I have been a long time reader of Louisiana Sportsman and have seen your columns on the website and in the magazine. My wife and I have recently moved to St. Bernard(4 years ago) and have just acquired a Very Nice Bay Boat. I guess without beating around the bush I am very interested in purchasing one or more of your Fishing Edge and Waypoint routes for my GPS(Breton Sound Marina, Hopedale area) The one (GPS) installed on my boat is an Eagle IntelliMap 480. There is an expansion slot for a SD type card. I am wondering if your cards will work in this GPS? I plan on upgrading the Electronics in the future but would like to use what I have for the time being. Could you offer up any advice on what options I may have for this GPS unit? If it helps any I have been running out to Bay Eloi fishing and have been doing okay. However I would like to learn more areas for different weather conditions. Thank you in advance for your time and look forward to hearing back from you.