Sirio SY-4 - 4 Element Yagi Beam Antenna (26.5-30 MHz Tunable)

The Sirio SY 27-4 is a very strong but lightweight, high gain quality, Yagi antenna that won't break the bank. It is well constructed and gives great performance on 26.9-27.5 MHz.

The SY27-4 is easily adjusted to cover up to 29MHz in the 10 metre Amateur Band.

Key Features/Specifications:

• Directional, High-gain
• Horizontal polarization
• Factory tuned at mid-band
• High power handling capability
• Elements equipped whit waterproof jointing sleeve
• Made of aluminium alloy 6063 T-832
• Type: SY 27-4: 4 element Yagi antenna
• Frequency range: SY 27-4: 26.9-27.5 MHz @ SWR ≤ 2
• Impedance: 50Ω unbalanced
• Radiation (H-plane): directional
• Polarization: linear horizontal
• Gain: SY 27-4: 11 dBd, 13.15 dBi
• Bandwidth @ SWR ≤ 2: SY 27-4: ≥ 600 KHz (55 channel)
• SWR @ res. freq.: ≤ 1.2
• Max. power: 1000 Watts (CW) continuous 3000 Watts (CW) short time
• Feed system / position: Gamma match / center
• Connector: SO239
• Materials: Aluminium, Steel, Nylon
• Wind load:m/h SY 27-4: 80 N at 150 Km/h
• Wind resistance: 120 Km/h
• Wind surface: 0.07 m²
• Dimensions (approx.): SY 27-4: 5725x4030x100 mm
• Boom length / diameter: SY 27-4: 4030 mm / 33 mm
• Max. element length (approx.): SY 27-4: 5725 mm
• Turning radius (approx.): SY 27-4: 3600 mm
• Weight (approx.): SY 27-4: 6100 gr
• Mounting mast: Ø 35-50 mm