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2 meter Superior G/T -0.79 EME and Contest XPOL 2 meter Yagi PA144-XPOL-28-9BGP
Extreme gain for EME – Q65 MAP65 on 144 MHz. Highest possible suppression of all side lobes. 2 x 14 elements Yagi.
100 W with this 2 meter XPOL antenna is enough to work many EME stations
|Frequency Range:||144 – 145 MHz|
|Free Space Forward Gain:||16.63 dBi|
|Front to Back Ratio:||36 dB|
|3 dB Beamwidth:||28.4°|
|Nominal Input Impedance:||50 Ohm|
|SWR Across Entire Band:||< 1.2|
|Maximum Power Input:||2 x 1500 W|
|Matching Method:||Direct feed through RG142 teflon common mode choke.|
|Connectors:||2 x “N”|
|Boom length:||9.24 m|
|Boom :||40 x 40 mm different wall thickness|
|Element Diameter:||All elements 8 mm|
|Longest element:||1.03 m|
|Guy rope support:||Black painted Fiberglass rod 1m OD 25 mm|
|No. of elements:||2 x 14 (28 elements)|
|Element position:||Slant configuration +-45deg|
|Turning radius:||5 m|
|Mounting Mast Diameter:||43 – 70 mm 1-1/4″ – 2-3/4″|
|Survival Wind Speed:||150 km/h|
|Transportation Packed Size Length:||1.5 m|
|Net Weight:||15 kg|
TANT G/T -0.79:
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-28-9BGP Antenna, measured characteristics with calibrated HP8753ES Network Analyzer.
Measured S11 144 – 145 MHz at antenna connector:
Measured SWR 144 – 145 MHz at antenna connector:
One of the most important parameter in the “X” or “+” configuration of antennas is coupling.
We have measured it on this PA144-XPOL-28-9BGP just excellent:
Better than -35 dB in the prime part of 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.
Black acrylic painted Fiberglass rod OD 25 mm
Boom to mast bracket with guy rope support.
Click here to look up all 2 meter antennas: 2 meter antennas
|Dimensions||149 × 19 × 18 cm|