design and specificatin

What tuners do - How atenna tuners works and what are real effects on feed lines and maximun power output by G3TXQ

Sugar Delta Italia - The Official Sugar Delta Italy website With all the information about the SD group in Italy.

Lazy Dog Engineering LLC - Manufacturer of software-defined radios and portable antennas

USNO Mater Clock Time - Time reference from USNO, USNO Time in Standard Time Zones,USNO Master Clock Time Animated GIF Clocks, Analog Java Clock, Compute Local Apparent Sidereal Time, Check your local System Clock vs. our Master Clock!

OH3TR ATV Pages - OH3RTR ATV Repeater, and some local ATV inventions like a two-stage 23 cm preamp.

Meteoritos y Recursos GeolĄgicos del Espacio - Spanish only website with mail list and meteor showers reports.

SWISS ATV - International and multilingual amateur television association

ON4VT sstv pages - ON4VT SSTV and personal page, includes a large software review, introduction for beginners and webcams showing sstv on the net

SPACEWARN Bulletin - The SPACEWARN bulletin is intended to serve as an international communication mechanism for the rapid distribution of information on satellites and space probes.

Celes Trak - NORAD Two-Line Element Sets, FAQ, and related informations.

Near-Realtime MUF indicator  ^pop - This is a highly informative map that can be used by amateur and professional radio communicators to determine maximum usable frequencies for any world-wide path at the indicated UTC (Zulu) time.

Popagation studies committee Priority listing - This page is about the RSGB's Propagation Studies Committee, its work, services and current projects, together with guides to where to find more about matters relating to propagation on the Internet at all levels from introductory to professional. Watch this space!

SHF MICROWAVE PARTS Co. - Microwave parts for ham radio and experimenters.

LZ1JZ QSL Print services - QSL printing service based Bulgaria and managed by LZ1JZ, offer from single color to full color qsl cards.

NA7EM QSL Card design - Offer custom design and printing of extremely high quality, very affordable, QSL Cards.

Antique Electronic Supply - Antique Electronic Supply has a complete line of vacuum tubes. We feature Svetlana vacuum tubes for amateur radio, broadcaasting and audio applications. We have over 700,000 new old stock tubes to choose from. We also have a complete line of transformers, featuring Hammond and One Electron. Capacitors, resistors, parts, books, etc. Most orders shipped within 24 hours. Major credit cards accpeted. E-mail for free catalog!

MEI Software - The file MEI-10.ZIP contains educational software to evaluate antenna arrays of up to 8 elements. Two types of arrays may be studied: 2D planar arrays (Yagi-Uda, Circular, etc., up to 6 elements) and colinear arrays (up to 8 elements.)

Antenna Maker  ^{updated  pop} - Antenna design program for Quads, Yagis, Inverted Vees, J-poles, Trap Dipoles and more.

EZNEC Antenna analysis  ^pop - NEC-2 based antenna analysis software for the amateur and professional

Yagi Sterss - A full featured, graphical, user friendly program that performs structural analysis on horizontally polarized yagi antennas constructed from round tubing. YS can work in Imperial or Metric Units, and is likely to tell you more about a yagi antenna than you ever thought you needed to know. YS has been used by commercial manufacturers and premier station builders for over a decade by Kurt Andress, NI6W

Quickyagi - This is the place for downloading the latest DOS version of Quickyagi the freeware yagi modeling program with auto-design & optimize.

EM Scientific MININEC  ^pop - MININEC for Windows is antenna modeling tool for the novice, student and hobbyist.

PacketCluster DX statistics - This program extracts statistics from a dx.dat file to show numbers of spots for each country on each band

Weather Net - Complete weather reports from USA Puerto Rico US Virgin Islands and Guam/Marianas

SSTV FAX WX Software  ^pop - A very clomplete ham radio software collection for SSTV, FAX, and WX