• Base station antenna, omnidirectional high power handling capability low radiation angle Equipped whit excellent multi element ground plane protection from static discharges DC-ground made of aluminum alloy 6063 T-832 Type: 5/8 ground plane Frequency range: tunable from 26.4 to 28.2 MHz Max. power: 1000 Watts (CW) continuous 3000 Watts (CW) short time Feed system / position: Transformer DC-ground / base Connector: UHF-female.

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The most modern technology and the most advanced instruments
have been used for realization of SIRIO 827, the new base antenna
with remarkable characteristics. It is made of silicium magnesium
aluminum tubes of big dimensions drawn and cemented on the
surface to get the maximum strength of the main whip. The coil,
made of enamelled copper wire of big section, has been specially
planned in order to bear high powers. It adopts the exclusive
System C.A.C.S. (coil auto-cooling system) which allows the
auto-cooling by a finned support that keeps the coil hanging up
allowing the air circulation. Engineered with the most advanced
available technologies it is completely manufactured in Italy
with high quality materials. The new design of the radiant
element (patent pending) works like a central feeded dipole so
all RF currents on the radiator are in-phase and the ground plane
radials are not necessary. The coaxial coil at the bottom works
like RF-choke for the optimum decoupling from mast and feeding
line. Made of telescopic fiberglass tubes, it is DC-grounded for
the best protection from static discharges.