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Garmin 73sv auto-mapping chip size? - Walleye Message Central
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Old 04-08-2016, 06:53 AM
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guide7 guide7 is offline
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Default Garmin 73sv auto-mapping chip size?

I have a new Garmin 73SV and will be heading to Ontario soon to an uncharted lake and would like to use the mapping function almost full time for 4 days. Any idea how big of a memory chip I should be using. We fish a lot of different areas and it would be nice to get a better idea of the structure profiles.
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Old 04-08-2016, 07:29 AM
reefwhooligan reefwhooligan is offline
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The largest it accepts is 32GB and those only cost about $12 (on Amazon) so you might as well just get that.
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Old 04-08-2016, 08:08 AM
reefwhooligan reefwhooligan is offline
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The only thing I've been able to find about storage space is this line:

"The better the quality of transducer used, the more detailed the map content can be. Using Panoptix, you should be able to record about 1,500 hours on a 2 GB card. Assuming a vessel speed of approximately 10 mph, that’s about 100,000 acres."

It doesn't say anything about a regular transducer but since Panoptix is supposed to be the best I would assume you could fit more or at least the same amount of time/area in the same space.
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