Global positioning systems

In this November 2019 photo provided by the Voyageurs Wolf Project, the Shoepack Lake Pack of wolves stops in front of a remote camera set on a trail in Voyageurs National Park, Minn. Scientists studying gray wolves in the park have traced how wolves preying on beavers affect the ecosystem by impeding the ability of beavers to build and maintain new dams that create wetlands. (Tom Gable/Voyageurs Wolf Project via AP)

FILE - In this Jan. 7, 2015 file photo, Garmin's Vivofit 2 fitness tracker is on display at the Garmin booth at the International CES, in Las Vegas. GPS device-maker Garmin’s online fitness tracking service has gone down, leaving runners and cyclists struggling to upload data from their latest workouts. Garmin Connect, an app and website that works with the company's popular line of fitness watches, remained out of service on Friday, July 24, 2020. (AP Photo/Jae C. Hong, File)

In this photo released by Xinhua News Agency, a rocket carrying the last satellite of the Beidou Navigation Satellite System blasts off from the Xichang Satellite Launch Center in southwest China's Sichuan Province, Tuesday, June 23, 2020. China launched the final satellite in its Beidou constellation that emulates the U.S. Global Positioning System, marking a further step in the country's advance as a major space power. (Xue Chen/Xinhua via AP)

A person holds a smartphone with the official 'Corona Warn-App' (Corona Warning Application) in Berlin, Germany, Monday, June 15, 2020. The app will be introduced on Tuesday, June 16 by the German authorities. (AP Photo/Michael Sohn)

Cameron Karosis, 27, a software salesman, poses for a portrait outside his home, Tuesday, April 14, 2020, in Cambridge, Mass. Karosis usually strives to protect his personal information. But a scary bout with COVID-19 that began with headaches and fevers, progressed to breathing problems and led to a hospital visit has now left him eager to disclose as much as possible to help halt the virus' spread. “I’m sick and I’m under a quarantine -- hold me accountable for it,” he said. “You have the potential to kill other people.” (AP Photo/Elise Amendola)

FILE - In this March 10, 2007 file photo Iditarod Trail Sled Dog Race front runner, four-time Iditarod champion Jeff King of Denali Park, Alaska, drives his dog team through the wind on the Yukon River near the Eagle Island, Alaska. When 57 mushers line up Sunday, March 8, 2020 for the official start of the Iditarod Trail Sled Dog Race, it will be the second-smallest field in the past two decades. (AP Photo/Al Grillo,File)

NFL free agent Antonio Brown appears at the Broward County Courthouse in Fort Lauderdale, Fla., via video link Friday, Jan. 24, 2020. Brown was granted bail on Friday after spending the night in a Florida jail. The wide receiver will have to pay a bond of $110,000, surrender his passport, wear a monitor, get mental health evaluation and pass random drug tests. He also can't have guns. Brown is accused of attacking the driver of a moving truck that carried some of his possessions from California. (Amy Beth Bennett/South Florida Sun Sentinel via AP, Pool)

FILE - In this Thursday, Feb. 21, 2019 file photo released by the Estonian Union for the Protection of Animals, an approximately one-year old male wolf suffering from shock and hypothermia is seen in an animal shelter near Parnu River, Estonia. Estonian authorities on Thursday, June 20 say a wolf that captured international attention earlier this year after being rescued from an icy Estonian river by construction workers has likely been killed. (Estonian Union for the Protection of Animals via AP, file)