Zelfbouw Links

Sluiten VLF Projekten

Sluiten 136 kHz Projekten

Sluiten 472 kHz Projekten

Sluiten 500 kHz Projekten

Sluiten Multiband HF Projekten

Sluiten 160m Projekten

Sluiten 80m Projekten

Sluiten 60m Projekten

Sluiten 40m Projekten

Sluiten 30m Projekten

Sluiten 20m Projekten

Sluiten 17m Projekten

Sluiten 15m Projekten

Sluiten 12m Projekten

Sluiten 10m Projekten

Sluiten 6m Projekten

Sluiten 4m Projekten

Sluiten VHF Luchtvaart

Sluiten 2m Projekten

Sluiten 70cm Projekten

Sluiten 23cm Projekten

Sluiten 13cm Projekten

Sluiten 9cm Projekten

Sluiten 6cm Projekten

Sluiten 3cm Projekten

Sluiten 1,25cm Projekten

Sluiten EHF Projekten

Sluiten Antenne-aanpassingen

Sluiten Shack Accessoires

Sluiten Voedingen

Sluiten Meetinstrumenten

Sluiten µController Arduino

Junk Box Circuits

Sluiten Buizen

Sluiten Transistors 2N-Serie

Sluiten Transistors BC-Serie

Sluiten Transistors BD-Serie

Sluiten Transistors BF-Serie

Sluiten IC 74XX-Serie

Sluiten IC 74LSXX-Serie

Sluiten IC 74SXX-Serie

Sluiten IC LM-Serie

Sluiten IC TDA-Serie

HF Propagatie
RSS lezer
Bezoekers

   Bezoekers

   Bezoekers online

Zoeken




30m Projekten - Antenne's

“Safari” 40-30m Roach Poke Vertical Antenna by G3RWF
There is nothing new in this short article but it may stir a few practical ideas. My efforts are all about minimum weight since I need to get it on a plane. I have quite a few roach poles but only take one on my foreign jaunts.
https://rsars.files.wordpress.com/2013/01/40-30m-safari-roach-pole-vertical-antenna-g3rwf1-31.pdf

30m Half -Size Rotary Dipole by G3YEU
The G3YEU QTH has a long but quite narrow weed patch and there is a need to keep the arms of the dipole from encroaching on the neighbours’ air space, so mounting the dipole as a V added some valuable feet.
https://rsars.files.wordpress.com/2013/01/30m-half-size-rotary-dipole-g3yeu-iss-1-31.pdf

Klik voor vergrotingDipolo Rotativo per 30/40 Mt da IK4DCS
Dopo aver fatto la verticale per 30/40 mt,e considerandone l'ottimo funzionamento, ho voluto riprendere il discorso del dipolo direttivo, già visto all'inizio di questa autocostruzione.
http://digilander.libero.it/ik4dcs/dipolo3040.html

Klik voor vergrotingMagnetic loop by F5SWN
The magnetic loop, thus named by the use of the magnetic component of the electromagnetic field, is a parallel circuit LC. The antenna is feeded using a coupling loop or a gamma, located opposite to the capacitor.
https://www.f5swn.fr/en/?Downtown-ham/Magnetic-loop

Klik voor vergrotingMagnetic Loop Antenna by 7N3WVM
Although a magnetic loop antenna is very compact, its efficiency is close to a half-wavelength dipole if carefully built. The key point is to make the loop element with material of low ohmic resistance.
http://www.qsl.net/7n3wvm/mag-loop.html

Klik voor vergrotingUne antenne verticale 10/14MHz à trappe coaxiale de F6GLZ
Cet article traite plutôt de la manière de construire une trappe coaxiale pour une antenne verticale.
https://jclaudegerwill.wordpress.com/2018/03/23/une-antenne-verticale-10-14mhz-a-trappe-coaxiale/

Creatie datum : 12/08/2007 @ 19:30
Laatste wijziging : 08/03/2019 @ 14:36
Categorie : 30m Projekten
Pagina gelezen 24097 keren

Print deze pagina Print deze pagina

Google Ads
^ Boven ^