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Pre-order (2)
Sirio HF Base Antenna
Pre-order (2)
• Type: 1/4λ ground plane
• Frequency range: tunable 40-70 MHz
• Impedance: 50Ω
• Radiation (H-plane): 360° omnidirectional
• Radiation (E-plane): beamwidth @ -3 dB = 86°
• Radiation angle: 0°
• Polarization: linear vertical
• Gain: 0 dBd, 2.15 dBi
• Bandwidth @ SWR ≤2: ≥3.7 MHz @ 40 MHz
• SWR @ res. freq.: ≤ 1.2 @ start freq.
• Max. Power (CW) @ 30°C: 1000 Watts
• Connector: UHF-female
• Type: 3 Elements Yagi
• Frequency range: 50-54 MHz (tunable)
• Impedance: 50Ω
• Radiation (H-plane): beamwidth @ -3 dB = 93°
• Radiation (E-plane): beamwidth @ -3 dB = 60°
• Polarization: Linear Horizontal
• Gain: 6.4 dBd - 8.5 dBi
• Bandwidth @ SWR 1.5: ≥ 1.0 MHz @ 50.5 MHz
• SWR @ res. freq: ≤ 1.2
• Front to back ratio: 20 dB
• Max. Power (CW) @ 30°C: 600 Watts
• Connector: UHF-female
• Type: 5 Elements Yagi
• Frequency range: 50-54 MHz (tunable)
• Impedance: 50Ω
• Radiation (H-plane): beamwidth @ -3 dB = 72°
• Radiation (E-plane): beamwidth @ -3 dB = 54°
• Polarization: Linear Horizontal
• Gain: 8.4 dBd - 10.5 dBi
• Bandwidth @ SWR 1.5: ≥ 1.4 MHz @ 50.5 MHz
• SWR @ res. freq: ≤ 1.2
• Front to back ratio: 25 dB
• Max. Power (CW) @ 30°C: 600 Watts
• Connector: UHF-female