2 meter world best G/T Yagi on 9 meters boom antenna PA144-14-9BGP
World Best of the Best 2 meter Super Yagi Antenna in the class of 4.23λ (8.8 m).
Wins all antennas in the range of 8.8 to 9.7 meter boom.
| Electrical Specifications | |
| Frequency Range: | 144 – 145 MHz |
| Free Space Forward Gain: | 16.3 dBi |
| Front to Back Ratio: | 36 dB |
| 3 dB Horizontal Beamwidth: | 30.2° |
| 3 dB Vertical Beamwidth: | 32.2° |
| G/T for Tsky=290K-Tearth=5400K | -3.17 dB |
| Polarization: | Horizontal |
| Nominal Input Impedance: | 50 Ohms |
| SWR Across Entire Band: | < 1.2 |
| Maximum Power Input: | 1500 W |
| Matching Method: | Direct feed through common mode choke (current balun) |
| Connector: | “N” |
| Maximum Power Input options (by order) | |
| “E” 7/16 DIN Input connector SM250 Teflon balun cable: | 2000 W (PA144-14-9BGE) |
| “EX” 7/16 DIN Input connector RG115 Teflon balun cable: | 5000 W (PA144-14-9BGEX) |
| Mechanical Specifications | |
| Number of Elements: | 14 |
| Element Diameter: | 8 mm Aluminum tube |
| Dipole Diameter: | 8 mm Hard Copper tube |
| Longest Element: | 1040 mm |
| Element Mounting Position: | Below the Boom |
| Balun and Connector: | Included |
| Boom Length: | 8.85 m |
| Boom Size: | Tapered Boom 40×40 mm, 30×30 mm, 20×20 mm |
| Number of Boom Pieces: | 7 |
| Guy rope support: | Yes, Included |
| Mounting Mast Diameter: | 43 – 60 mm 1-11/16″ – 2″ |
| Clamp: | M10 Stainless Steel |
| Survival Wind Speed: | 150 km/h |
| Net Weight: | 11 kg |
| Gross Weight: | 12.6 kg |
| Transportation Length: | 1.5 m |
Radiation Patterns for Single Antenna:
Azimuth Radiation Pattern.
Elevation Radiation Pattern
Stacking Distances for G/T Reference Tsky=290 K Tearth=5400 K
| Horizontal: | |
| 2 Antennas | 4.10 m. Gain 19.22 dBi (+2.92 dB), G/T -6.23 dB |
| 4 Antennas | 4.20 m. Gain 22.23 dBi (+5.93 dB), G/T -3.17 dB |
| 8 Antennas | 4.20 m. Gain 25.22 dBi (+8.92 dB), G/T -0.14 dB |
| Vertical: | |
| 2 Antennas | 3.90 m. Gain 19.23 dBi (+2.93 dB), G/T -6.26 dB |
| 4 Antennas | 3.90 m. Gain 22.2 dBi (+5.9 dB), G/T -3.15 dB |
| 8 Antennas | 3.90 m. Gain 25.2 dBi (+8.9 dB), G/T -0.15 dB |
Stacking Distances 4 antennas in “H” configuration for BEST G/T 4000 mm / 3900mm.
Reference Tsky=290K Tearth=5400K. Gain 22.18 dBi, Calculated G/T -3.17 dB. Used by VE7BQH Antenna performance table.
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