If you only use the very basics and don't travel out of your region, you probably could update every other year. Coastal coverage of the Gulf of Mexico, the Atlantic coasts of Florida and. Navionics/Garmin will record their own data! Detailed coverage of the lakes, rivers and coasts of Alabama, Arkansas, Florida, Georgia, Kansas, Louisiana, Mississippi, Missouri, Nebraska, New Mexico, Oklahoma, Tennessee, and Texas. larger bodies of water like Lake Ontario, St. There are significant updates done each year, just depends on your region and how many are uploading data. If you use advanced features like dock to dock auto-routing and other advanced map options you want to be current as well. HUMMINBIRD MAP CARD LAKE LIST VERSION 6. If you happen to travel to different areas, with a current subscription on a card you can select new maps to download. Does naybody know if Rainy Lke is on that chip Can't egt a hold of Navionics, they are not answering the phones yet. Posts: 683 Navionics North Region/Rainy Lake I've got the Jan 2006 version of hte Navionics Northern Regions chip. Now as far your chips go, there currently is a rebate on renewing your subscription so it is not as expensive as one might think, if you want more details - 1 03-15-2007, 08:59 AM Grey Wolf Wallhanger Join Date: Nov 2001 Location. Cartography Subscription Solutions for Navionics. The store will not work correctly in the case when cookies are disabled. That's a question, that only you can answer! For sure you should keep your mobile subscription current simply for the SonarChart Shading & Fishing Depth Ranges! In Canada, it's only around $30 annual. Detailed coverage of the lakes, rivers and coasts of Arizona, California, Colorado, Idaho, Montana, Nevada, North Dakota, Oregon, South Dakota, Utah, Washington, and Wyoming, Hawaii, and the Johnston and Palmyra Atolls. Here is the list of Ontario Lakes marine charts and fishing maps available on iBoating : Canada Marine & Fishing App. Do you purchase your yearly subscriptions for navionic chips or just subscribe to the boating apps? Are there that many updates to for Canadian waters to warrant extra expense?

Navionics north lake list