COMMUNICATION ELECTRONIC
315, Vishwa Deep Building, District Center, Janak Puri, New Delhi - 110 058, INDIA
Phone: +91 11 2553 3230    Fax: +91 11 2553 3230    Mobile: +91 9868 128 127
Email: info@starantenna.com    Website: www.starantenna.com


DUAL STACKED CROSS / CIRCULAR POLARIZED ANTENNA
SCDY-45013 330-512 MHz 13.5 dBi. Gain


General:

This rugged, all weather Crossed Elements, Yagi Antenna is designed for Circular Polarization. Special mounting hardware is fixed at the centre of the yagi antenna for mounting on a round pipe of 1-1/2 inch O.D.


The yagi antenna when packed, comes with elements removed from the antenna boom for ease of packing and transportation. It can be assembled at site with use of simple hand tools. The mounting hardware supplied is of Stainless Steel.


Design & Construction:

The yagi antenna uses a GAMMA matching feed, eliminating the use of folded dipole. The antenna termination uses N-Female connector fixed on the antenna dipole.


The 90 degree delay harness cable comes with impedance matched molded joints for low VSWR and require no protection against weather.


When the Antenna is mounted on the mast, the yagi crossed elements make an angle of 45 degrees with respect to horizontal plane.


Polarization Switching:

Yagi antenna can be mounted to work as RCP or LCP selectable by inter-changing the 90 Degrees delay harness cable.


ELECTRICAL DATA
Frequency Range (MHz)330-512
Gain (dBi)13.5 dBi.
Bandwidth (MHz)8
PolarizationRCP or LCP (selectable)
Input Impedance (Ohms)50
Radiation PatternDirectional
Beamwidth HHpp (Degrees)36 (Horizontal Stacking)
Front to Back Ratio19
VSWR1:1.3
RF Power Handling Capacity (Watts)250
Input TerminationN-Female
Cable FlexibilityAZ rotation +/-250 Degrees
EL rotation 0-180 Degrees
MECHANICAL DATA
Mounting HWStainless Steel
Weight (Kgs)13
Wind Rating (KMPH)160
Overall Length (Meters)1.8
Support Boom
- Material
- Cross Section
- O.D. (mm)
Aluminum
Round
25
Elements
- Material
- Cross Section
- O.D. (mm)
Aluminum
Round
12
No. of Yagi Boom2
Mount Pipe Diameter on Rotator (mm.)50
Maximum Mount Pipe Diameter
- mm (Inches)		 52
(2)

Please Note:   1. Specifications are subject to change without any notice.
2. Customized in-band and out of band versions are available on request.


VSWR CURVE
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AZIMUTH RADIATION PATTERN
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ELEVATION RADIATION PATTERN
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