| How can you be sure that the package you sent | | | | other satellites have been launched. These |
| was delivered to the correct house or business? | | | | satellites have been used for airplanes and ships in |
| This is where GPS System & Address | | | | navigation for years. In more recent times hand |
| Validation comes in handy. With this system, the | | | | held units have become popular and today, many |
| delivery person uses a cell phone like device to | | | | cell phones have included a GPS locator. These |
| make a enter the package identification code | | | | much smaller units have made it possible to allow |
| from the drive of the place of delivery and the | | | | GPS technology to be used for such things as |
| GPS system marks the location of the delivery, | | | | address verification. |
| effectively validating that the package was | | | | One thing that should be taken into consideration |
| delivered to the correct address. | | | | is that the US government has a built in error in |
| GPS service allows for very precise location on | | | | the system that can cause it to be off as much |
| the face of the earth. Some units are precise | | | | as 100 meters (over 300 feet or the length of a |
| enough that they can be used in land surveying. A | | | | football field). This error was included in order to |
| unit can give a very precise location of the | | | | prevent take over of the system by enemy |
| delivery truck when it is in front of a home | | | | forces and use in directing munitions sent by |
| making delivery or even at the door of the place | | | | forces attacking the United States. This error |
| where the unit is being delivered. | | | | must be taken into account in the address |
| When expensive equipment is being delivered to a | | | | verification system. Thus it may not be possible |
| customer by a delivery service, this puts an end | | | | to determine if a package was delivered to your |
| to a customer claiming to have never received | | | | home your next door neighbors, simply due to |
| the equipment. The carrier has GPS | | | | the fact of the built in error. |
| documentation that the delivery was made to the | | | | Overall the address verification GPS system is a |
| correct address. If delivery was made to the | | | | good system. It can give directions to the route |
| wrong address, then the carrier can return to | | | | driver for the next delivery. However, the driver |
| that address to reclaim the equipment that was | | | | must still use clues such as street signs and |
| wrongly delivered. | | | | address markings to ensure that the package is |
| Another use of this equipment is in the delivery | | | | delivered to the correct location. |
| of court papers to an individual. In addition to the | | | | The technology is available to make this system |
| manual address verification, the person serving | | | | work very precisely. However, there are still a |
| the papers can have GPS address validation that | | | | few bugs to work out and one of those bugs is |
| the papers were served to the correct address. | | | | the error that was built into the system by the |
| The GPS system was first used experimentally | | | | US government. |
| by the US navy in 1960. Since that time several | | | | |