Here's the link to where UPMan suggested the use of high endurance cards:
forums.radioreference.com
Replacement SD Cards
We will be switching our production from using 8GB TLC type SD cards to 4GB MLC type SD cards (we actually originally provided 4GB TLC cards then did an unadvertised change to 8GB). All devices will eventually wear out an SD card (if it does any writing at all). I typically have to replace my...