Sirio GPA (27-45 Mhz) 10M-HAM Ground Plane Base Antenna

Sirio GPA 27-45 is 1/4 λ VHF base antenna. Manufactured from robust aluminim alloy and weather proof plastics. High quality materials garrantee maximum effectivеness and long term exploitation.

Sirio GPA 27-45 - HF/VHF antenna type groundplane for base station applications in frequency range 27-45 Mhz tunable base antenna.

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: 27-45 Mhz tunable

System: 10M-HAM

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

Mechanical Data

Materials: Aluminium, Chromed brass, Nylon

Height (approx.): 4730 mm /15.52 ft

Weight (approx.): 1250 Gram/2.76 lb

Mounting mast: Ø 35-40 mm