Application "WeatherSignal" that improves weather forecast precision with smart battery

A researcher from a chemical maker had been studying a strong adhesive, but weak adhesion has been made and a big failure ... It is a failed work such as a weak adhesive etc.! When my colleague thought that "This characteristic that you can adhere to this moderately, and it will peel off cleanly when you peel off, it can be used for something ... ..." that inspired me to become a big hit item , 3M company's "Post · It"Is a famous anecdote, but the ability to find completely different values ​​from events that happened accidentally like this is called"SerendipityI am calling it "chance absurdity". Extensive research is under way to demonstrate this "serendipity" and to use smartphone batteries to improve weather forecast accuracy.

Mobile meteorology: smartphone batteries will change the way we measure the weather - OpenSignal
http://opensignal.com/reports/battery-temperature-weather/

Established in 2010, "OpenSignal" is headquartered in London, England, and its main task is to investigate the coverage area of ​​mobile radio waves. The company's application "OpenSignal" installed on a smartphone of a general user is used for investigation, and by periodically sending position information, radio condition, battery voltage, etc. to the server in an anonymized form , We collect and accumulate data.

The following screen is displayed on the website, indicating that the radio wave becomes stronger from blue to red.

3G and 4G LTE Cell Coverage Map - OpenSignal
http://opensignal.com/


Well, from here it is the main subject, but there is data of "battery temperature" in the information sent from that user. One staff noticed that this data and the temperature data correlated.


As a result of research,Calculate the temperature of a certain area of ​​a terminal from the battery average temperature of a plurality of mobile terminalsIt is now possible. Until that time I had not found a relationship "Battery temperature"When"temperatureThat was suddenly linked. With this method, the data of temperature and climate that had not been long enough to rely on the observation equipment of each region until now will flow from the smartphone full of the streets. And it may be possible to utilize the huge "big data" gathered from many terminals, to make more precise weather forecasts.

So, as the application was developed immediately, I actually decided to download it to Galaxy S4 and try using it.

◆ Installation
Search by "WeatherSignal" will hit, so tap it. Alternatively,This pageIt moves directly to.


Tap "Install".


Tap "I agree".


Tap "Open" when installation is completed.


As the "Welcome" screen appears, tap "OK".


The main screen is displayed. The name of the character in the form of sunglasses is called "Atmos", and from the information of various sensors, I am sensing what kind of situation the user is now (walking, riding a bicycle, being outdoors, etc.) . "Temperature" "Humidity (humidity)" "Mag.flux (geomagnetism)" is displayed from the upper left corner of the screen, "Light" and "Pressure" are displayed on the right.


Tap "Temperature" at the top left to display such a line graph. The white line shows the change in the value of the data.


Also, by tapping 'Hour' or '10 min' at the top it is also possible to change it every 10 minutes to a monthly graph. "10 min" is like this. It can be seen that the temperature changes from 32.3 ° C to around 33.3 ° C.


Let's send the data taken like this. Tap "REPORT" on the menu screen.


"Share the weather and please cooperate in improving the algorithm" is written, and fill in and select "comments" "indoor or outdoor?" "The current weather" in order from the top and select "Submit report! Tap.


"Saved observation!" (Data saved) is displayed and transmission is completed.


Also, when you tap "MAP" on the menu screen, the position and contents of the collected data are displayed.


Although the application itself is still unstable in operation, I would like to expect improvement in the future, but as research is promoted based on the data gathered in this way, it seems to be useful for improving future weather forecast.