matching section

6 meter omni halo  ^pop - This halo is made with a true Gamma Section this time and is fashioned from aluminum

Using Delta Matching on HF Beams - Using delta match with HF antennas design

Broadband receiving antenna matching - This article addresses the subject of obtaining the best signal transfer from an antenna to the typical 50-ohm receiver input over a wide frequency range, with emphasis on medium-wave (500 – 2000 kHz), encompassing the standard AM broadcast band and the 160-m amateur band.

Inductors used in antenna matching networks - Article about variometers, helipot inductors, roller inductors, binary switched inductors, Coil and Capstan by G3YNH

Delta Radio - Italian radio group, multilanguage section is available.

Power House's CB Page - A little information about me and my equipment, loads of useful links to just about everything CB radio related. Features a tune-up section for just about every PLL controled radio out there. Drop by, you won't be disapointed!

DL1IAO Stefan - HF Radio Contesting and personal information: Latest scores, station tour, DL contest records and large photo section, maps and software

ON7SA - UBA section AST - Clubstation of Belgian UBA section AST. AST stands for Aalst, the city where we're located. We participate in many international contests with our special contestcall OTxH. The x in the call is always the last letter of the current year.

DARC Lightship-Award - The DARC section Emden (DOK IØ6) is pleased to announce the issue of an award for establishing contact to those local sectione which have museum-converted lightship located in their areas

Boletin YV DX VHF - Site dedicated to DX in 50 MHz and above, published weekly every Saturday in English and Spanish, many interesting sections. Statation of the week, articles, and more.

NOLonLine - Site of the section NOL Noord oost limburg

ARI Schlanders- Sudtirol Italy - Web site of ARI section Schlanders in german and italian

ARI Firenze Priority listing - Firenze section of Associazione Radioamatori Italiani

Arkansas Section Website - Arkansas Section's information Website. A good place to find out what is happening with in Arkansas's amateur radio comunity.

QSLing and award chasing by ON4SKY - In his back office section, ON4SKY, initiates in a few articles the beginners in the art of QSLing and award chasing.

Luxorion ON4SKY website - Thierry LOMBRY, ON4SKY has developped a educational website mainly devoted to amateur astronomy but it includes also a large section dealing with amateur radio activities includes several interesting pages about radio astronomy and SETI

RSGB HF Committee - LF Band activities section

Basics of Propagation by ON4SKY - Thierry LOMBRY, ON4SKY, develops in several long articles the bascis of propagation. His website includes also a French section dealing with auroras.

Radioswl the world of radio - Ari sections, software, Marconi experiments, home-made, several link to other om-swl, by swl I1-5562/SP

DX Activities of ONL5183 - Whith more than 20 years of ham practicen SWL Thierry LOMBRY, alias ONL5183, has written several technical pages about ham activities, including propagation, radio perturbations, radioastronomy, DXing, QSLing, ham-spirit, review of material and more. This very interesting website is completed by a large French section devoted to amateur astronomy illustrated with vivid colors pictures.

atlc - Arbitrary Transmission Line Calculator. - Unix or linux programme atlc calculates the impedance of electrical transmission lines of totally arbitrary cross section.

Smith chart calculator - linSmith is a Smith Charting program, mainly designed for educational use. It allows defining multiple load impedances (different frequencies), and adding components (discrete components and line sections) in series and parallel. It plots the impedances on the screen, shows the values in table format, and is able to generate publication quality Postscript output.

Field Day Logging Program 1.2 - This program checks for duplicates (including partials), lists the sections (which change color when they have been worked), lists all contacts, writes ASCII log, dupe and summary files, and provides many current statistics by N3FJP

Lowpass filter for 5MHz - The following lowpass filter was built using the tables in the arrl manual, it is a 5 section one and seems to work ok

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.