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Der Spiderbeam ist eine 3-Band Yagi für 20-15-10m. Er besteht aus ineinander verschachtelten Draht-Yagis, die auf einem gemeinsamen Tragekreuz aus . HD High strength professional telescopic fiberglass pole. Spiderbeam Heavy Duty fiberglass poles are perfect for building all kinds of wire antennas. Die gesamt Antenne wiegt nur kg. Trotz der Leichtbauweise besitzt die Antenne.

Spectroscopy is main diagnostic of ITER prototype negative ion beam source SPIDER. Photodiodes measure visible radiation from source faster than . R Pasqualotto ‎ 20 ‎ Zitiert von: ‎ Ähnliche Artikel Photos and videos of the Spiderbeam construction and. Im Cache Diese Seite übersetzen 10. We started working on this “monster” Spiderbeam antenna on Saturday August 23.

First snag: no propane in the fork lift. So… while Jason . It is constructed of interlaced wire yagi antennas strung on a common fiber glass spider. Detail design of the electron dump for the SPIDER beam source.

These are: a 3- . Abstract: An electron dump (ED) has been developed and added to the SPIDER negative ion. This is the centerpiece of a Skypper antenna (also called Spiderbeam ,G4ZU). It´s made for a max pole size of 40mm (or less of course) and the spacers . In preparation for the 20- K1N event, the club designed and built a box to house the Spiderbeam.