25316 11 dBi GOES Yagi RHCP Antenna with Mounting Hardware
High-Gain, Robust, Lightweight Antenna
weather applications water applications energy applications gas flux and turbulence applications infrastructure applications soil applications

Overview

The 25316 is a cross-Yagi antenna manufactured for our TX321, TX320, TX312, TX325, and SAT HDR GOES transmitters. You may also use it with the EUMETSAT and some GOES transmitters manufactured by other companies. This high-gain, robust, lightweight antenna provides you with optimum performance for all fixed-location, satellite data collection platforms (DCPs). It consists of two quadrature-phased, five-element Yagi antennae, mounted on a common aluminum boom. The antenna’s screw-in elements facilitate your shipping, storage, and field installation.

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Images

25316 antenna with mounting hardware
25316 antenna with mounting hardware
25316 antenna with mounting hardware
25316 antenna with mounting hardware attached to a pole (sold separately)

Detailed Description

Yagi Antennas

Yagi antennas are a type of directional antenna that consists of a rod pointed in the direction of the transmission/reception and several cross bars oriented at a 90° angle to the main rod. The rod's length and spacing are optimized to transmit and receive transmission in the desired frequency band.

Note:On March 10 2009 the 25316 11-dBi Yagi antenna replaced the 17751 11-dBi Yagi antenna. The 17751 antenna had replaced the 12261 9-dBi Yagi antenna on August 20, 2004.

Specifications

Dimensions 99.06 x 15.88 x 15.88 cm (39.0 x 6.25 x 6.25 in.)
Weight 2.06 kg (4.55 lb)

Electrical

Frequency 401.8 MHz (nominal)
Bandwidth 2 MHz (minimum)
Input Power 15 W (maximum)
Input Impedance 50 Ω (nominal)
SWR 1.50 (maximum)
Directivity +14.0 dBic (nominal)
Gain 11.0 dBi
Polarization Right-hand circular
Half Power Beam Width 47° (nominal)
Connector Type N female

Environmental

100 knots
Ice & Snow 100 lb/ft2
Rain 5 in./hr
Temperature -65° to +65°C
Relative Humidity 0 to 100%
Altitude -1000 to +15,000 ft MSL
Lightning Antenna and elements at DC ground

Mechanical

Pipe Mounting 3.8 to 6.0 cm (1.5 to 2.375 in.) diameter
Azimuth Adjustment 360°

Compatibility

Note:The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.

Communication Devices

产品 Compatible Note
OMNISAT-M(retired)
SAT HDR GOES(retired)
TX312(retired)
TX320(retired)
TX321(retired)
TX325
TX326

Additional Compatibility Information

Transmitters

The 25316 Yagi antenna may also be used with EUMETSAT satellite transmitters and some GOES transmitters manufactured by other companies.

Antenna Cable

The COAXNTN cable is used to attach the antenna to the transmitter.


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