WebBeginnen met amateurradio: welke antenne om te starten ? Antennes en masten Over zendantennes zijn al zeer veel en dikke boeken geschreven. Het spreekt voor zich dat we ons hier beperken tot een overzicht van enkele beproefde basismodellen waarmee je zonder complicaties kan starten. WebSheath current chokes close to the antenna feed point will help to preserve the radiation pattern of the antenna. Sheath current chokes closer to shack may help more against RFI. If you can, connect the coax sheath to earth at both ends and place the coaxial cable on or below ground. Share. Improve this answer.
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WebAt the opposite end of the 30" rod that is screwed into. the coil, screw a 1/4" nut about 1/2 way down on the. threads. Next screw the 1/4" x 7/8" coupling nut so it is. against the standard nut. Snug these 2 nuts together. Set. this section aside and go to the top section for assembly. 9. http://ok1ufc.nagano.cz/KV_anteny/pa0fri_ng.htm red jacket conway
Manual 160 : Isotron Antennas, The HF Equation for Success
WebSep 21, 2015 · PA3GZK's WIDE BAND ACTIVE LOOP RECEIVING ANTENNA LOOP ACTIVE antenna ricevente di PA3GZK http://pa0fri.home.xs4all.nl/Ant/Active%20antenna/Active%20receiving%20%20loop%20antenna%20eng.htm If you want more detailed information, contacts PA3GZK via email: [email protected] … WebApr 13, 2024 · So bleibt mir nichts anderes übrig, als nach einem sauberen LO zu suchen oder selbst einen zu bauen. Apropos Vorschriften: Für Sender oberhalb 30 MHz mit mehr als 25W müssen die Nebenaussendungen mindestens -60dB gedämpft sein. Eingestellt von Traumperlentaucher um 12:14 Keine Kommentare: Sonntag, 9. April 2024. WebLA6NCA's S-MATCH PA0FRI have developed this interesting antenna tuner. I have now made one myself. Has used PA0FRI description. I have made a small improvement to get better balance.. Have a Ballun at the input. The tuner is made on a plexiglass plate. This tuner gives a amazing good balancing. red jacket cooking