SIRIO - GPS 1/2 - VERTICAL BASE ANTENNA - 172 WAVE - WITH RADIALS - TUNABLE FROM 26.4 TO 29 MHz
Features:
- Base station antenna, Omnidirectional
- Tunable by acting on the whip length
- Low radiation angle for excellent DX
- Coil protected by transparent cover
- Whip equipped whit waterproof jointing sleeve
- Made of aluminium alloy 6063 T-832
- Protection from static discharges DC-Ground
Electrical Data
- Type: 1/2 Wave
- Frequency range: tunable from 26 to 28.0 MHz
- Impedance: 50Ω
- Radiation (H-plane): 360° omnidirectional
- Polarization: linear vertical
- Gain: 2.0 dBd, 2.15 dBi
- Bandwidth at S.W.R. 2:1: 1400 KHz
- S.W.R. at res. freq.: = 1.2:1
- Max. power: 250 Watts (CW) continuous ; 750 Watts (PEP) short time
- Feed system / position: Transformer DC-ground / base
- Connector: UHF-female
Mechanical Data
- Materials: Aluminium, Steel, Copper, Nylon
- Wind resistance: 130 Km/h
- Wind load: 156 N at 150 Km/h
- Wind surface: 0.11 m²
- Height (approx.): 5750 mm
- Weight (approx.): 2500 gr
- Mounting mast: Ø 35-42 mm