HF two-piece sectional whip, monopole, 4.9 m, 1.6-30 MHz

AT53 Series

The AT53 series antenna is a high quality fibreglass HF antenna for marine coastal and SSB telephony bands. It is designed for use on pleasure craft, but the high quality means it may be used on all kinds of vessels. The antenna is side fed with a number of mounting options. The antenna is UPS Shippable.

Frequency Range 1.6-30 MHz
Power Rating 1 kW PEP
Static Capacitance 50 pF @ 2 MHz
Polarisation Vertical
Pattern Omnidirectional
Electrical Length 4.6 m
Feed System Open wire, side fed
Design Fibreglass whip in three sections. Stainless steel.
Height 4.9 m
Weight 3.5 kg
Sections Base:                      2.45 m
Top Whip:            2.45 m
Wind Rating 55 m/s = 201 km/h
Moment of Flexure 40 kpm at 55 m/s
Deflection due to Wind Load 3 m at tip ball with 55 m/s wind load
Finish Polyurethane lacquer, white
Chrome plated fittings
Temperature Range – 55°C to + 71°C
Ice Build-Up Not affected