Re: Chartplotters
I have had Furuno, Raymarine and Garmine chart plotters.
For simplicity, chips and overall functionality I will take Garmin.
Last year there was a good thread on this over at thethulltruth.
Out of the three here is the ranking that I remember:
GPS
1. Gamrin
2. Raymarine
3. Furuno
Fish finder
1. Furuno
2. Raymarine
3. Garmin
In answer to your other question many of the smaller Gamrins do come in with an internal antenna and I have never had a problem with mine (other than it seems to take a little longer to triangulate than the external antennas).
Good luck.
Peter
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