Wednesday, January 20, 2010

GPS System & Address Validation For Shipping

By Adriana Noton

Is it possible to be sure that the package or papers that you sent were delivered to the correct address or business? One way is by using GPS System & Address Validation. This system allows a delivery person to use a device that is like a cell phone to enter a package ID code from the place of delivery. This will both time stamp and location stamp the delivery, effectively validation the delivery of your important goods to the correct recipient.

By use of GPS service, the company can mark the precise location of the unit receiving the goods. These units can be very high precision. Some have a high enough precision that they can be used in land surveying. The unit can give the location of the delivery truck as the delivery is made. The unit can be used either in the truck or at the door of the home or business where the delivery is made. If it has a built in bar code scanner, the driver can quickly and accurately identify the package, the location and the time. All of this information can be sent back to the home office of the delivery company using cellular transmission systems.

This system is helpful in ending customer complaints of never receiving equipment that has been shipped. Show them the GPS stamp and it is up to them to find where your delivery has been stored in their place of business. If the delivery truck is in the wrong location, the system can alert him before the delivery is made so there is no backtracking and hoping to retrieve a delivery made to the wrong address.

Another use of this equipment is in the delivery of court papers to an individual. In addition to the manual address verification, the person serving the papers can have GPS address validation that the papers were served to the correct address.

The GPS system was first used experimentally by the US navy in 1960. Since that time several other satellites have been launched. These satellites have been used for airplanes and ships in navigation for years. In more recent times hand held units have become popular and today, many cell phones have included a GPS locator. These much smaller units have made it possible to allow GPS technology to be used for such things as address verification.

There are some limits to this system. The greatest one is that in developing the GPS system the US government has built in an error in the GPS system. This error may range from zero to one hundred meters. A location given by the GPS unit could be off by the distance of an American football field. The error is included on purpose to prevent use of this system by terrorists. The unit can give a general location of the delivery and an accurate time stamp, however it is still possible to deliver the package to the next door neighbor by mistake.

GPS address verification is a good idea, but the delivery driver must still use the traditional visual clues to make an accurate delivery. He will still need to look at street signs and house numbers in order to get the package where it should go.

Although the overall technology for this system is very precise, the built in error is one of the bugs that must be worked out for this system to reach its full potential.

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