aid for countries, cities, states, rivers, and lakes. You may even find your home town. Windows Shareware

Atlas software for DX hunters  ^updated Priority listing - Electronic World atlas for radio amateurs. DXCC and province prefixes, CQ and ITU Zones in the rectangular and azimuthal projections, continuous zoom and scrolling, Gray Line, city and island index, unique hierarchical prefix database. COM/OLE Automation for easy integration with 3-rd party programs.

Bonito RadioCom - Decode digital and analog signals out of any high quality Transceiver or Receiver, works as a DSP-analyzing system

RDFT - HDSSTV - High definition SSTV software, Redundant Digital File Transfer

SkySpy ACARS  ^pop - SkySpy is a software program combining a decoder and a database in order to decode ACARS transmissions, the digital data link between commercial aircraft and ground stations, demod ACARS FAX METEO POCSAG HAM

Build your hamcomm interface - This is the small easy to build interface that will allow you to receive most all the digital modes on you shortwave radio.