[导读]GPS L1 C/A信号（1575.42 MHz，BPSK调制，1.023 MHz码率）是软件定义无线电（SDR）入门经典案例。借助RTL-SDR / HackRF / USRP + GNURadio或Python，可完成从原始IQ到NMEA语句的完整处理链路。本文聚焦工程实现要点。 GPS L1 C/A信号（1575.42 MHz，BPSK调制，1.023 MHz码率）是软件 ...

Garmin watches are among the top options for accurately tracking outdoor workouts. However, knowing the best GPS setting for the occasion can be tricky. There’s plenty of jargon to demystify, thanks ...

Florida's opossums could soon become weaponized against prolific and invasive Burmese pythons by tracking them.

NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Bethany Heitman Contributing Editor As a mom, I can tell ...

The Suffolk County Sheriff’s Office is equipping some deputies with dart-launching devices that fire GPS trackers, a move aimed at reducing the need for high-speed pursuits. The launcher, mounted in ...

YAPHANK, Long Island (WABC) -- The Suffolk County Sheriff's Office is rolling out new high-tech tools to stop dangerous police chases. It's a first-of-its-kind system using GPS-tracking darts to tag ...

Dog tracking devices provide peace of mind for owners during travel, off-leash play, and for dogs prone to escaping. There are several types of trackers, including GPS, Bluetooth, and smart collars ...

GPS trackers have come a long way over the years. The best ones now give you real-time location, movement alerts, and trip history from your phone. And when something feels off, you can pull up an ...

For months, I tested Tractive and Fi Mini smart collars on my cat to find the best for activity, sleep, and GPS tracking. But why should humans have all the fun? Enter: smart collars for your cat. In ...

Vehicles and the cargo they carry are a fleet’s most valuable assets. Without a reliable tracking system, you risk theft, increased fuel usage and loss related to unsafe driving behaviors. The best ...

CHARLESTON, S.C. (WCSC) — A South Carolina GPS monitoring company failed to properly track approximately 144 defendants charged with serious violent offenses after a contract dispute cut off its ...

Jennifer Lewis and her family have built their lives around the uncertainty of their daughter’s school bus schedule. Lewis and her husband, Josh, both 49, wake up at 4:30 every school morning, about ...