new tubes

6 element UHF Yagi antenna - A standard 6 elements design scaled for UHF application. All material used in this project are easily obtainable tubes and rods which is limited within a total budget of $18.

Log Periodic Dipole Antennas: TITANEX DLPD-15 - Review of the DLPD 15 is a log periodical dipole antenna with 15 elements made with state-of-the-art technology.

Building the G3TXQ Hex Beam - This site provides guidelines to build a G3TXQ broad band hex beam R.F. antenna for the five amateur radio bands, 20, 17, 15, 12 and 10 meters. The G3TXQ broad band hex beam is a new development and actually easier to build than the classic hexbeam by K4KIO

Low Band Monitor - The Low Band Monitor is a monthly twelve page newsletter edited by Lance Johnson, that was introduced in April of 1993. The main objective of this newsletter is to promote Low Band DXing on the 1.8, 3.5 and 7.0 mz. Amateur Radio Bands

North East Wisconsin Communications Network Priority listing - N.E.W.Comm Net is a (G.M.R.S) General Mobile Radio Service System and Network of fixed and mobile radio communications operators in northeast Wisconsin.

ST2NH's Radio Amateur Blog - ST2NH blog - first ham blog from africa fatures QRP,Homebrew,news,links

Pueblo West Amateur Radio Club - News from Pueblo West Amateur Radio Club, Pueblo West, Colorado

Newton Amateur Radio Club - A dynamic site for ham radio information in central kansas

Austin Amateur Radio Club - Austin Area Amateur Radio Club W0AZR is an ARRL affiliated radio club that serves Austin, Minnesota

K8TIH Wood County Amateur Radio Club Priority listing - Wood County Amateur Radio Club (WCARC) serving Northwest Ohio. Meeting information, newsletter, repeater list, and resources for Hams in Northwest Ohio.

W7AZ Tri-Cities Amateur Radio Club - Kennewick, Pasco Richland

ICQ Podcast - ICQ Podcast The home of the Premier Amateur Radio Podcast, podcasts, forum and Amateur Radio News and views.

Newcastle Scan, Live Scanner - A live stream of radio scanner, You will Emergency Services, Police, Fire, Ambulance, Rescue, Transit officers, plus non ES like transport, media, taxis, couriers, buses, security just about anything. From Newcastle Australia

DK9SQ Antennen - Walter Spieth Antennen offer, Duoband-Portable-Log. Periodic 2m/70cm, Vertical-Loop-Antenna,10-40 Meter and PortableW3DZZ-Antenna as well as fiberglass tubes

Midwest Unlimited - Sell over 100,000 products and components from more than 500 major manufacturers and is continually adding new lines for various applications, including Tower and Steel Erection

What can D-STAR do for me? - Introduction to D-STAR features and advantages that this new technology can bring to you.

ARHAB Launch Announcements - Ham Radio Balloon launch news

New England Historical Radio Society - The New England Historical Radio Society Inc. is an organization dedicated to the preservation of commercial Morse Radiotelegraphy on medium and high frequency.

Keplerian Elements - Keplerian elements are the inputs to a standard mathematical model of spacecraft orbits.

Current Ham Radio Satellite Status - AMSAT Operational OSCAR Satellite Status Summary list Operational , semi-operational, non operational and future launch status of all current amateur radio satellite

AO-51 Monthly Schedule

Enable Low Cost RF Power Amplifiers - A new paradigm for low cost, reliable RF amplifier ‘pallets’ has been enabled by new circuit design, manufacturing and thermal management techniques

Highly linear rf power amplifier design - The need of high linearity is one of the principal drivers in the design of power amplifiers for new generation applications

Power Gride Tubes - Article on tubes and their usage in power amplifiers design. Explain failures of tube in RF power amplifiers, a common problem in the SB-220 SB-221, TL-922 and other amplifiers.

New Generation Beacon Driver - As used on the new GB3VHF 144.43MHz Beacon