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DUAL | PA144-XPOL-28-9 EME antenna

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DUAL | PA144-XPOL-28-9 EME antenna

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Excl. Tax: €354.92 Incl. Tax: €433.00


Superior G/T -0.79 EME and tropo Cross Polarized X-POL 2m Yagi antenna PA144-XPOL-28-9 Very high gain 144MHz EME-Tropo antenna with highest suppression of all sidelobes...

PA144-XPOL-28-9 | 28 Elements Dual polarity Super Yagi EME Antenna.

Very high gain 144MHz EME-Tropo antenna with highest suppression of all sidelobes. Wideband operation 144 - 145 MHz.



Electrical Specifications

 
Frequency Range: 144-145 MHz
Free Space Forward Gain: 16,63 dBi
Front to Back Ratio: 36 dB
3 dB Horizontal Beamwidth: 28,4°
G/T: -0,79
Nominal Input Impedance: 50 Ohm
Maximum SWR at any freq.: <1:1,2
Maximum Power Input: 2 x 1000 W
   
Matching Method: Direct feed  through RG142 teflon common mode choke.
Connector: 2 x "N"
   
Mechanical Specifications  
Boom length: 9,24 m
Boom Diameter: 40 x 40 mm different wall tickness
Element Diameter: All elements 8mm
Longest element: 1,03 m
Guy rope support: Black painted Fiberglass rod 1m OD 25mm
No. of elements: 2 X 14 (28 elements)
Element position: Slant configuration ±45deg
Turning radius: 5 m
Mounting Mast Diameter: 43 - 70 mm or square 40, 50 mm
Survival Wind Speed:   150 km/h 
Packed size length: 2,5m
Weight: 16,5 kg
   

TANT G/T -0.79:

Please look at famous VE7BQH table new issue 99 here:

http://www.antennas-amplifiers.com/downloads/VE7BQH Charts.xls

Or on W7GJ location: http://www.bigskyspaces.com/w7gj/VE7BQH%20Charts.xls

Press "VE7BQH 144 MHz Tables" ROW 256 and 257. Or search "PA144"

One of the best performing antennas on the table for its sizes.

 

PA144-XPOL-28-9 Antenna, measured characteristics with calibrated HP8753ES Network Analyzer.

Measured S11 144 - 145 MHz at antenna connector:

 

Measured VSWR 144 - 145 MHz at antenna connector:

 

One of the most important parameter in the "X" or "+" configuration of antennas is coupling.

We have measured on this PA144-XPOL-28-9 just excellent:

Better than -35 dB in the prime part od 2m band. Which is more than sufficient for any purpose.

We consider that mechanical construction is even more important than electrical parameters. That will lead to many years of trouble free operation.

Dipole, balun, balun holder and element holder construction:

Boom-to mast bracket with guy rope support XPOL Antenna PA144-XPOL-28-9

Black acrylic painted Fiberglass rod 1m OD 25 mm


Boom to mast bracket with guy rope support. Protected industrial design.




Additional Information

Brand DUAL
Free Shiping No

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