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05-12-2010, 07:31 PM
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fugio ergo sum
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Join Date: Apr 2006
Location: Carlsbad, NM
Posts: 1,912
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Quote:
Originally Posted by jeff beckley
Larry. I had the sectional downloaded already. As well as the low enroute charts. Both of them geosync just fine when I have some kind of cellular signal. Your auto navigation would work just fine because you are on the ground with cell service..
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Jeff, I wish I knew more about how things exactly work. In particular I am confused by ambiguous data about what happens when airplane mode is activated. Just now I tried to get a fix here in the living room with airplane mode on and could not but I could get a fix with three different apps with both cellular data and wifi data off. These apps work with pre-downloaded data.
I did use the car navigation app in the airplane the other day and it worked fine, but that was during some intermittent data coverage. In the car it works with wifi and cellular data off.
I think some of the confusion comes from if the iPad had a fix initially before losing data coverage.
__________________
Larry Pardue
Carlsbad, NM
RV-6 N441LP Flying
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05-13-2010, 04:44 AM
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Join Date: Jan 2005
Location: Louisville, Ga
Posts: 7,840
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Say Jeff....
Quote:
Originally Posted by jeff beckley
Larry. I had the sectional downloaded already. As well as the low enroute charts. Both of them geosync just fine when I have some kind of cellular signal. Your auto navigation would work just fine because you are on the ground with cell service..
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...if I have the low altitude IFR charts loaded, can I not simply 'pull' the chart along as I fly? After all, I have two moving maps in the 496 and 430W.
Best,
__________________
Pierre Smith
RV-10, 510 TT
RV6A (Sojourner) 180 HP, Catto 3 Bl (502Hrs), gone...and already missed
Air Tractor AT 502B PT 6-15 Sold
Air Tractor 402 PT-6-20 Sold
EAA Flight Advisor/CFI/Tech Counselor
Louisville, Ga
It's never skill or craftsmanship that completes airplanes, it's the will to do so,
Patrick Kenny, EAA 275132
Dues gladly paid!
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05-13-2010, 07:53 AM
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Join Date: Jan 2006
Posts: 192
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Larry. I did not turn on airplane mode. I read on this board somewhere that another dude found that they had to have the app loaded before losing cell service in order to get GPS data. That is strange. Unfortunately apple has blocked any kind of external bluetooth GPS receiver with the IPAD. Looks like I will be looking into Jailbreaking my Ipad as well.
__________________
Jeff Beckley
Des Moines Iowa
Van's RV-7A
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05-13-2010, 09:11 AM
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Join Date: Jun 2006
Location: Vero Beach, FL
Posts: 881
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I have been following all of these EFB discussions with much interest because my 3G iPad is in transit and I should have it soon. After doing a reasonable amount of research, my plan is to jailbreak the thing right out of the box. Now, I'm not suggesting that anyone should do this, just telling you that it's an option--and a pretty good one in my opinion!
I have been visiting all of the 'geek' sites and have determined (not proven, just satisfied myself) that jailbreaking is easy, safe, and reversible. Here's the gist of it: you need to do your own research to satisfy yourself, but if you just Google 'How to jailbreak an iPad', you're going to get a lot of information. The jailbreak process takes just a few minutes, is totally free, and you can accomplish it from the comfort of your own desktop. I plan on using the 'Spirit' jailbreak (SpiritJB.com) and then download either of two Bluetooth stacks from Cydia, RoQyBT GPS or BTstack GPS, either one just a few bucks.
First, you want to backup your current iPad state by synching with iTunes; that way, you can revert back to this previous state if you run into problems with jailbreaking or if you have a warranty issue.
Assuming you have already backed up your iPad, jailbreaking is just a matter of downloading the 'Spirit' software to your desktop, connecting the iPad to the desktop via the USB cable that comes with it, and running Spirit. When you're done, you will have a new app on your iPad called Cydia, which is the jailbroken app center, if you will. There you will find all kinds of unauthorized apps including the Bluetooth stacks that you will need so that your iPad will recognize your Bluetoothed GPS, which a lot of us already have in the cockpit. None of this is guaranteed to work, but expect, within reason, that it probably will. At least that's what I'm hearing. You can always restore your previous state by synching with iTunes again.
One of the cautions for jailbreaking is that you should not allow any firmware updates to migrate to you iPad until the jailbreak app is ready for the new version of firmware. This just means you don't accept firmware upgrades until the jailbreak crowd announces that they can 'break' the new version.
Obviously, you are also increasing the risk that some virus or malware may get on your iPad, but then you can always restore to previous state. It's a risk/reward thing, in my view.
I say all this in the hope that this might save someone a little time if you are frustrated by the lack of Bluetooth compatibility and are probably going to end up jailbreaking your iPad anyway.
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05-13-2010, 10:36 AM
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Join Date: May 2005
Location: Arlington, TX
Posts: 78
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Jail breaking IPAD
Thanks Tim and Pat for all of the info on jailbreaking. Probably a dumb question, but if you jailbreak the ipad, can you still use the Apple approved apps that you currently have installed. I am thinking you won't be able to download new apps from the traditional app store once jailbroken, but hopefully I am wrong 
Thanks again,
Mark Hanley
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05-13-2010, 11:06 AM
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Join Date: Jun 2006
Location: Vero Beach, FL
Posts: 881
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Quote:
Originally Posted by flydoc
Thanks Tim and Pat for all of the info on jailbreaking. Probably a dumb question, but if you jailbreak the ipad, can you still use the Apple approved apps that you currently have installed. I am thinking you won't be able to download new apps from the traditional app store once jailbroken, but hopefully I am wrong 
Thanks again,
Mark Hanley
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Mark,
All of your Apple apps will be just fine, and I am told you should not notice any difference in operation. You will get the Cydia icon after jailbreaking which will take you to all of the 'black market' apps. You should be able to download iTunes apps normally. I will follow up with a report after I receive my iPad.
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05-13-2010, 01:00 PM
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Join Date: May 2005
Location: Arlington, TX
Posts: 78
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JailBreaking
Thanks, Pat
Mark
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05-13-2010, 08:49 PM
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Join Date: Jul 2008
Location: Fayetteville, GA
Posts: 164
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Quote:
Originally Posted by jeff beckley
I did a cross country trip yesterday and could not get GPS positioning. I was at 7000 feet with no Cellular service. On another trip I was at 3500 feet with some cell service and the GPS had me positioned on ForeFlights sectional just fine. On my Ipad we need some cellular coverage to get GPS. Bummer!
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I have an iPad 3g with airplane mode off and have not activated the 3g service yet. I flew today and did not turn the unit on until reaching 3500'. The gps moving map worked fine with Foreflght and Skycharts Pro.
__________________
Tommy Turner
Fayetteville GA
RV-4 sold
RV-6 sold
RV-8 Flying
RV-14A building
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05-14-2010, 12:03 AM
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Join Date: Nov 2006
Location: Cumming, GA
Posts: 610
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don't think so
Quote:
Originally Posted by jeff beckley
I did a cross country trip yesterday and could not get GPS positioning. I was at 7000 feet with no Cellular service. On another trip I was at 3500 feet with some cell service and the GPS had me positioned on ForeFlights sectional just fine. On my Ipad we need some cellular coverage to get GPS. Bummer!
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Flying high with iphone, a friend tested a gps app on the phone and it initially would not work. We rebooted phone and the gps started working great. It looks like the assisted GPS feature can get a bit confused when it loses the cell signal. I don't really know if reboot or some other incantation is required, but we did witness good gps tracking with no cell signal.
__________________
Don Hall
N517DG - RV7 - Flying!
Ticked Van's Hobbes meter at #6110, 3/7/09
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05-14-2010, 09:18 AM
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Join Date: Jun 2006
Location: Vero Beach, FL
Posts: 881
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Quote:
Originally Posted by pierre smith
...if I have the low altitude IFR charts loaded, can I not simply 'pull' the chart along as I fly? After all, I have two moving maps in the 496 and 430W.
Best,
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Pierre,
I didn't see an answer to your question, and I am assuming that if the map is not georeferenced (has no GPS reference to center the chart on your position), that you would just drag the chart along with your finger as has been demonstrated in a couple of the videos of ForeFlight and SkyCharts Pro that are out there.
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