NTA 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).
Specification
|
Electrical
|
|
Power Supply
|
9 to 15 V DC / 20 mA |
|
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 |
|
Environmental
|
|
Operating temperature range
|
-30 °C to +60 °C |
|
Mechanical
|
|
Wind Area
|
0.013 sq. m / 0.14 sq. ft. |
|
Connection(s)
|
N(f) |
|
Materials
|
Shroud : Polyurethane-coated glass fibre Mounting bracket : Chromed brass |
|
Colour
|
Marine white |
|
Historic Brand
|
Amphenol Procom |
|
Height
|
Approx. 530 mm / 20.87 in. |
|
Wind Load
|
17 N (160 km/h) |
|
Dia. At Top End
|
21 mm / 0.83 in. |
|
Weight
|
Approx. 0.35 kg / 0.77 lb. |
|
Dia. At Bottom End
|
23 mm / 0.91 in. |
|
Mounting
|
On 1″ RG (G1″ – 11) threaded water pipe or on optional mounting brackets (see accessories ) |
Ordering Codes
| Model |
Product No. |
|
Short Active three-frequency NAVTEX Receiving Antenna |
110000235 |
PROCOM A/S reserves the right to
amend specifications without prior notice
PROCOM A/S • Smedetoften 12
DK 3600 Frederikssund • Denmark
Generated : 2026-06-27
Version 1