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iPhone 14 Pro comes with dual-frequency GPS

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131–140 of 205 posts

Re: iPhone 14 Pro comes with dual-frequency GPS

#132
post #118

Earlier quoted context omitted.

Even iPads using an iPhone as a tether will use the iPhone GPS for location =)

Huh that sounds odd. Doesn't a tablet have a bigger battery than a phone?

Yes, but iPads without the cellular option also lack a GPS receiver.

Re: iPhone 14 Pro comes with dual-frequency GPS

#133
post #54

Earlier quoted context omitted.

Android has copy and paste before iOS but you wouldn’t want to brag about it just because. It didn’t work well at all till iOS came out with their implementation

yep, everytime Apple makes a feature actually useable, all the android people come out furious. my guess is android people also use windows, and are used to constant blue screens, malware, and random crashes.

> my guess is android people also use windows, and are used to constant blue screens, malware, and random crashes.

Have you just woken up from a coma you fell into back in the 90s?

Re: iPhone 14 Pro comes with dual-frequency GPS

#134
post #123

iPhones don't have dual-band GNSS already?! You can get tri-band Android phones for far less than the cheapest iPhone 13 .

Such as? I'd be interested but don't know I would find any. Dual-frequency is already hard to come by and only mentioned somewhere far down their spec sheets.

I have a Pixel 6 Pro, which shows me connecting to GPS on L1 & L5, GLOSNASS on L1, Galileo on E1 and E5a, and BeiDou on B1 and B2a. Unfortunately for the GP's point, that's quad-system but still only dual-band, as L1, E1, and B1 are 1575.42 MHz and L5, E5a, and B2a are 1176.45 MHz.

Quite fun, but not surprising: all the satellites I'm picking up on L5 frequencies I'm also picking up on L1 frequencies, between 24 and 27 signals, sitting in my front room. British houses are not very good at blocking GPS, it seems.

The various signal plan pages on the ESA Navipedia were useful for validating those values: https://gssc.esa.int/navipedia/index.php/Category:GNSS_Signa...

Re: iPhone 14 Pro comes with dual-frequency GPS

#136
post #120

Xiaomi released a phone with dual frequency GNSS in 2018 (with the Broadcom BCM4775 chipset), and as far as I know most Android phones have had it since then, or maybe a bit later. If you want to see if your phone supports it, try GPSTest. Garmin has recently released several watches with it as well, both their high end models and some more affordable ones. They also have an auto mode that switches it on or off depen…

The speedup you are noticing is probably mostly due to assisted gps, where your phone gets a location using - partial gps information + wifi location + cell tower location all triangulated. Your eg early 2010 car gps unit didn't have any of the addition ways to speed up the location fix

Downloading the orbital parameters can be done via the internet rather than at the 50 bps that the satellites broadcast them at.

Re: iPhone 14 Pro comes with dual-frequency GPS

#137
post #116

Earlier quoted context omitted.

Apple has supported GNSS since the iPhone 8/X generation in 2017. This is about L5 GPS which I'm not sure how well this is supported in general ATM as its pretty new

GNSS is a generic term for satellite based positioning systems. It looks like you're referring to the iPhone adding Galileo support in the 8/X. L5 support has been available in a number of devices for a couple of years now. Garmin was one of the first to use L5 in commercial devices, with their Fenix watches a while back. The phone I'm currently using, the Pixel 6 Pro uses the L5 band. It's nice and I can definitely…

In my experience I find Apple tends not to add features that don’t meet a reliability or quality bar, which is why they’re usually not first movers on things like 4G or 5G.

I had an LG phone that was one of the first in 4G (at least on my carrier) and the thing ran so hot it was often painful to touch.

Re: iPhone 14 Pro comes with dual-frequency GPS

#139
post #98

Earlier quoted context omitted.

Quoted post unavailable.

It interesting how Apple has been able to stay ahead while often being a step or two behind from a technological standpoint (in some areas at least). I think it goes to show how important it is to have things work in a very seamless way.

The real player in this space is Nintendo, which specifically uses commodity hardware in its devices to drive down costs and to my knowledge does not sell consoles at loss the way that MS or Sony do or have done in the past.

As I once heard it described, Nintendo is fine to laugh about being a second-rate console all the way to the bank, because while MS and Sony fight out expensive battles to be people’s first consoles, the second console is usually Nintendo.

Re: iPhone 14 Pro comes with dual-frequency GPS

#140
post #116

Xiaomi released a phone with dual frequency GNSS in 2018 (with the Broadcom BCM4775 chipset), and as far as I know most Android phones have had it since then, or maybe a bit later. If you want to see if your phone supports it, try GPSTest. Garmin has recently released several watches with it as well, both their high end models and some more affordable ones. They also have an auto mode that switches it on or off depen…

Apple has supported GNSS since the iPhone 8/X generation in 2017. This is about L5 GPS which I'm not sure how well this is supported in general ATM as its pretty new

I'm not sure what you're talking about. GNSS is just a generic term for a "global navigation satellite system."
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