trap design

Antenna Basics - Article designed to answer basic questions about antennas

W0KPH EH Antenna tests - Various tests and designs, with photos of home made EH Antennas,simple and networked, and also sone CAN Antennas.

Helix Antenna - Design helix antennas with this DOS program by OH0NC

J-pole Design Prg  ^pop - J-pole Design Program V1.1 by WA2ISE

VHF-UHF Portable Yagi-Uda - VHF-UHF portable Yagi-Uda antenna design and construction notes by XE1MEX

Lino Esposito Collins Collector - Collins receivers years 1950's-1980's. Genova-Radio/Icb:20 years of work with Collins receivers. Trapani-Radio:Collins rx 651s-1. Collins Advertising 1950's-1960's.

N4UJW Ham Help Site - Learn how to be a ham. Info for becoming a ham.Antenna design and more!

Everything RF - everything RF is a web portal for RF & Microwave Engineers providing News, Design Articles, Information on new products and a component search engine which helps you find the RF & Microwave Components that are right for you.

Scanner feed tutorial - This tutorial is designed to help the average person get his scanner feed on the net pdf file

Fractus Antennas - Fractal Antennas are a new generation of multiband antennas for wireless communications. Based on a new design concept, fractal technology.

Fractal Antenna Systems - Solution to your OEM needs and can meet your design or vended antenna requirements for antennas from 400MHz to 10 GHz.

ZCG Scalar - Designers and manufacturers of radio Frequency antennas. HF - 3000 MHz TET Emtron HF Yagis, Antennas for Wireless applications, Marine antennas, Land mobile, Mobile antennas.

ATV De ik1hgi - Projects and design atv de ik1hgi Progetti, circuits, master, fotos in Italian

VA3CRA's QRP Page - This page is dedicated to sparking interest in QRP operation with topics such as projects, antenna designs, equipment, awards, and software.

Yagi-Uda - Design and optimize Yagi antennas. Ol GW Basic program for dos.

Ariel 30 - HF wire antenna design program by WB4ZYA for DOS

Discone Antenna Design - Discone antenna deisgn program by K5DKZ

Antenna Log Periodic Design - Log periodic antenna design excel sheet file download, in italian.

Magnetic Loop Designer - Magnetic Loop Antenna Design software by DK1NB

MobileLog Amateur Radio Mobile Logging - The MobileLog program is a specialty logging program designed for mobile amateur radio operators. It has been designed to allow quick entry of important information regarding QSOs. The software is primarily concerned with the logging of U.S. county information, which may be used to help work toward awards such as the USA-CA award for working all counties in the U.S.A. The data from this program may be imported into your general logging software. This sofware exports data in the ADIF (Amateur Data Interchange Format) and CSV (comma-seprated variable)

Finite difference program - This software is able to calculate the properties of odd shaped transmission lines. Particularly good in valve amplifier design, for aiding the design of transmission line resonators.

Frequency Filer - Frequency Filer is database program designed for people who use a great many different radio frequencies. It is primarily intended for amateur radio operators, short-wave listening enthusiasts and scanner users. The program makes it easy to keep all of your important frequency information in one place, displayed in a logical format to facilitate easy retrieval. Frequency information can be displayed as a list and can be viewed on a world globe. Other features include easy data backup and custom field names. Included is database import utility that can be used as a general file conversion utility. The globe display can also be used as general geographic aid for countries, cities, states, rivers, and lakes. You may even find your home town. Windows Shareware

Winlog 32  ^pop - Logging software designed solely for Windows 95/98/ME/NT4/2000. The Author G0CUZ provides this software free to use by all Radio Amateurs and SWL's in true Ham Spirit.

IZ8BLY Stream - Stream is a software that implements MFSK16 and MFSK8 modes designed by me and Murray Greenman ZL1BPU. It also offers a series of experimental modes based on FEC, interleaving and several modulation techniques (PSK, QPSK, MSK).

A 50 MHz MicroWattMeter - A design for a simple microwattmeter. Input range -75 dBm to + 5 dBm. Frequency range 2 to 50 MHz