If that process has taken a long time it may be difficult to push the trap out of the case. That has never happened during the more than 40 years that I did maintenance on the antennas. Hallo, mijn naam is Ruud Driessen. Remember when replacing the traps that the coils with the least windings are for 10 m. Further in this article describes how with a dipper the dismantled trap is measured.
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Virn IK3LMA wrote about this subject: Momentary more power is possible, but if they are oxidized or contaminated by insects, arcing may occur. The traps are made with soft aluminium wire. The shrink tube has a shrinkage ratio of about 3: The revited joints are not always perfect and together with the aforementioned crystallization create a frtizel contact or even a break.
In den letzten 20 Jahren hat sich viel in der Antennenentwicklung getan. Took me some 4 weeks to clean all aluminum and traps inside too. This antenna works like a killer for me. Sofern wir Dritte mit der Verarbeitung von Daten auf Grundlage eines sog. Seite 1 von 2. The traps of this antenna are qua, construction, size and number of turns identical to that of the next vertical antenna GPA Top left shows what happens when the old model balun is overloaded with too much power or if a FD3 is used for 80 m and a FB4 used for m.
Es sind 18 Seiten, aber alle brauchst Du nicht. The 10 m traps of both antennas were identical in terms of construction, etc. Radiator — Reflektor mm. Drilling of the rivets and replaced by stainless steel bolts and nuts fritzfl the surest way to be spared from future malfunction of the traps. My Subscriptions Subscriptions Help. Das neue Forum ist zu erreichen unter: For an antenna which has been in operation for close to 30 years, the wear and tear is negligible; proof of good workmanship.
Of the latter, the length depends on the year of production. For example the antenna resonates only on two bands, but does not work on the third one. Abstand Reflektor-Strahler 2,90m und Strahler-Direktor 1,90m. Vy 73 de Eckart. Received this antenna from a ham who had had it up for over 20 years. Gehe zu Seite Never mind about the floppy balun. Even dirt will not stick easily on the outside. Can hear things like never before. Damage due to a dirty vintage trap and power exceeding.
They should assembled directed to the feed point of the antenna. If you have any questions, problems, or suggestions about Reviews, please email your Reviews Manager. Der Begriff reicht weit und umfasst praktisch jeden Umgang mit Daten. Because weather the grey colour of the caps become almost white. Assembling is much easier, because the holes are drilled and everything is fixed with screws.
Gib mir Tage Zeit und eMail The antenna tube for 20 m connected to 15 m trap is not removed. That means without cover and some with a not to dismantle antenna tube. I used it on quads overe there and it was wonderful. Related Posts
FRITZEL FB 33 PDF
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FRITZEL FB33 PDF
The contact is apparently sufficient for the current fritzzel 15 m coil for the 20 m bandbut insufficient as parallel circuit trap for the 15 m band. By measuring the resonance it is part of the total capacitance. Because weather the grey colour of the caps become almost white. For an antenna which has been in operation for close to 30 years, the wear and tear is negligible; proof of good workmanship. The contact surface is 45 times increased compared with a wire eyelet plus rivet. Received this antenna from a ham who had had it up for over 20 years.
Auswahl von Hardware, Software sowie Verfahren, entsprechend dem Prinzip des Datenschutzes durch Technikgestaltung und durch datenschutzfreundliche Voreinstellungen Art. Momentary more power is possible, but if they are oxidized or contaminated by insects, arcing may occur. The production of antennas by Mr. Even dirt will not stick easily on the outside. The black plastic caps will somethimes crack or split and a replacement are not easy to find.