| 摘要 |
<p>A satellite navigation system comprises a database having a first category of data containing longitude values and latitude values; said database having a second category of data containing a plurality of individually owned names; each individually owned names being associated with a longitude value and a latitude value; and said database having a third category of data containing ownership details of an owner corresponding to said individually owned name; and said database having a fourth category containing navigation data suitable to navigate a user to a point formed by said longitude and latitude values,</p> |
