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G7LRR Low Band Antennas - G7LRR Amateur Radio Site,160m Helical Antenna

TLV40m antenna - Top Loaded vertical antenna for 40m Band with elevated radials

Top loaded vertical - Vertical Antenna for 40m Band with elevated Radials Top Load is a Mesh 2 x 1 meter (Netz 2x1m) enamelled wire 0.5 mm diameter (CuL 0,5mm)

Top Loaded Portable Vertical - A 3.5 Mhz top loaded vertical antenna built using 2 elevated radials by DJ9RB

Loaded Vertical for 80 Meters - Another version of the DJ8RB loaded vertical antenna

Broad Band Dipole for 80m - Mesh constructed with enamelled wire 0.5 mm diameter For installing a support (plastic rope 2 mm) is needed. Antenna used on Solomon Isl in 1995 H44/DJ9RB

This Old Dipole - An antenna construction workshop conducted at Marshall N1FN's QTH

An Unusual Magnetic Antenna - This article by OK1FOU describes how to build a relatively small loop antenna which can be placed for instance at the balcony. It is especially suitable for a two band antenna covering two adjacent amateur radio bands (10/14 MHz, 14/18, etc.)

Loop-Magnetic by Dj9RB - Magnetic Loop - DJ9RB Frequency range 2 MHz - 10,2 MHz

Quad antenna calculator  ^updated - To get the dimensions for your quad, all you have to do is type in the center frequency of the range where you talk, or the frequency you use most and then click the Calculate button.

The Lindenblad antenna - The ultimate satellite Omni Antenna by Howard Sodja, W6SHP. The Lindenblad antenna consists of four half wave folded dipoles slanted 30 degrees to the horizon, oriented 90 degrees to each other in azimuth, spaced 0.3 wavelength apart

Getting the most from your tuner - Here is how to adjust this popular tuner circuit so it transfers maximum power to your antenna without going snap

Antique Radio Page - The antique radio page is the best place to start if you want to learn about antique radios. this award-winning site features a huge image gallery with hundreds of antique radios (tube, transistor, and crystal sets), useful articles, reviews of out-of-print radio reference books, and the amazing arp directory where you can search and find antique radios on the web!

AF6P - FILAMARS of San Diego - Web page of the filipino american amateur radio society of san diego af6p. it's repeater in 2 meters and 220 mhz cover a wide range and can be accessed anywhere in san diego area.

N4EH Lake Monroe Amateur Radio Society - The Lake Monroe Amateur Radio Society serves Seminole County and Central Florida, operating two 2 meter repeaters on 147.285 +600 and on 146.805 -600

Mortality statistics in Ham Radio Community - To search for potentially carcinogenic effects of electromagnetic field exposures, the author conducted a population-based study of mortality in US amateur radio operators

Monaro NSW / Canberra Live scanner - VHF/UHF Scan from Monaro NSW and Canberra (ACT). Stream/Feed contains text-tags with frequency, which is displayed in your media-player as title/Meta-data. Recommended that you use Winamp.

DD3DJ Sound Samples - Some sound samples of received signals mainly on VHF-band

Amateur Radio Techniques - RF Filters an adjustable j-pole antenna manufacturer based in greece

Adjusting Filters for PSK31 - Screen shots of what happens when you do and don't get it right. By Dick Stevens, N1RCT, a very clear, helpfull and comprehensive document.

G7IZU QRSS information - An excellent guide to QRSS mode

FT-847 on 70 Mhz - A further study of the spurious emissions from an FT-847 on 70MHz

Fast Morse - Macintosh morse code software, Fast Morse will convert any text you enter into the original Morse code equivalent, and play it on your speakers. The speed can be adjusted to anything from 1 to 35 words per minute if your computer can keep up, allowing you to send Morse signals at a rate your friends and fellow Morse enthusiasts can follow!

Offset Attenuator for Radio Direction Finding - Instead of acting directly on the incoming signal, an offset attenuator works by adjusting the strength of an offset signal

Simple adjustable passive attenuator - This adjustable passive attenuator works as a "waveguide beyond cutoff." It can be constructed in about ten minutes from parts available locally.