Shakespeare 5228-4 4' Heavy - Duty Extension Mast [5228-4] Cartography | Garmin BlueChart Keep track of up to

Keep track of up to 30 moving targets

Twin-fin design gives a more stable True Wind Direction (TWD)

WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer

Battery - Lithium/Iron Disulfide (Li/FeS2) (Non Hazardous)

work lights

Shakespeare 5228-4 4' Heavy - Duty Extension Mast [5228-4] Cartography | Garmin BlueChart Keep track of up toShakespeare Galaxy Style 5228 4 4' Heavy duty Extension Mast Like the 5228, but 4' length (nominal). Constructed of high quality Shakespeare white fiberglass, and finished to match Galaxy antennas. This 1 1 2" d"iameter extension mast can be used to increase height of an antenna and thus improve effective range, or to boost placement of an antenna above on board obstructions. IMPORTANT! If the combined length of your antenna and all extensions is more