Hits 

Come misurare le trappole con l'analizzatore d'antenna


Studiare un sistema accoppiato d'antenne mi sono imbattuto nell'arcinoto modo di tagliare un coassiale esattamente lambda/4
post 30 Apr 2024
Come misurare le trappole con l'analizzatore d'antenna

Coils Traps Antennas Links

81



Le mie sloper per 80/160 Lunghe solo MT. 17,50
Disarming simplicity and an efficiency that is nothing short of incredible

Jar Capacitance Calculator For Coils
This calculator requires the use of Javascript enabled and capable browsers

Build an antenna for 40 and 80
With the help of the K7MEM site I learned that the dipole would be about 12 meter long

Bootstrap coax traps for antenna
The article is an analysis of an antenna trap where a coil is formed of a length of coax cable

High-Q Coil Construction Techniques
n the past I used loading coils to improve the efficiency of a short dipole on 80m. The results, however, were disappointing. The main reason seemed to be the low Q factor of the coils


40m Compact 4-Square Antenna

40m Compact 4-Square Antenna Compact 4-Square Antenna – EA5AVL The EA5AVL 40M Compact 4-Square Antenna was designed to provide excellent DX communications on the 40m band

The K9AY loop antenna for 160 and 80m bands

The K9AY loop antenna for 160 and 80m bands You don't have the space to put up a 4 beverage antenna's, an ewe or a 4-square and want 'good ears' on 160 and 80m? no problems try a k9ay loop antenna

Spiderbeam 10-15-20m

Spiderbeam 10-15-20m E' una Yagi tribanda full-size leggera, fatta di tubi in vetroresina e filo