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Is anyone else seeing a large amount of clock drift on their thunderbolts? I gain 122 seconds a day and 14 seconds at every boot according to ClockSync. ClockSync has been keeping my system clock corrected to date and I suppose that works but still, 2 min a day and 14 seconds at a reboot? That seems to be an awful lot.
So, is anyone else seeing this?
TB - Rooted, Das BAMF 1.4 but not OC'd.
mezman said:
Is anyone else seeing a large amount of clock drift on their thunderbolts? I gain 122 seconds a day and 14 seconds at every boot according to ClockSync. ClockSync has been keeping my system clock corrected to date and I suppose that works but still, 2 min a day and 14 seconds at a reboot? That seems to be an awful lot.
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Click to collapse
There's the actual time, there's Linux system time, there's the time kept by the RTC hardware, and there's cellular network time. They're all a bit different.
Clocksync is an NTP client, and tries to keep Linux system time in reasonable sync with external NTP servers, which should be in reasonable sync with the actual time (UTC). That's all on the order of milliseconds, if everything is working as it should.
CDMA and LTE network time is required to be in close sync with UTC, too - on the order of microseconds. This is a better source than a remote NTP server. In fact, some Stratum 1 NTP server get _their_ time from a CDMA network.
Most CDMA phones get their time from the network, and I suspect the TB does, too. I don't know if Android uses the kernel time discipline to keep the system time in sync with network time, I suspect it does.
I doubt Clocksync does anything good on a CDMA/LTE phone, the time received from the network is better, and probably being used to begin with. As I recall, GSM/UTMS base stations only need frequency accuracy, so Clocksync is probably useful there.
The difference you're seeing on boot is probably the difference between RTC time and system time, after the latter has been synched with network time. The RTC is only there to keep time when the device is powered off, so not much money is put into keeping it accurate. A CDMA/LTE phone is expected to be getting time from the network while in use.
So you're saying that I shouldn't be using ClockSync then as it's setting my system time different than the CDMA/LTE time my TB should be getting from the network? Or is it just redundant and unnecessary?
Also, I could see the RTC being 14 seconds off network time but once the phone is up and connected to the Verizon network, shouldn't it sync it's time with the CDMA/LTE time? Until I force ClockSync to update the system time, it remains 14 seconds off from NTP time, regardless of time since the phone booted.
It appears that Android may be setting system time to match GPS time. See the issue discussed at code.google.com/p/android/issues/detail?id=5485
Huh, that's a good read. Seems that no only is Android setting the time to GPS time, but doing it incorrectly. I guess though, if I turn on my phone in a building where it can't get a GPS signal, will my phone sync the system time to GPS time next time it can see the sky?
hi there
i wanted to know what is the real reason for we have to use an app such as clocksync (great by the way).
for instance, my old 10 years nokia doesn't need "resync" and keeps the right timing while my smartphone now needs to have the time corrected otherwise it will drift away plenty of minutes.
and also, in order to sync with clock sync, i need a data connection, but if i travel overseas and i keep my data roaming disabled, i will never be able to do that, correct?
thanks
gabrio
Who says you have to use the app? I use it mainly on my touchpad because the clock gets reset sometimes and the market doesn't work because of it, unless this happens on your phone you don't need to use it. Yes you need a data connection for it, or wifi.
It is hardly ever really out on time but I like to be precise so even since the days of WM have used applications similar to clock sync and clock sync therefore is essential to me...
Sent from the valley of the shadows....
I'm ClockSync developer, your question is answered in the application FAQ:
Q: Why would I need ClockSync, Android already has Automatic setting for Date & time?
Not all the mobile operators support automatic time synchronization mechanism called Network Identity and Time Zone (NITZ), therefore this setting may have no effect at all. Even if your provider supports NITZ, the information it sends may be inaccurate. There are also devices without SIM card, especially tablets that have no access to the network time. If Android Automatic mode works fine for you, then you are lucky and probably don't need ClockSync, otherwise it's recommended to disable it to avoid conflicts and getting incorrect time, see also a question about wrong time after synchronization below.
Guys,
Lot of talk regarding battery life/ standalone/ accuracy of gear S apps for running.
Used both Nike and S Health- to me both were standalone.
Few bullets
1) some stated that even with GPS on and locked that s health still uses pedometer for distance? (is this true?)
2) I'm still confused if I need gear network AND/OR mobile network on/off - does this affect battery life- if I leave OFF all networks...will my run sync once I turn mobile network or Bt with phone on?
3) any way to get splits read to you (cannot believe this is missing)
4) I don't think this device will get through a marathon unfortunately
Yikes! Just did the car test (run shealth with hand out car) and I can confirm that it doesn't use gps for anything other than map. Feel duped
Relies on pedometer I think
Sorry for my blast posts. It is possible that it only records speeds in running range? I shook hands and didn't increase speed. Also noticed a bike option. Perhaps wrong about duped. Lol
Hello Jeffruby,
I've been in contact with Samsung about S-Health on Gear S and they confirmed that they are not measure the distance with the GPS, just the map (Totally insane!)
The Nike+ app is tracking the distance correctly with GPS though. If you have everything turned on (GPS, GSM, Bluetooth), then you would get probably about 4-5h of battery time. My goal is to use it on the next marathon and be able to listen on music for the last 60min of the race but i guess I need to run on 3:30 or something to make this possible
BUT, unfortunally the Nike+ app are missing the most important thing and that's the avg pace for the total run. It just show current pace and I don't really like that since it's changs so often so it's hard to see what speed you are runnig at.
So, yeah, I really hope for an update on either of these running apps ASAP!
HTC, thanks.! What a shame re s health app. How do you think it does distance for biking though if uses pedometer for distance?
The Nike app is close to being good..... I can't see the red on black, while your running you can't read scrolling info and of course the avg pace of run is the gold
Also in Nike app you have to turn on GPS manually, not from the app, if you want to track distance accurately. If you don't it uses accelerometer. With GPS on in general battery life is not good. My longest run was 30K in 2:45 had 18% battery left. Also there is one more strange thing about S health - calorie count maxes out at 1000
OK , so I did another test today - used shealth on bike mode. Stuck arm out car window with GPS on. Kept arm still. It tracked distance completely accurately. This tells me that the s health must indeed use GPS accurately. I think the jog portion only measures speeds in running or walking rates as it did not pass my car test.
The Nike app is a bummer as you can't verify GPS lock before it starts. Also the reasons mentioned prior.
The s health app is easier to read but doesn't show you 1 mile splits on the phone app. This is unacceptable.
Completely agree with the issues mentioned with nike+ Visual gps status before starting, the ability to display the info you want while running, and a always on mode during use would also be handy. Now I have to flick my wrist and wait untill the display goes on. It takes too much time and you're not seeing what's happening before you. A quick glance should be all. Currently i use a gear store app called screen awake for this.
Yeah, i have been logging miles with the Nike ap too. Its not perfect, but it works for me.
I have 79 miles all logged on my Gear S nike ap this year.
Sent from my SAMSUNG-SM-G900A using XDA Free mobile app
Not to mention Nike app wastes battery with hr but doesn't record it.
The S Health app records continuous HR during your run. I'm not sure how the Nike+ app works to record HR data. Is it continuously tracking/recording HR data? Or does it do it intermittently when you activate the display and wait for the information to scroll (on the bottom of the screen) to HR?
glenner05 said:
Completely agree with the issues mentioned with nike+ Visual gps status before starting, the ability to display the info you want while running, and a always on mode during use would also be handy. Now I have to flick my wrist and wait untill the display goes on. It takes too much time and you're not seeing what's happening before you. A quick glance should be all. Currently i use a gear store app called screen awake for this.
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In the Nike+ app there's a small round indicator in the upper righthand corner that turns green as soon as there is a GPS lock. Always on mode is great, but it increases battery drain, so I just do the wrist flick.
Jerome, I think he is referring to indicator if Nike gps locked in before you hit start run. No runner wants the first 0.1 mile not to be recorded.
htcdiamondswe said:
Hello Jeffruby,
I've been in contact with Samsung about S-Health on Gear S and they confirmed that they are not measure the distance with the GPS, just the map (Totally insane!)
Click to expand...
Click to collapse
Could it be that the person you talked to had no idea what they were talking about (my usual experience with samsung, sadly)?
I am asking because Gear S tracks distance even with data off. After the run, if i don't see a map, only a track of my steps(*), I think data was off, but I still get the same results. I took mine to Europe with me and still got the distance tracked on my runs, even though the SIM card in it wasn't working. Wouldn't that be a sure indicator that what Sammy told you is incorrect?
(*) when data is on, my tracks are superimposed over a map.
xendula said:
Could it be that the person you talked to had no idea what they were talking about (my usual experience with samsung, sadly)?
I am asking because Gear S tracks distance even with data off. After the run, if i don't see a map, only a track of my steps(*), I think data was off, but I still get the same results. I took mine to Europe with me and still got the distance tracked on my runs, even though the SIM card in it wasn't working. Wouldn't that be a sure indicator that what Sammy told you is incorrect?
(*) when data is on, my tracks are superimposed over a map.
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Hello,
I guess I have to answer both Yes and No on that question
I've tried to reinstall, run without data, without simcard, yeah, tons of different test and it's always way off (map is accurate but the distance it shows is totally off). Another poster in this topic also had the same issue but then he told me to test and choose 'cycle' as training mode instead of running, and, when I did that, then S-Health tracks the distance accurate. So, with other words the application have support for tracking distance in that training mode but of some reason it seem to choose to track the distance by counting steps if I choose running/walking as training mode. So, i'm not sure, maybe your device of some reason have this working on all traning modes. I hope so, and, that someone can explain for me hoooooooooooooooooooow to change this
My gear s tracks distance very accurately when I run gps on. However with GPS off using pedometer it overestimated my distance by approx 0.1 per mile. So gps must work. I did discover as mentioned above, that at high speeds need cycle on.
Not sure if this has anything to do with anything, but my Gear S is the US ATT variety.
In my case, I am fairly certain that no maps are used for measuring distance. Maybe I lucked out.
And when I said my distance gets tracked earlier, I meant the tracks you see at the very bottom of the log in S Health, that correctly display where I took turns, looped back, etc. Without data on, there is no actual map behind them, with data on, there usually is (I had a few flukes before.) The pedometer would not know about turns taken, though.
BTW, I had issues getting a GPS lock for a while until I realized that my phone is messed up. Once I started using the Gear S in stand-alone mode, all was good.
Just bought a new Stratos and i am unable to get any data on VO2 max
I have tried - Outdoor running, Indoor running(treadmill), Indoor walking (treadmill), Indoor Cycling, Ellipticals
I have done it for 7 days
I see the Training Load information - says Optimum
I also see Recovery Time
I want to see the following (these are advertised features of the watch).
1. VO2 max
2. Training Effect
3. Training Load - yes i see it
4. Recovery time advisor - yes i see it
5. Real time performance condition
6. Personalized training plans
7. Real time coaching
8. Calories burned - i see it
How do i get to these information on the watch or on the app?
Please help.
thanks
jim
Training effect is shown on each workout in watch and app.
VO2max is calculated only if you do an outdoor run for at least 20? minutes with at least 75%? of your maximum heart rate. VO2max will be only correct if you are training running.
For a short and long term fitness indicator check out your resting heart rate.
Hi! I have followed the instruction from the Stratos manual, took a running session for more than 20 mins with the HR above 75% of the maximum heart rate. I have used Polar H10 as external sensor, connected to the watch and I also had bluetooth headphones connected. GPS was on and recorded precisely the trajectory. Unfortunately VO2max still shows „no data”. Should enable Huami Lab or any other feature in order to compute and display VO2? Thanks!
same VO2 Max problem
Hi, I've had this problem for a month now. I have entered all correct personal data into App re Height, Weight, etc, set activity to Running and reached at least 75% heart rate for over 20 mins, ended activity and saved data - Watch itself states "no data" and the App shows an updated date for that activity's VO2 Max but constantly shows a reading of Zero. This was working fine since I've had the watch until now.. I did update the watch to version 2.3.9.0 around the time the issue started, so of course it's possible it is a software issue, but I've struggled to find many other reports of this issue nor any solutions..
Can anyone help?
Many thanks
Cleebers said:
Hi, I've had this problem for a month now. I have entered all correct personal data into App re Height, Weight, etc, set activity to Running and reached at least 75% heart rate for over 20 mins, ended activity and saved data - Watch itself states "no data" and the App shows an updated date for that activity's VO2 Max but constantly shows a reading of Zero. This was working fine since I've had the watch until now.. I did update the watch to version 2.3.9.0 around the time the issue started, so of course it's possible it is a software issue, but I've struggled to find many other reports of this issue nor any solutions..
Can anyone help?
Many thanks
Click to expand...
Click to collapse
Corrupted data, maybe? If you haven't done yet, unpair watch and pair again, if it doesn't fix your problem then do it again but do *not* restore old data to watch when pairing again (it will reset all data on watch). You then may want to turn off the device for about 15s to make sure sensors are also reset and enable continuous HR for at lest 24h and use the watch while you sleep, this will calculate your resting HR and improve futire HR readings.
the firmwere shows VO2 header but readings are missing, this could be possibily because of the fact that gadget does not have built in hardware to measure v02! u would need to buy higher variant to see that reading! quite an old marketing strategy.
Hi All.
I recently got an Amazfit Stratos and I am having a horrible time trying to gps track my outdoor cycle.
I have tried twice, and both times, the GPS just either:
*Intermittently records data
or
*stops recording gps data altogether.
Basic questions?
Urban areas and Woods... same issue
Urban areas are residential.. no high tall building
Weather was good on both occasions
Yes I am waiting for GPS lock
Heart rate and time measurement continue flawlessly (shows data for the entire ride). It's just GPS tracking that is totally weird.
P.S. It's not "drifting" or inaccurate.. it seems to only switch on the gps sporadically... recording "every now and then"...
No errors or issues reported during the activity.
Latest Firmware (Although last nights a new firmware popped up, haven't tried the activity with last night's firmware.)
Both previous activities was on latest firmware at the time. (Yesterday and the day before)
And the REAL issue for me really, is that my wife's Pace records perfectly on the exact same routes where my Stratos just can't get anything usable going...
I have logged "feedback" request with logs using the app, but have not had any response other than, thanks.. we may use your feedback in the future...
From my own conclusions, the gps works.. because when it tracks... the location where it tracks is accurate.. it just doesn't track constantly. See my attached screenshot of my last ride. (Where my wife and her Amazfit pace tracked perfectly)
Any Ideas?
Cant add the image due to post count... How do I add it to this post?
Have you tried factory reset of the watch? Procedure is to unpair it from the app, it will reset itself, start fresh clean and ask for a pairing.
After pairing it will load last 7 days of your work, while all other old data will remain in the app, on your Mi account cloud. What you will have to add separately are only the 3rd party watchfaces, if you have installed them before.
Strongly suggest you try this first, it takes 5 minutes of your time, and you will lose no data.
image
https://ibb.co/rcJXcyx
Thanks Nidza. I will surely try this. I have not yet as the watch is brand new. Upon receiving it It upgraded firmware 3 times from out of the box, and then I started using it.
I will give it a try, surely cant hurt.
Well what do you know. That factory reset seems to have done the trick!
Thanks!
Some points worth noting:
from the factory settings, a few watch settings did not pull through from the sync back to the app after factory reset.
Time format: My previous time format was 24h (Doubt that makes a difference)
Auto Sync: After factory reset, auto sync is off (I had it "on" before). Can't say if this actually causes any bugs to pop up? Maybe the watch tried to sync which interfered with gps functions? I used it yesterday with auto sync off and it worked well. I will investigate if auto sync on causes the GPS issue again.
Thanks again.
Hi guys, is it normal, that my Stratos's Gps show me the speed to much delayed. I checked it with my car, and the gps gets to the same speed as my phone's one, but maybe 10 seconds later. By skiing it can mean worse maximum speed measurement. It is like that with all the Amazefit Startos watches or I have a wrong one? Thanks for the answers!
It's not the same sampling frequency for a car as it is for a walking man. Watch gps do not need to detect non-human speeds, so there is a lower sampling. (Slower).
Same issue again FW version 4.2.8.0:
stops recording gps data altogether after a few minutes.
I've reset and unpaired the clock twice but the issue remains.
Any advice?