GPS Gold charts

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Hobie23
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Joined: Sun Mar 18, 2012 3:10 pm
Local Fishing Region: Glenbawn down to Nelson bay
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Location: Singleton, NSW

GPS Gold charts

#1 Post by Hobie23 » Sun Jul 20, 2014 8:32 pm

Hey guys got a new sounder/GPS (lowrance elite 7 HDI) and it came with the gold chart. The sounder with the card shows all saltwater contour, islands etc but when i csh the dams the GPS shows nothing not even the dam itself, if you don't get what i mean it just shows land. Like say you have your boat on the bank that is all it shows, it shows the right position but no detail etc.
PLEASE HELP!! :cry:
Josh
My Pbs
Bream: 37cm to the fork
Flathead: 83cm
Snapper: 68cm
Luderick: 43cm
Marlin: 120kg blue marlin out of boat on 37kg standup
Tuna: 5kg mac tuna

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johnh
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Local Fishing Region: Bundaberg
Kayaks: Hobie Adventure Island & Revo 13

Re: GPS Gold charts

#2 Post by johnh » Sun Jul 20, 2014 8:40 pm

Yep, inland waterways suck on navionics charts. If you log your sonar on your HDI you can make your own maps with software from Reefmaster.com.au

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tonystott
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Local Fishing Region: Forster, nsw
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Location: Forster, NSW

Re: GPS Gold charts

#3 Post by tonystott » Sun Jul 20, 2014 8:40 pm

Waterways are plotted by marine survey. It therefore follows that every body of water requires a formal survey if its depth contours etc are to be made avilable. In addition, there is a cost involved, so smaller bodies of water might not even be recorded at all.

I gather that many coastlines around the world are being resurveyed using PWCs equipped with GPS devices, but the task is mammoth.

It is therefore not really surprising that there are bodies of water which offer no clue other than Google Earth images. I do not believe this shortcoming is restricted to Navionics.
Tony Stott
2012 Hobie Tandem Island "SIC EM" with Hobie spinnaker

Hobie23
KFDU Angler
Posts: 170
Joined: Sun Mar 18, 2012 3:10 pm
Local Fishing Region: Glenbawn down to Nelson bay
Kayaks: Malibu pro explorer
Location: Singleton, NSW

Re: GPS Gold charts

#4 Post by Hobie23 » Sun Jul 20, 2014 9:31 pm

The only reason i would like to know is cause i fish tournaments an a two weeks ago i fished glenbwn and could not even see the dam itself :grr:
but will check that site out jonhh
josh
My Pbs
Bream: 37cm to the fork
Flathead: 83cm
Snapper: 68cm
Luderick: 43cm
Marlin: 120kg blue marlin out of boat on 37kg standup
Tuna: 5kg mac tuna

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Occy
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Joined: Mon Apr 29, 2013 1:15 pm
Local Fishing Region: Sydney harbour and offshore, various inland waterways
Kayaks: Skimmer 128, Calypso
Location: Sydney - Lower North Shore

Re: GPS Gold charts

#5 Post by Occy » Mon Jul 21, 2014 12:33 am

As I understand it the Navionics application is based on the latest official maritime charts which can be patchy at times. No doubt as time goes by you will see more of Australias coastal waters included/updated, but I wouldn't hold my breath waiting for inland waterways.
Cheers Paul
Kayak fishing isn't a sport. It's much more serious than that.

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tonystott
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Joined: Mon Jan 09, 2012 12:29 pm
Local Fishing Region: Forster, nsw
Kayaks: 2012 Hobie Tandem Island "SIC EM"
Location: Forster, NSW

Re: GPS Gold charts

#6 Post by tonystott » Mon Jul 21, 2014 1:00 am

Just to give a small example of the magnitude of the surveying task ahead, my local Wallis Lake is 74 km2 in area, with three navigable rivers flowing into it. A huge percentage of the area has the barest of detail beyond edges of land mass once you move a little south of the channel to the sea.
Tony Stott
2012 Hobie Tandem Island "SIC EM" with Hobie spinnaker

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PaulieB
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Kayaks: Pro Angler 14 (2014), had Revo- awesome if you DON'T have Sciatica lol
Location: Rancho Relaxo (Sydney and Brissie)

Re: GPS Gold charts

#7 Post by PaulieB » Tue Jul 22, 2014 10:11 am

Josh

Have a look on navionics website as it shows the maps in detail.

I recall seeing the lake you mention but cannot remember how well surveyed it was

Perhaps this could be a good cross reference for you
Certavi et Vici
Before you judge someone, paddle a mile in their kayak. That way, when you have judged them, you're a mile away and you have their Kayak.

cfish
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Joined: Fri Jan 02, 2009 10:00 pm
Local Fishing Region: Sydney

Re: GPS Gold charts

#8 Post by cfish » Wed Jul 23, 2014 6:45 pm

The map on the Navonics website uses the same data as the NSW Waterways map, to be blunt its totally inaccurate and only useful for place names. If your have a Lowrance Insight Genesis account there is a more accurate but much more limited in area map on their social map website, you should be able to see the map for free but it cost $99.00 a year to download maps.
Regards Charles

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