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TETRA14 10152040SF

$ 3,799.00

TETRA14 SF is a multiband yagi with a super compact design and unique features.
We often see towers full of very close spaced monoband antennas. Do you think this is the best solution? Towers full of antennas inevitably interact that distort the radiation patterns.
With the TETRA14 SF this problem is overcome!
In fact, each band has its own feed connection, allowing contest stations to use this antenna simultaneously with 4 different transceiver/amplifier setups, as if each station had their own monoband antenna (use of BPF is necessary to protect your equipment). As a result, the space occupied on the towers is significantly reduced and performance is also significantly higher! The spacing of the elements has been optimized through the latest generation software to ensure the best performance.

On 40 meters it has two elements with a Reflector / Driver configuration, whose size has been compacted using loads placed at the ends. This solution, which was originally adopted by W6NL, to which our thanks go, allows the performance to be like a full size yagi although it has a reduced element length.
On 10/15/20 meters, it uses 4 elements per band with reflector, driver and 2 directors configuration.

The antenna requires 4 coaxial cables, one for each band.

Requires a rotor for medium / heavy load
Availability: 6 weeks

SKU: TETRA14 10152040SF USA Categories: Multiband, Four-band, Separate Feeds
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Description

TETRA14 10152040SF Bands 10 m 15 m 20 m 40 m
Gain dBi:
(20 meters above the ground)
14.1 14.7 13.1 11.2
Gain dBd free space: 6.4 7.1 13.1 4.5
F/B: 20 20 20 20
EActive elements: 4 4 4 2
Bandwidth kHz
S.W.R. ≤ 1.5:1
800 450 350 200
Boom Length: 1010 cm/33.13 ft
Turning radius: 930 cm/30.50 ft
Feed lines required: 4 X 50 Ohm
Max tower lift side: 90 cm/2.95 ft

Longest element:
1560 cm/ 51 ft

Power handling:
10 KW

Wind area:
1.7 m²/18.30 sq ft

Wind load 130Km/h:
1364 N

Wind survival*:
130 Kmh – 80 MPH

Tower Leg/Mast diameter: 40/60 mm – 1.57/2.36 inch (larger on request – specify on order form)

Balun:
4 x 3 Kw included

Weight (excluding packaging):
80 Kg/176 lb

Materials used

Tubes and plates:
aluminum alloy 6060T6

Hardware:
stainless steel

Insulating clamps:
Polypropylene UV resistant

Manual: English

*Wind survival is the maximum wind speed to which the antenna can be subjected without incurring permanent deformation (calculated in the absence of ice)

Additional information

Weight 200 kg

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MOMOBEAM di Giuseppe Spanò
Antennas for DXers and Contesters
C.da Berbarello 508
91025 Marsala (TP) – Italy
Tel – WhatsApp +39 393 9906980
P.IVA 02439250818

USA CONTACT
usa@momobeam.com
Phone: 603-973-5963
Mr. Mark S Pride – K1RX

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