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Antennas Tech reference by K1TTT - Yagi Antennas, Antenna Materials and more.

Ruzber Antennas - Ham Radio Vertical HF multiband antennas manufacturers based in Spain

Davis RF - provide electronic and electrical wire, cable, RF connectors, DSP audio filters, rope, non-conductive guy cables for aerial or tower support; plus sundry aerial related parts

Belden Wire & Cable Company - Cables for any electrical application, with data sheets, comparisons, and on-line catalog.

Cable Experts - CABLE X-PERTS, INC. specializes in electronic wire & cable, and we are committed to providing quality products and excellent service at competitive prices.

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

SWISS ATV - International and multilingual amateur television association

Deutscher Amateur-Radio-Club e. V. Priority listing - German ATV Club

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

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!

A & K Graph by WN6K - Latest solar charts by WN6K, wit A & K Indexes.

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

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

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

Software by Swiss ATV - Small collection by Swiss ATV association

Windows Telnet to ComPort cross connect - This program lets you cross connect Telnet connections and ComPorts or Ethernet. It can be used as a backup connection for PacketCluster nodes or to connect a CT network to a remote PacketCluster.

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

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

Fil's Repair page - Series of comprehensive repair guides for consumer electronics equipment and other household devices

Coaxial cables attenuation charts - Coaxial cables attenuation chart

Tomi Engdahl's electronics info page - Large list of technical notes on various electronic components, and related links.

K1TTT Technical Reference Priority listing - Technical reference about Accessories, Amplifiers, Antennas, Cable and Connectors, Filters, Geography, Grounding, Gunk, Matching Networks, Projects, Propagation Info Radios, RFI/EMI, Rotors, Station Setup, Towers.