SIRIO Monsoon 10 & 11 meter base antenna

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SIRIO Monsoon 10 and 11 meter base antenna


Sirio has released an affordable antenna for the serious radio amateur in 2024.

from 26 - 30 MHz for this price is therefore special.

With the radials, this antenna provides a good ground plane so that the wave can better push off the antenna and thus ensures a greater range.


Discover the power of the Sirio Monsoon antenna


The Sirio Monsoon is designed to take your communication to the next level. This 10-11 meter base station antenna combines robustness with advanced technology, making it an indispensable tool for every serious radio amateur.


Unmatched Performance and Reliability


With a coil of Ø 6 mm aluminum wire (AWG-3), the Sirio Monsoon radiates power and durability. The antenna is reinforced with sturdy PC insulation material and fins, similar to the New Tornado 2024, which ensures long-lasting performance, even under tough conditions. This antenna is built to reliably receive and transmit any signal.


Power and Versatility


The Sirio Monsoon is a real powerhouse! With a continuous power of 1000 Watts (CW) and a peak power of 3000 Watts (CW), no challenge is too big. Thanks to the advanced tuning system, adjustable between 26 and 30 MHz, the antenna is versatile and adaptable to different situations. In addition, the anti-static housing offers protection against the elements, so you are always ready to communicate.


Excellent Long Distance Connections


With a low beam angle, the Sirio Monsoon offers a superior DX experience, making long distance connections easy. Dive into the world of amateur radio and experience the power of connectivity with this exceptional base station antenna.


Discover for yourself why the Sirio Monsoon is the ideal choice for any radio amateur looking for reliability and performance


Sirio Monsoon antenna features


Frequency range: 26 - 30 MHz (tunable)


Antenna type: 5/8 λ ground plane


Gain: 1.2 dBd, 3.35 dBi


VSWR: ≤ 1.2 @ 27.2 MHz


Bandwidth: 1400 kHz ≤ 2.0


Maximum power:


Continuous; 1000 Watts (CW)


Peak; 3000 Watt (CW)


Impedance: 50 Ohm


Polarization: Linear vertical


Materials: aluminum, brass, galvanized steel, thermoplastic UV-stabilized


For mounting on an antenna mast


Suitable for mast Ø: 35 - 42 mm


Maximum wind resistance: 130 km/h


Antenna connector: UHF-Female


Radial length: 2000 mm