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66 links

20m mini dipole antenna
This antenna project is a compact center loaded wire dipole Center loading is the most ...

[ Hits: 1962 | Votes: 4 | Rating: 9.75 ]

2 element yagi wire beam
A 2 element yagi wire beam antenna for the 20 meter band based on the ...

[ Hits: 1858 | Votes: 7 | Rating: 3 ]

Umbrella Antenna for 80 Meters - N4SPP
An umbrella antenna is basically just a vertical monopole antenna that is top loaded with ...

[ Hits: 927 | Votes: 0 | Rating: 0 ]

Baluns and common mode chokes - Dorenberg
Voltage baluns versus Current baluns When to use them differences and typical usage in feeding ...

[ Hits: 402 | Votes: 1 | Rating: 10 ]

10-80 Slinky Dipole
A slinky dipole antenna that covers almost all HF bands mede with a flexible 90 ...

[ Hits: 1378 | Votes: 7 | Rating: 6.86 ]
Folded dipole antennas: terminated vs un-terminated - N4SPP
As the name suggests it is simply a dipole with the tips folded towards each ...

[ Hits: 496 | Votes: 9 | Rating: 6.78 ]
Short Monoband Dipole Antennas - KGD Antennas - nonstopsystems
The KGD antenna is an option for those with space restrictions The idea behing this ...

[ Hits: 241 | Votes: 0 | Rating: 0 ]

Multi-band End-Fed Antenna - F. Dorenberg
An excellent guide to homebrewing multi band end fed antennas The article embed several drawings ...

[ Hits: 1107 | Votes: 6 | Rating: 4.5 ]

Chocking the End-Fed Antenna - VE3VN
Stop common mode current when transmitting with an end fed antenna Unbalanced antennas are very ...

[ Hits: 828 | Votes: 1 | Rating: 8 ]

Magnetic Loop 80-20 by N4SPP
A transmitting magnetic loop antenna that can cover from 80 to 20 meters band with ...

[ Hits: 2289 | Votes: 10 | Rating: 5.9 ]
Slinky Loop Antenna
A wide range antenna made from a toy published on a 2010 Radcom article by ...

[ Hits: 1244 | Votes: 2 | Rating: 4.5 ]

HF Flagpole Antenna - kn9b
Living in a no antenna deed restricted community sounds bad for a HAM but it ...

[ Hits: 377 | Votes: 2 | Rating: 8 ]

Short 80m center-loaded vertical - N4SPP
A short vertical antenna for 80 meters band

[ Hits: 1537 | Votes: 2 | Rating: 5.5 ]

PD9Z Sascha - Sascha - PD9Z
Hello I m glad that you stopped by In this site you will find some ...

[ Hits: 149 | Votes: 1 | Rating: 9 ]

Anatech Electronics - Sam Benzacar
Anatech Electronics manufactures RF filters for communication systems Military and commercial as well as RF ...

[ Hits: 282 | Votes: 1 | Rating: 10 ]

DX KITS - Adrian Lane
Suppliers of Amateur Radio Kits DX KITS is run by Andy Hunter G6LBQ provide a ...

[ Hits: 1346 | Votes: 1 | Rating: 10 ]

Marscomponents - xiaomo
Marscomponents is an independent distributor of electronic components Offer one stop sourcing service for ICs ...

[ Hits: 246 | Votes: 0 | Rating: 0 ]

ScopeIIR - Grant Griffin
ScopeIIR an Infinite Impulse Response IIR digital filter design tool for Windows It designs high ...

[ Hits: 778 | Votes: 2 | Rating: 5.5 ]

Sonograph Spektrum Analyzer - Christoph Lauer
Sonogram is a highly flexible audio spectrum analyzer for the analysis of sound music and ...

[ Hits: 695 | Votes: 0 | Rating: 0 ]

144 Mhz Stop band TVI filters - LA8AK
A High pass filter will not help use a stop band filter to notch out ...

[ Hits: 727 | Votes: 1 | Rating: 2 ]