digital data

Beverages: How Short Can They Be - When we think of Beverage antennas, we automatically think of several acres of land and lots of wire!

Laselki.net - Arab Amateur Radio Forum - Arab Amateur Radio orum. Transceivers , Antennas, Educational, Software, Digital Communication and more.

Eventide Inc. - extensive line of digital voice logging recorders, instant recall recorders, and accessories for use by communications and broadcast professionals

DCI Digital Communications - Band pass filters, for radio frequency interference problems.

CES Wireless Technologies - CES Wireless Technologies manufacturer of Mobile information Systems including Dispatch and Mapping Software, GPS, AVL, Mobile Data Display Terminals, ANI, CTCSS, and Microphones

EZMaster by HamRadioSolutions - EZMASTER the all mode all in one interface. USB/Parallel/Serial Device. Include 75 sec Digital Voice Keyer, K1EL Winkey CW Keyer, SO2R switching, two radio interface, two RTTY audio insulated ports, two flexible Antenna Switch control. Ideal for Contesting, SO1R, SO2R, field day and daily activity. Compatibile with all software on the market : CT, CTWIN, TR, NA, WriteLog, N1MM, WinTest, MMTTY, MIXW and more .

Channel Master - Low cost, reliable rotor with digital display remote control.

C.A.T.S, Rotor Doc - Manufacture CATS antenna rotator and digital controls. Service, stock, and provide parts for top quality AMERICAN-MADE antenna rotators from companies such as Alliance, C.A.T.S., CDE/Hy-Gain, and Channel Master, both young and old.

Digital Smart Antennas DiSA - Digital Smart antenna (DiSA) Automatically Adjusts over a wide band of frequencies.

Digital Radio Box - DiRaBox Digital Radio Box PC-controlled Shortwave Receiver for Software Defined Radio. The shortwave spectrum offers worldwide reception possibilities like broadcast and amateur radio.

Wavenode SWR and RF wattmeter - The WN-1 is a precision RF Watt, SWR, and DC Meter to digitally monitor your amateur radio and emergency communications stations.

Digital Voice in Amateur Radio - John DeGood NU3E, explain priciples of trasmitting digital voice using ham radio devices

Ham radio digital modes  ^updated - An introduction to PSK31, MT63, and Hellschreiber, John DeGood NU3E Trenton Computer Festival in PDF

Mixed-Mode Operation on Voice Repeaters - Mixed-mode operation, where voice and digital transmissions are used in turn on the same frequency

CES Product Manuals - CES Wireless Technologies is a world leader in the design, manufacture and implementation of Wireless Signalling products - Including GPS, AVL, MDT's, Mobile Data Terminals, CTCSS, and Microphones

ACARS VHF Data - The first of a series of articles that provide an introduction to the latest ICAO defined digital communication modes, including VDL modes 2, 3 and 4. In this edition we begin with the current ACARS application then bring this up to date with AOA.

Tecra Tools - Tool Kits, Tool Cases, Datacom Tools, Telecom Tools

Spy Numbers Database Search Form - Search for recent spy numbers listening or add your loggings.

HFCC Public Data - Operational Schedule, available for free download

Nec2Go - Powerful antenna modeling tool using NEC 2 computing engine. Nec2 specifically provide users, either those experienced with the Nec2 processes, or for those who are neophytes but want to model their own antennas. Nec2Go uses a simplified process for defining the antenna structure and then providing view of the structure, plots (2D and 3D) and other significant data that is pertinent to the design. This simplified process uses an edit file with equations for all definitions.

RodLog HAM radio logging system - A site about RodLog, a HAM Radio logging system to replace the paper logbook and allow fast searching and analysis of the data.

SV2AGW Packet Engine Professional - This is a brand new program based on the well Known "AGW Packet Engine/ AGWPE". It is a special Windows utility for amateur radio packet users that interfaces multiple packet programs and multiple TNCs (Terminal Node Controllers) / modems: lets one TNC be used by more than one packet program, lets one packet program use more than one TNC, lets your sound card be used as a physical TNC or modem, no need to buy a TNC , has an optional 'TCP/IP Over Radio' feature that lets you send TCP/IP data sentences via packet to internet gateways

Datasheets DB - CBTricks Datasheet Database, Capacitors, leds, inductors, realys, resistors, tube and diodes

WV7U.com - Hank's Amp Pages - WV7U's YC156 and 3CPX800 amplifier projects. Everything you wanted to know about using the YC156 or 3CPX800 in a ham radio linear amplifier. See pictures, schematics, test data, links, and more!

Rig to Soundcard Interface by M0UKD - Practival project that contains two isolation transformers, one for AF from the tranciever to the line in on a soundcard, and one from the audio out of the soundcard back to the mic / data input of the radio. Both of which are variable inside the interface via two preset resistors.