Status QUAD: 2/4/5 StQ 7, cubical quad
2 elements 40/30
4 elements 20/17/15
5 elements 12/10
2/4/5 StQ 7 3.990,00 €
(VAT 22% included)
(VAT 22% included)
Table EZNEC simulation, gain and F / B in free space
and real space to a wavelength from the ground
Technical specifications
Feed specification*
*the power supply can vary according to the type of installation
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:Optional: Kit 4 elements quad for 50Mhz band 235,00 € (iva incl.)
On the same boom of this quad, you can apply the Kit for 3 elements
quad on 50 Mhz band. The electrical features can be found on the
related page of this kit: 4 StQ 50 Kit
Adding this kit you will have a quad eight bands full size on the same just
one boom.
On the models with 4 and more elements, we use an horizontal tie-rods kit, to prevent bending in the horizontal plane. In the very long antennas this kit is absolutely essential to have no problems in crosswind conditions.. It is provided a central aluminum plate on which is applied an aluminum tube 3 mt long; this pipe connect the tie rods Kevlar. All it made of stainless steel and alluminium.
A "loop tie-roads kit" is also provided for the elements with 40/30 mt band; inside the three elements with the 40/30 bands was inserted a loop consisting of 3mm Mastrant braid, in this way it is avoided to stress the various loops with the movements of the VTR rods in strong wind conditions. In addition to this, the elements are joined together, always using a 3 mm braid of Mastrant, and then fixed to the boom, which for this need is extended with 3 meters of aluminum tube diameter 40mm. All this gives stability of the pipes in adverse weather conditions.
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