Digital Antenna 578-SW 4 AIS Antenna [578-SW ] Brand_Simrad to convert a flushmount compass

to convert a flushmount compass into a binnacle compass

Wichard 3 5/32" Swivel w/ Large Bail

C - 3 1/8 in

Max SWL - 2200kg (4850lb)

Height: 4 1/32 in

Digital Antenna 578-SW 4 AIS Antenna [578-SW ] Brand_Simrad to convert a flushmount compassAIS Antennas 4' Length, 4. 5dB Gain In conjunction with the USCG Automatic Identification System (AIS) requirements for commercial vessels, Digital Antenna created a series of 4 AIS antennas that meet the exacting AIS frequency requirements. Designed with a low 1. 5: 1. 0 SWR ratio from 159 162 MHz, Digital Antennas 4. 5 dB gain AIS antennas offer unsurpassed durability and performance compatible with all AIS transponders. Customers and installers