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NTA 3E-SHT

Omni AntennasNTA 3E-SHT

Short Active three-frequency NAVTEX Receiving Antenna

Description

  • Specially designed for the three NAVTEX frequencies 490 kHz, 518 kHz and 4209.5 kHz.
  • Built-in low-noise amplifier providing excellent impedance matching to the 50 Ω downlead cable.
  • Special band-pass filter based tuning circuitry to optimize the antenna for the NAVTEX frequencies and protect from possible interference from e.g. medium wave broadcast radio signals.
  • RF ground internally AC-coupled to mounting bracket preventing electrolytic corrosion.
  • Sturdy design to withstand the roughest weather and climate conditions.
  • Simple mounting using the 1” revolving nut system.
  • Wide varity of accessory mounting brackets available.
  • Junction kit for easy connection to receiver and DC power supply available (to be ordered separately).

Specifications

Electrical
Model NTA 3E-SHT
Frequency 490 kHz, 518 kHz and 4209.5 kHz
Antenna Type Active E-field narrow-band three-frequency NAVTEX antenna
3 dB Beamwidth, H-Plane Omnidirectional
Impedance 50 Ω
VSWR < 1.5:1
Power Supply 9 to 15 V DC / 20 mA
Mechanical
Connection(s) N(f)
Materials Shroud : Polyurethane-coated glass fibre
Mounting bracket : Chromed brass
Colour Marine white
Wind Area 0.013 sq. m / 0.14 sq. ft.
Wind Load 17 N (160 km/h)
Dia. At Top End 21 mm / 0.83 in.
Dia. At Bottom End 23 mm / 0.91 in.
Height Approx. 530 mm / 20.87 in.
Weight Approx. 0.35 kg / 0.77 lb.
Mounting On 1" RG (G1" - 11) threaded water pipe or on optional mounting brackets (see accessories )
Environmental
Operating temperature range -30 °C to +60 °C

Ordering Designations

Model Product No.
NTA 3E-SHT 110000235
Accessories
BCL 1-KA Junction kit 110000003

Mounting Details

 

Accessories (To be ordered separately)

EU and UK Declaration of Conformity

Hereby  Amphenol Procom declare that the product type NTA 3E-SHT is in compliance with EU Directive 2014/53/EU and
the UK Radio Equipment Regulations 2017 (S.I. 2017 No. 1206).
The full text of the Declaration of Conformity is available at:

https://amphenolprocom.com/images/shop/catalog/pdf-for-catalouges/Declaration-of-Conformity-NTA-3E-SHT.pdf

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