Many recent Garmin GPS mapping units (like the 60Cx and 76Cx units) have a maximum limit of 2025 map sections that you can upload directly to the unit, and you’ll get an error message if you try to exceed the limit. If you try uploading more than 2025 to a microSD card in a card reader, you won’t get an error message, but the GPSr unit will still not be able to display the data from more than 2025 maps after you put the microSD card back into it. This wasn’t such a big deal when memory was expensive, and 128 MB of memory was considered a lot - there was no way you come close to that 2025 limit with that little memory. But these days you can get a 2 GB microSD card for a Garmin unit for less than $20, and you could easily fill such a card with more than 2025 maps if that were possible.
Continue reading ‘Beating The Garmin 2025-Map Limit With US Topo Maps’
