Yes.
I have a dedicated GPS that is slower to pick up signals than my "cellular
enabled" iPad. I use the iPad SOLELY for navigation on the boat and have
never had a problem. Cellular service is turned off. It has a dedicated
GPS. It's really not "silly". I use it below decks too for anchor watch.

Steve
Suhana, C&C 32
Toronto


On Sat, Oct 3, 2015 at 6:11 PM, Jerome Tauber via CnC-List <
cnc-list@cnc-list.com> wrote:

> OK - This is getting silly.   Do you really believe the tiny GPS chip and
> antenna in a cell phone or Ipad is going to outperform a dedicated handheld
> GPS and pick up signals where the handheld GPS will not without some sort
> of assistance.  For a navigation message to travel from the satellite to
> the receiver, they must be sent on a carrier frequency. In the original GPS
> design, two frequencies were utilized; one at 1575.42 MHz(10.23 MHz × 154)
> called L1; and a second at 1227.60 MHz (10.23 MHz × 120), called L2.  The
> satellite output is about 25 watts.  These signals are quite weak when they
> reach earth and will not penetrate the metal roof on your house or your car
> and may be attenuated by the fiberglass roof on your boat to the point
> where they may not be readable by an Iphone or Ipad.   That's why your
> handheld GPS will not work in your basement.   The only reason the Ipad or
> Iphone will work is that it is assisted.   Even it you don't have a
> cellular connection you probably have wifi in your house that is being used
> for the assist.  A typical A-GPS-enabled receiver will use a data
> connection (Internet, cellular or other) to contact the assistance server
> for aGPS information. If it also has functioning autonomous GPS, it may use
> standalone GPS which does not depend on the wifi or cellular network but
> then must depend entirely on the GPS signal from the satellite and
> therefore will not work if that signal is not strong enough.
> <https://en.wikipedia.org/wiki/Assisted_GPS#cite_note-cnet-3> Some A-GPS
> devices do not have the option of falling back to standalone or autonomous
> GPS.  Many mobile phones combine A-GPS and other location services
> including Wi-Fi Positioning System and cell and sometimes a hybrid
> positioning system.  Accurate location requires a fix on at least 3
> satellites, and these signals do not penetrate buildings (even the roof
> of a car can attenuate the GPS signal to where it is not useful). So, if
> you are not in view of 3 satellites, A-GPS can estimate your location based
> on 2 satellites plus cell tower data (less accurate). If you aren't in view
> of at least 2 satellites, the iPhone uses internet WiFi  or cell-tower
> triangulation, which is not very accurate.  Jerry
>
>
> -----Original Message-----
> From: Rick Brass via CnC-List <cnc-list@cnc-list.com>
> To: cnc-list <cnc-list@cnc-list.com>
> Cc: Rick Brass <rickbr...@earthlink.net>
> Sent: Sat, Oct 3, 2015 3:38 pm
> Subject: Re: Stus-List IPad Question...
>
> I have an IPad 3 which was a gift. It has cellular capability (so it has a
> built in GPS), but has never been connected to cellular service. The GPS
> function operates perfectly below decks and everywhere else. I have never
> had a problem receiving GPS data, even inside my house which has a metal
> roof. I can’t say the same for the handheld GPSs (multiple) that I carry on
> the boat as backups for the ditch bag.
>
> I have SKIPPER on the IPad for a navigation app. (Selected that one
> because of a desire for Bermuda charts when I was loading the IPad, and
> Bermuda region is included as part of North America so there was no cost.)
> Skipper uses NOAA charts, and the app checks for NOAA updates to the charts
> that have been downloaded to the tablet each time the app is turned on
> while connected to WiFi. On the last two deliveries I made, I found that my
> charts were more up to date than the charts on the boat’s chartplotter.
> Plus I run the Active Captain Companion on the IPad, which gives warnings
> about hazards to navigation that are within a specified angle and distance
> from the boat’s heading. One of the Raymarine plotters on a boat offered
> this feature, but the charts were out of date. The tablet was more accurate.
>
> If you are getting your AIS information off the net, you should be aware
> of a couple of things: The information is not current, not all AIS
> information is included, and the AIS repeaters on the Internet have the
> capability of being hacked.
>
> I seem to recall that a number of manufacturers are making instruments and
> radios that can be connected to tablets and phones by using Bluetooth. Why
> not just use the Bluetooth connection instead of building a WiFi network on
> the boat?
>
> My IPad was a gift, so it cost me nothing. I agree with Dennis. A
> WATERPROOF and shock resistant Galaxy tablet is a bit more than $250, but
> still less than half the cost of an IPad. Plus the software is generally
> less expensive. I have more invested in the Otter Box and LifePruf cases
> for my IPad than a galaxy tablet would have cost me.
>
> But the discussion started with David’s question about using an old IPad
> for a plotter. If the IPad had cellular capability (so it has a GPS) go for
> it. You will spend something up to $50 (and maybe less) on chart plotter
> software and charts, and most of the other navigation apps you will want
> like Active Captain and Drag Queen are free. If no built in GPS, put your
> music on the IPad and buy a Galaxy tablet with cellular capability.
>
> Rick Brass
> Washington, NC
>
>
>
> *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com
> <cnc-list-boun...@cnc-list.com?>] *On Behalf Of *Jerome Tauber via
> CnC-List
> *Sent:* Friday, October 02, 2015 11:27 AM
> *To:* cnc-list@cnc-list.com
> *Cc:* Jerome Tauber <jrtau...@aol.com>
> *Subject:* Re: Stus-List IPad Question...
>
> GPS built into phones and pads is limited and depends on cellular service
> being available.  Moreover, reception below decks is poor to non-existent.
>   Also, with wifi you can transmit AIS and any other NMEA info such as wind
> speed, depth, and even radar.    It's a different ballgame entirely.   You
> can even receive on multiple Pads and from anywhere on the boat.   Your
> Ipad or Android becomes a complete navigation system using an app such as
> INavx and is available anywhere on the boat.  Of course, you must have nmea
> sensors to plug into the wifi router.   Jerry J&J
>
>
>
> -----Original Message-----
> From: Dennis C. via CnC-List <cnc-list@cnc-list.com>
> To: CnClist <cnc-list@cnc-list.com>
> Cc: Dennis C. <capt...@gmail.com>
> Sent: Fri, Oct 2, 2015 11:17 am
> Subject: Re: Stus-List IPad Question...
> or you can buy a 10" Samsung Galaxy Tab with GPS for $250.  Add Navionics
> for $10.  Poof!  Chartplotter.
> Dennis C.
>
> On Fri, Oct 2, 2015 at 10:08 AM, Jerome Tauber via CnC-List <
> cnc-list@cnc-list.com> wrote:
>
> I have been looking into this and there is an excellent solution.   You
> can plug your onboard GPS into a wifi transmitter and receive the signal
> anywhere on your boat on your Ipad.   This is compatible with INavx and
> other software.   You can also transmit AIS if you have an AIS receiver and
> receive it on the Ipad (or any Android device) through INavx or other
> software.   This is the future of onboard navigation.   Here are some
> transmitters though there are many others.   Jerry - J&J
>
>
>
>
>
>
>
> [image: Image removed by sender. Digital Yacht NavLink NMEA 200 Wireless
> Data Server]
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=http%3A%2F%2Fwww.amazon.com%2Fgp%2Fproduct%2FB00BDN9YMS%2Fref%3Dpe_139950_151267030_em_1p_0_im&A=PQTN64GGHFYOAJDWDHFHYMNBDAEA&H=EYJGANAGA43A8XDYZ69STFBUA5EA&ref_=pe_139950_151267030_em_1p_0_im>
> Digital Yacht NavLink NMEA 200 Wireless Data Server
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=http%3A%2F%2Fwww.amazon.com%2Fgp%2Fproduct%2FB00BDN9YMS%2Fref%3Dpe_139950_151267030_em_1p_0_ti&A=PWXDKSNKJBBAVAUJYWFUP0JIKNAA&H=MZ6F9AZ8SZPWHWNB9UA48PDLYG0A&ref_=pe_139950_151267030_em_1p_0_ti>
> by Digital Yacht
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=%2Fs%2Fref%3Dpe_139950_151267030_bl_sr_sporting-goods%3Fie%3DUTF8%26field-keywords%3DDigital%2520Yacht%26index%3Dblended%26search-type%3Dss&A=GWWNXLYVKZXO3QSQ0U15CGBZAKOA&H=USPNSVOFCUVK4AWKVHKOYDDAOFQA&ref_=pe_139950_151267030_bl_sr_sporting>
>
> List Price: $833.92
> Price: *$495.77*
> You Save: $338.15 (41%)
> Ships from and sold by OJ Commerce
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>
> [image: Image removed by sender. Learn more]
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=http%3A%2F%2Fwww.amazon.com%2Fgp%2Fproduct%2FB00BDN9YMS%2Fref%3Dpe_139950_151267030_em_1p_0_lm&A=HUCLGDJL8Y8J5YU6AWSFGDJ3NGOA&H=N0ROHEAGBYRX7VAHOEFGZUQDF3MA&ref_=pe_139950_151267030_em_1p_0_lm>
>
> [image: Image removed by sender. Add to Wish List]
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=http%3A%2F%2Fwww.amazon.com%2Fgp%2Fitem-dispatch%2Fref%3Dpe_139950_151267030_em_1p_0_atw%3F_encoding%3DUTF8%26action%3Dadd-to-registry.wishlist%26asin.1%3DB00BDN9YMS%26submit.add-to-registry.wishlist.x%3D1%26submit.add-to-registry.wishlist.y%3D1%26template-name%3Dstores%252Fdetail&A=SZ2UBQL4RRALV9SGHSWFAWFPQTIA&H=SHLMDSZDWSZHXT23IQ6LYHA7YZIA&ref_=pe_139950_151267030_em_1p_0_atw>
>
>
>
>
>
> [image: Image removed by sender. Digital Yacht NMEA to Wireless Wi-Fi
> Adapter - 4800 Baud]
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=http%3A%2F%2Fwww.amazon.com%2Fgp%2Fproduct%2FB0051TZYF6%2Fref%3Dpe_139950_151267030_em_1p_1_im&A=BFPKMTJLGDIJDETTUQDEXAQSBH4A&H=RBA4S3HP33ZGJZAS7XX7AVNHAMWA&ref_=pe_139950_151267030_em_1p_1_im>
> Digital Yacht NMEA to Wireless Wi-Fi Adapter - 4800 Baud
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=http%3A%2F%2Fwww.amazon.com%2Fgp%2Fproduct%2FB0051TZYF6%2Fref%3Dpe_139950_151267030_em_1p_1_ti&A=99MD51FLX4NAAKFQR8XRZPUUHSMA&H=OA86HCASNEUMBTLFFJPJ13MYAGKA&ref_=pe_139950_151267030_em_1p_1_ti>
> by Digital Yacht
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=%2Fs%2Fref%3Dpe_139950_151267030_bl_sr_sporting-goods%3Fie%3DUTF8%26field-keywords%3DDigital%2520Yacht%26index%3Dblended%26search-type%3Dss&A=GWWNXLYVKZXO3QSQ0U15CGBZAKOA&H=USPNSVOFCUVK4AWKVHKOYDDAOFQA&ref_=pe_139950_151267030_bl_sr_sporting>
>
> List Price: $458.92
> Price: *$280.37*
> You Save: $178.55 (39%)
> Ships from and sold by OJ Commerce
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=http%3A%2F%2Fwww.amazon.com%2Fgp%2Fhelp%2Fseller%2Fat-a-glance.html%2Fref%3Dpe_139950_151267030__mer%3Fie%3DUTF8%26seller%3DA3K90JHFOGRITA&A=DCHMNTFYRSS7K8UJP2AGVS7S6AWA&H=7YJW5FKOW9TEFPBJLV4SXBASHGMA&ref_=pe_139950_151267030__mer>.
>
> [image: Image removed by sender. Learn more]
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=http%3A%2F%2Fwww.amazon.com%2Fgp%2Fproduct%2FB0051TZYF6%2Fref%3Dpe_139950_151267030_em_1p_1_lm&A=BVANBKACWAIZJQONVV9KIAJ12RUA&H=WYBFB2SILQQ2VOZXUDDHOXWQKRKA&ref_=pe_139950_151267030_em_1p_1_lm>
>
> [image: Image removed by sender. Add to Wish List]
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=http%3A%2F%2Fwww.amazon.com%2Fgp%2Fitem-dispatch%2Fref%3Dpe_139950_151267030_em_1p_1_atw%3F_encoding%3DUTF8%26action%3Dadd-to-registry.wishlist%26asin.1%3DB0051TZYF6%26submit.add-to-registry.wishlist.x%3D1%26submit.add-to-registry.wishlist.y%3D1%26template-name%3Dstores%252Fdetail&A=AX3LLFFLG7ZMNPQBEGVVRVJJKROA&H=C7DWYAA0IUDKKGKZJ0SAPPMKMRCA&ref_=pe_139950_151267030_em_1p_1_atw>
>
>
>
>
>
> [image: Image removed by sender. 1 - Digital Yacht iNAVConnect Wireless
> Wi-Fi Router]
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=http%3A%2F%2Fwww.amazon.com%2Fgp%2Fproduct%2FB00PB05V58%2Fref%3Dpe_139950_151267030_em_1p_2_im&A=ZAIRNATIEP6KNQQPW4JALOUMMCYA&H=8MG6DW5JYAYMGMAYY2AZYP1LBBQA&ref_=pe_139950_151267030_em_1p_2_im>
> 1 - Digital Yacht iNAVConnect Wireless Wi-Fi Router
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=http%3A%2F%2Fwww.amazon.com%2Fgp%2Fproduct%2FB00PB05V58%2Fref%3Dpe_139950_151267030_em_1p_2_ti&A=KAJBSFHIPBLZG2TABHSEAZAMRB8A&H=R4MGPDMSVLQOHZ3BSO6Z5RCBF8MA&ref_=pe_139950_151267030_em_1p_2_ti>
> by Digital Yacht
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=%2Fs%2Fref%3Dpe_139950_151267030_bl_sr_pc%3Fie%3DUTF8%26field-keywords%3DDigital%2520Yacht%26index%3Dblended%26search-type%3Dss&A=MUWYHA6SEIJXWSA08PYN4AIABASA&H=CIWNW5CEEBY8J96HHT7ODSCAWGWA&ref_=pe_139950_151267030_bl_sr_pc>
>
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> Ships from and sold by TheFactoryDepot
> <https://www.amazon.com/gp/r.html?C=35ZGMCONA6D2F&R=D5CXHLXW3JHT&T=C&U=http%3A%2F%2Fwww.amazon.com%2Fgp%2Fhelp%2Fseller%2Fat-a-glance.html%2Fref%3Dpe_139950_151267030__mer%3Fie%3DUTF8%26seller%3DA29PHU0KPCGV8S&A=JXTQJQRBBTGJLH3VCOHQVAD2PCSA&H=GW84URVGIWAZYZKHGZ5UWXJJRM0A&ref_=pe_139950_151267030__mer>.
>
>
>
>
>
>
> -----Original Message-----
> From: David via CnC-List <cnc-list@cnc-list.com>
> To: CNC CNC <cnc-list@cnc-list.com>
> Cc: David <davidrisc...@msn.com>
> Sent: Fri, Oct 2, 2015 10:37 am
> Subject: Stus-List IPad Question...
> OK...so I have this IPad I never use.  I'm thinking good for chartplotting
> software for the 2X (maybe) a year that I need a chartplotter.
>
> Needs a GPS.   I shop and see "Bad Elf"s" for $150+.  Huh?  I bought a GPS
> dongle for my laptop for $20.  Is this more of Apples proprietary product
> BS?
>
> (sorry Apple users...I am not a big fan of Apple)
>
> Are there other solutions this non-tech, non-Apple guy could use?
>
> Thank in advance!
>
> David F. Risch
> 1981 40-2
> (401) 419-4650 (cell)
>
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