dummy load homework

160 meter linear loaded Inverted L antenna - The total length of the inverted L is 240 feet, which is 7/16th of a wave length long. It has a 92 foot horizontal linear load section 1 foot above ground that terminates into a home-brewed parallel network tuner by KN4LF

An antenna for 7MHz local contacts - This article describes the design of an antenna for local contacts on 7MHz, including a simple and efficient matching system that presents a 50 ohm load to the transceiver.

Coil loaded dipole for 80 meters - Coil loading of an 80m Dipole for restricted space. Here's a method that may allow you to fit that 80m dipole into your suburban backyard by VK3JEG

Balun Construction - Construction and use of broadband transformers

QRP Antenna 80-40-20-15 End Fed Antenna - A long wire antenna that will load up on 80, 40, 20 & 15 meters without an antenna tuner and without balun coils

Base Loaded 160M Half-Sloper Antenna - K0EMT 160 meters sloper antenna

Antenna Measurement Theory - Introduction to Antenna Measurement by orbit /fr pdf file

HF Antennas 101 - Here are 10 tips and truisms that every ham should know about antennas, by W20QI

Analysis Of Antenna Mast Strength and Bending Stress - Calculations for determining the wind loading stress on an antenna mast. Link to a spreadsheet for calculating the mast bending stress based on wind speed and antenna cross sectional area.

D-Star Query - DStarQuery was written to provide a universal query mechanism for Icom D-STAR enabled radios with a low speed port.

Technical books online - Downloadable Amateur Radio Tube related technical books free of charge and ready to download.

Yaesu VX-2R Manual  ^updated - Operating Manual for Yaesu VX-2R pdf file size is 1417 KB

AA4DF's Consumer Electronics Repair - Look for free manuals (download) in amongst paid offerings for test equipment manuals. The freebies page also has mostly ham material. We do also sell major ham collections at pretty much close to our production and distribution costs.

RF-overload for Icom IC 746 756 series - The following transceivers can be susceptible to damage from a strong RF field (or RF-overload) IC-746 IC-746PRO IC-756 IC-756PRO IC-756PROII IC-756PROIII n1eq explain why

Yaesu FTDX-5000MP QST Review - QST review of the Yaesu FTDX-5000 provided by IV3VNY

Yaesu VX-2R Quick Reference Card - A downloadable free quick reference card for the Yaesu VX-2R in powerpoint and PDF file ready to be printed.

Ridge Equipment - Sells a broad range of Electronic Test Equipment as well as a full line of Cables, Connectors, Loads and Accessories for commercial or amateur antenna installation and repair.

USAPhotoMaps - Free Windows APRS Client with capability of downloading free aerial photo and topo map data.

D-PRS Interface - D-PRS Interface is written to provide a universal interface between APRS clients and an Icom D-STAR enabled radio with a low speed port.

AADE Filter32 - ADE Filter Design and analysis is a free for download windows program to design filters

5MhzLog - This logging application has been developed to improve the accuracy of the data being captured for the 5MHz Experiment.

HxPI Morse Jabberwocky - A translation of Jabberwocky into Morse Code. The famous nonsense poem Jabberwocky by Lewis Carroll, from Alice Through the Looking Glass, has been translated into many languages. Here it is in Morse Code, as MP3 audio files that can be downloaded. The files are at different speeds (words per minute, wpm) to suit those at different stages of learning morse code.

SigJenny - SigJenny turns your PC into a flexible and powerful audio signal generator for free. It can create multiple waveforms, sweep, fire single or repeating tone bursts. You can save your sound as a wav file, display a frequency response, use SigJenny a bit like an oscilloscope, and do a very good impression of a police car!

Ohm's Law for Dummy Loads - If you need a dummy load and don't want to spend money for it, you should read this article

Two PIC-Based Keyers - By Andy Palm N1KSN