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Build A Tin Can WiFi Antenna - Build a tin can waveguide WiFi antenna in one hour. Then put it on a 18" inch direct tv dish. No coax signal loss. Use a USB device on antenna. Complete instructions to build this powerful wlan antenna

Yankee Alpha Zulu - Gruppo Radio DX Y.A.Z. Treviso Italy

Metro Amateur Radio Club - Chicago area amateur radio club

B.A.R.A. Hamfest - Bakersfield Amateur Radio Association Ca

YZ1PWK Petrovic - YZ1PWK personal web site

W3LAP - W3LAP ham radio web site

Tigertronics, Inc. - Packet/telemetry modems, GPS tracking, sound card interfaces

FF Systems - manufactures and sells repeater controller products and accessories

Computer Automation - Manufacture microprocessor based repeater controllers

CIA World Factbook - Country maps and flags and detailed informations about almost all countries of the world

Satellite Frequency list - Satellite frequency list from 3 to 8475 Mhz

Kenwood TS690S - Expanding frequency coverage, transceiver Labtest by Christoph Petermann DF9CY

Batteries America - Online store for most of ham radio transceivers including ADI Alinco Icom Kenwood Standard Uniden Yaesu Prume and radio shack

MacDoppler - MacDoppler and MacDopplerPRO 3D satellite tracking and station automation software for Macintosh by Dog Park Software Ltd.

MacEME - Realtime moontracking for moonbounce enthusiasts EME

MoonSked - Moon tracking for Mac and Windows for EME

MacSchedKeeper - Macintosh Rig Control for Kenwood TS-50

RCKRtty - Commercial windows RTTY Program, RCKRtty is a comprehensible program for logging and administration of RTTY, PSK31, Pactor, Amtor and CW-QSO's with simultaneous control of transceiver and real-time operation with Packet-Radio. RCKRtty supports normally QSO-operation and a full Contest operation, with maximum data security. Price Euro 45 by Walter Dallmeier, DL4RCK

TrueTTY Priority listing - Program for amateur radio digital communications via a sound card. Supported modes are RTTY (Baudot code), ASCII (7 or 8 bits), PSK31 (BPSK and QPSK) and AMTOR-FEC (SITOR-B, NAVTEX). SELFEC SITOR decoding is possible also. No additional hardware required, need only a sound card. Optionally you can use simple circuit fo PTT-control. Can cooperate with RZ4AG AAlog logger.

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

TrakSat WinTrak - Wintrak and traksat, satellite tracking software

Astrolock - MSDOS astronomical clock and celestial tracking program with navigation features

Spectrogram  ^pop - Shareware dual channel audio spectrum analyzer for Windows 2000/XP which can provide either a scrolling time-frequency display or a spectrum analyzer scope display in real time for any sound source connected to your sound card. Can be used for MTHELL, QRSS and DFCW by R S Horne

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

50 MHz Transverter idea - Complete 144/50 MHz transverter with GaAs Fet LNA and 400 mW out. No printed circuit board. Schematics and images by Christoph Petermann DF9CY