TETRA14 10/15/20/40 SF

$ 4,990.00

40 SF

Name: TETRA14 10/15/20/40 SF
SKU: TETRA14 10-15-20-40 SF
Price: 4990.00 USD
Availability: InStock

$ 4,990.00

TETRA14 10/15/20/40 Separate Feed 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 Separate Feed 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!

On TETRA14 Separate Feed 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.

TETRA14 10/15/20/40 Separate Feed comes with an Assembly Tool and spare parts (bolts and a pair of aluminium tubes).
N.4 3kW RF Choke balun is also supplied as standard. This component is very expensive and many antenna manufacturers supply it as an optional extra.

Requires four coaxial cables, one for each band
Requires a rotor for medium/heavy load

RF choke:4X 3kW included

Availability: 8 weeks

For US market:
more questions? call Mark K1RX

603-973-5963 |
contact him by WA |
send an email

SKU: TETRA14 10-15-20-40 SF Categories: 4Ub-5060-four, Antennas, Multiband, Four-band yagi, 4Bal-3kW-four, Separate Feeds

Description
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Description

TETRA14 10/15/20/40 SF	10 m band	15 m band	20 m band	40 m band
Gain dBi: (20 meters above the ground)	14.1	14.7	13.1	11.2
Gain dBd free space:	6.4	7.1	6.05	4.5
F/B:	20	20	20	22
Active 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:	920 cm/30.20 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*:
160 Kmh – 100 Mph

Tower Leg/Mast diameter: 50/60 mm – 2/2.36 inch
(larger on request – specify on order form)

RF choke**:
4x 3 KW included

Weight (excluding packaging):
115 Kg/250 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)

**The Momobeam RF Choke (standard product offering, rated at 3 KW) is made from high quality Teflon dielectric, double shielded, low loss coaxial cable with properly selected ferrite material that is sleeved over the cable that together, create a high impedance path for RF, providing high isolation between the antenna and coaxial feedline.

An SO-239 female connector is included for convenient attachment to the customer feedline and its PL-259 Male connector.

The 5 KW and 10 KW rated RF chokes (optional purchase) are made from the same materials except the coaxial cable is 10 mm diameter.

The 10KW version uses a 7/16 DIN style connector.

Get the manual