Lakemaster or Navionics?

[NJSquatch]

also see this related thread

http://www.bbcboards.net/showthread.php?t=711250

[XXlyakattacker]

Thanks for all the good info and links. Hard to believe no one else has an opinion on the subject.

[Capt. Lou]

Never used or heard of Lakemaster but used Navionics for 15 seasons in one from or another seems to perform pretty decent ! Used mine in Furuno electronics , salt only .

[NJSquatch]

also just found this where you can buy an individual lake for $10

https://chartselect.humminbird.com/