Sirio GPA 40-70 is 1/4 λ VHF base antenna for professional and HAM 6m bands 40MHz - 70MHz. Manufactured from robust aluminim alloy and weather proof plastics. High quality materials garrantee maximum effectivеness and long term exploitation.
Features
- Base station antenna, Mono-band
- Omnidirectional, Unity gain
- Made of aluminium alloy 6063 T-832
- Perfect protection against the worst weather conditions
- Tunable by whip length adjusting
- Side mast mounting allowed by optional bracket FT-2 code 2510004.00
Electrical Data
- Type: 1/4λ ground plane large band
- Frequency range: GPA 40-70: 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: GPA 40-70: 1000 Watts
- Connector: UHF-female
Mechanical Data
- Materials: Aluminium, Chromed brass, Nylon
- Wind load / resistance: GPA 40-70: 85 N at 150 Km/h / 150 Km/h
- Wind surface: GPA 40-70: 0.07 m²
- Height (approx.): GPA 40-70: 3200 mm
- Weight (approx.): GPA 40-70: 935 gr
- Mounting mast: Ø 35-40 mm
