How waterproof is a handheld marine GPS? A. Look for an IP or IPX number ... No coastal maps included. Best bang for your buck: Standard Horizon’s HX870 VHS Radio with GPS Our take: Low-cost ...

Which marine GPS is best? A good marine GPS can provide much ... There may also be a fee for map updates. Handheld GPS will tell you where you are, but little more. Mounted devices usually offer ...

Which marine GPS is best? A good marine GPS can provide much ... There may also be a fee for map updates. Handheld GPS will tell you where you are, but little more. Mounted devices usually offer ...