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Glowbugs Times - Homebrew Tube Projects, Vacuum Tube Data, Articles From Old Handbooks

LogView - LogView is a FREE post-contest log-visualisation tool, for analysing contest performance. It plots the QSOs in a Cabrillo-format contest-log on to one of 8 different maps by finding the position of each QSO from an online database of about 970,000 W/VE callsigns.

WA7DG Wide Area Data Group, Inc - Serving Reno Sparks Tahoe Area, Nevada USA

Cmpter Electronics  ^updated - Cmpter Electronics is specialized in designs and manufactures RF Coaxial Connectors, RF Adapters, Cable Assembly and GPS Antennas for applications in the datacom/telecom, automotive, instrumentation aerospace and defense markets.

Starman Electric - Starman Electric manufactures DataBridge wireless RF modem modules for easy point-to-point wireless data transmission of analog, digital, and serial RS232 UART signals.

G3LIV Data Interfaces - Data interfaces for PSK31 ,CW, RTTY, SSTV, FSK by G3LIV

Haredata Electronics - Haredata Electronics is your one stop shop for Power Supplies, Chargers, Battery Packs & Accessories. Power Supplies Chargers, Battery Packs , Power Supply Accessories , Haredata Electronics Limited,

Introduction to Data Communications - Roger Cooke G3LDI article on Data Communication modes

adifdev · ADIF Developers - This is a discussion group for developers involved with the import or export of data formatted according to the ADIF standard for Amateur Radio Software.

G6GVI's data transmission page - WinDRM for rapid data transmission over radio channels. A quick-start guide by Ross G6GVI and Jack G8HIK

New England Repeater Directory - New England Repeater Directory (NERD) is the most accurate and up to date amateur radio repeater database available in our region. It is maintained by local volunteers of the amateur radio community. The listings are a reflection of each repeater's true status, regardless of their coordination

TS-940S Picture and data - RigPix page about the Trio Kenwood TS-940S HF Transceiver

Yaesu FT-857 Modifications - Collection of modifications and improvements for the Yaesu FT-857

Signals - Trio Datacom, Dolectek and Yaesu Vertex Standard cb and ham radio dealer in new zealand

TAHO.EXE a source for UI-View maps - A cool add-on to UI-View, that enables to use the free datas of OpenStreetmap to generate APRS maps for UI-View in a few mouse clicks.

ADIF.org - Official ADIF Site. ADIF is an open standard for exchange of data between ham radio software packages available from different vendors.

Shortwave Listeners Log System Priority listing - Free logging software for the Shortwave Listener. No database nonsense. Just your logs accurately tracked. saved and archived.

Datasheet catalog - DatasheetCatalog.com is free an online datasheet source for electronic components and semiconductors from ST Sanyo KEC SONY Toshiba Motorola Texas Instruments, Panasonic, Microsemi, Maxim, Rohm, Fairchild, National Semiconductors and others

DataSheet4U - DataSheet4U is a free electronic engineering tool that enables you to locate product datasheets from hundreds of electronic component manufacturers worldwide.

All Datasheets - Electronic Component's Datasheet Search Site

DataSheetLocator - Datasheet Locator is a free tool that enables you to locate product datasheets from hundreds of electronic component and semiconductors manufacturers

Datasheet Dir - Datasheet directory, you can search datasheet from datasheetdir,but also choose some electronic chips by category.

Semiconductor Datasheets on the Web - A list of links to semiconductor manufacturers, including direct links to their datasheets index page

Big Dummy's Data Interface - Simple soundcard data interface for the various data modes

Electron Tubes & Valves Data - KyteLabs InfoBase - Electron Tubes & Valves Data