(free) gps2tas iphone app

[N8RV]

FWIW, after successfully upgrading my 3Gs with iOS4, I've noticed no degradation in speed. Everything appears normal to me.

While flying today, I decided to try out your app. Flew the headings, input the ground speeds and <voila'> my TAS was 163kts. My EFIS was reading steady at 160kts, so it apparently reads 3 knots slower than I'm really going.

Thanks for the cool app, Don!

[craigvince]

I had a chance to try out this app yesterday and it worked great.

FWIW, I have the new OS4 on my 3GS and haven't noticed any difference in performance since OS3. I am curious to find out about the free upgrade though.

[rvmills]

Originally Posted by rleffler

You don't have a choice with the new phone, it comes with the new os.

bob

Bob,

Roger that...what I meant to ask is, was Don recommending not only waiting to upgrade a 3G to ios4, but also waiting to get an iPhone4 at all until after some patches are in for ios4...not sure if the issues (which appear to be intermittant and not universal, but would certainly find me ) are also hitting the 4. Was just asking before I drop the bucks on the 4.

Originally Posted by craigvince

snip...I am curious to find out about the free upgrade though.

I think free in this context meant no early termination fee, as long as you're in the "upgrade window"...phone still costs money (dern it! )...biz as usual...except it appears the upgrade window has been expanded due to the rapid advances in products...and perhaps to keep the hoardes of semi-recent 3G/3GS buyers from screaming too loud.

I was in Best Buy looking for a couple other items, and mentioned to a phone guy there that I may be upgrading to the 4. He jumped on that, and pulled up my ATT account, and said I was eligible (later confirmed by ATT). Best Buy guy (admittedly not the best source of data) said as long as you're within a year of upgrade eligibility (time left on contract), you can upgrade. He quoted $199 for a 16 gig and $299 for a 32 gig, with no rebate needed to get that price. He mentioned that ATT might get you to that price with a mail-in rebate, but I have yet to confirm that, since no stores here have them. Not quite free, but at least there are options for upgrading.

To keep it thread-related, just looked again for the 3G version of gps2tas, but its not in the store yet. No worries...just interested to see how it compares to the NTPS sheets, which show my TAS readout is 2-5 knots fast (1-2%, at max speed) over several different speed mod test runs (avg +3). It'll be fun to see!

Cheers,
Bob

[chinch]

Just to avoid any confusion - a 3G (first 3G iPhone) is not the same as a 3GS (which came out later, with the compass etc). As I understand it, a 3GS runs iOS4 reasonably happily. 3G, not so much.

[Ironflight]

Originally Posted by chinch

Just to avoid any confusion - a 3G (first 3G iPhone) is not the same as a 3GS (which came out later, with the compass etc). As I understand it, a 3GS runs iOS4 reasonably happily. 3G, not so much.

That's been my experience for the past few days - my IT guys upgraded mine as a matter of course, and it seems to be running just fine. I am definitely not a power user though - I have it because they give it to me....

[rvmills]

Originally Posted by chinch

Just to avoid any confusion - a 3G (first 3G iPhone) is not the same as a 3GS (which came out later, with the compass etc). As I understand it, a 3GS runs iOS4 reasonably happily. 3G, not so much.

Originally Posted by Ironflight

That's been my experience for the past few days - my IT guys upgraded mine as a matter of course, and it seems to be running just fine. I am definitely not a power user though - I have it because they give it to me....

Roger all, and thanks! I'll just apply the "if it ain't broke" theorum to the phone till after OSH, so comms will remain up!

Oh, and I asked the Best Buy guy if he had an OSH special on the phone...he just looked at me like I had a horn growing out of my forehead! Think ATT or Apple will have a booth there?

Cheers,
Bob

[apkp777]

Originally Posted by Bubblehead

Wasn't that the "Newton?"

Yep, that's it the Newton. It was one of the earliest PDA's. Had marginal performance. And of course, since it was before Al Gore, no internet.

[dhall_polo]

gps2tas app now supports the older iphoneos and ipad. v4 no longer required.

[hevansrv7a]

All you need to get to CAS is to convert TAS using pressure altitude and OAT, assuming they are equally accurate. There is a page on each of my spreadsheets on the left side of the page for that.