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The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite systems (GNSS) that provides geolocation and time information to a GPS receiver anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites. Obstacles such as mountains and buildings can block the relatively weak GPS signals.
The GPS does not require the user to transmit any data, and it operates independently of any telephonic or Internet reception, though these technologies can enhance the usefulness of the GPS positioning information. The GPS provides critical positioning capabilities to military, civil, and commercial users around the world. The United States government created the system, maintains and controls it, and makes it freely accessible to anyone with a GPS receiver.The GPS project was started by the U.S. Department of Defense in 1973. The first prototype spacecraft was launched in 1978 and the full constellation of 24 satellites became operational in 1993. Originally limited to use by the United States military, civilian use was allowed from the 1980s following an executive order from President Ronald Reagan after the Korean Air Lines Flight 007 incident. Advances in technology and new demands on the existing system have now led to efforts to modernize the GPS and implement the next generation of GPS Block IIIA satellites and Next Generation Operational Control System (OCX). Announcements from Vice President Al Gore and the Clinton Administration in 1998 initiated these changes, which were authorized by the U.S. Congress in 2000.
During the 1990s, GPS quality was degraded by the United States government in a program called "Selective Availability"; this was discontinued on May 1, 2000, in accordance with a law signed by President Bill Clinton.The GPS service is controlled by the United States government, which can selectively deny access to the system, as happened to the Indian military in 1999 during the Kargil War, or degrade the service at any time. As a result, several countries have developed or are in the process of setting up other global or regional satellite navigation systems. The Russian Global Navigation Satellite System (GLONASS) was developed contemporaneously with GPS, but suffered from incomplete coverage of the globe until the mid-2000s. GLONASS can be added to GPS devices, making more satellites available and enabling positions to be fixed more quickly and accurately, to within two meters (6.6 ft). China's BeiDou Navigation Satellite System began global services in 2018, and finished its full deployment in 2020.
There are also the European Union Galileo navigation satellite system, and India's NavIC. Japan's Quasi-Zenith Satellite System (QZSS) is a GPS satellite-based augmentation system to enhance GPS's accuracy in Asia-Oceania, with satellite navigation independent of GPS scheduled for 2023.When selective availability was lifted in 2000, GPS had about a five-meter (16 ft) accuracy. GPS receivers that use the L5 band can have much higher accuracy, pinpointing to within 30 centimeters (11.8 in), while high-end users (typically engineering and land surveying applications) are able to have accuracy on several of the bandwidth signals to within two centimeters, and even sub-millimeter accuracy for long-term measurements. As of May 2021, 16 GPS satellites are broadcasting L5 signals, and the signals are considered pre-operational, scheduled to reach 24 satellites by approximately 2027.
I’m in the market to buy a new watch. I’m used to buying “shinier” watches since I work in a business environment, but I have a habit of breaking them when I’m exercising/hiking/shooting/etc. I’m looking for watches that are durable, can withstand different climates, and also have handy survival...
2 Lightly used Garmin 750 Rinos. Walkie talkies and GPS. Talk to your buddies or track them. Easy to see where other Rino's are at on the map. Comes with 2 new rechargable batteries and the two batteries that are in the Rinos where purchased in Oct. and never used. 1 battery pack for AA...
I replaced the factory battery in 2020 and it is running strong. I also have the alkaline battery pack as a back up for multiple day hunting trips. If you have not used these they are a great tool for groups who hunt together.
I accept Zelle or Cash. Or a A TM blue folding stock for the...
I've got a lightly used Garmin 66sr for sale; I ended up going a different route. I bought it earlier this year for hunting, and it's in pristine shape.
Cash, no trades $360 in the Roseburg area. I'll consider shipping to supporting members with positive feedback.
Joining some friends on an eastern Oregon elk hunt and they use Garmin Rino's. I'd like to get my hands on something used so I am not spending my life savings on something I am not positive I will use long term. I'd prefer the 750 (what they mostly use) but I believe a 650 would work just fine...
Brand new in box EyeRide optical HUD with Bluetooth. Connects to Android and/or Apple phones. Really cool setup that can connect other riders to talk, phone calls, map navigation, and music.
Comes with optical HUD, controller, speakers, microphone, and all cables and 3M mounting pads as listed...
Trade for 30/30 or cash
Rugged, water resistant and ready for you next adventure, Rino 610 puts a 1 W FRS/GMRS radio and a 2.6-inch glove-friendly color touchscreen GPS right in the palm of your hands.
Pinnpoint Your Position
With its high-sensitivity GPS receiver and quad helix antenna, Rino...
Brand new Garmin Tactix Charlie GPS Sports Watch (New). No box, but has charger. Great little multifunction GPS watch. Watch is never worn, but has been charged to check functionality. MSRP runs between $700-$750, I'm asking $550 OBO. More pics available upon request.
Tory MP says every knife sold in UK should have GPS tracker ‘fitted in the handle’ – The Modern Survivalist
Tory MP says every knife sold in UK should have GPS tracker 'fitted in the handle'
Tory MP proposes GPS tracker for every single knife sold in the UK
Excellent condition Garmin Rino Gps/ Radio. 530 hcx, high sensitivity receiver for deep woods. See and track other rino users on screen. Accepts micro sd for state or region maps. Original box, charger, soft case included $225.00
Now first off, I am glad the young man is safe and back with his family. This has turned out badly for a lot of other people.
Now with those disclaimers in place, I will simply say...WTF were you thinking ?? Lets look at the factors in play here...
22 years old, not much over the road...
Got this from another member here but I am in need of some cash. This thing is basically brand new. It also comes with the all the Oregon OnX hunting maps (119 dollar value). I am willing to meet anywhere in central Oregon or the east side of Portland. I can ship if need be. I might be willing...
Has anybody had experience with the app here? Is it worth using the GPS with the OnX chip or does the app suffice? Can the app be used reliably when no cell phone coverage is present? What are the major drawbacks to each system? Any input or suggestions would be greatly appreciated!
I personally use the Waze app (free) and it works very well. My commute between home and work doesn't offer many side streets, but I could see the app re-routing people in the cities.
Should side streets be locals-only during rush hour?