2009-3-9 16:59GPS is a good thing, let's share it together. Hehe, hehe.
2009-3-5 15:43The Development of GPS Satellites and Improvement of Signals Since the launch of GPS navigation satellites in 1978, their types have evolved from Block I, II, ......
2009-3-5 15:41Nowadays, GPS units generally have 12 channels, which means they can receive signals from 12 satellites simultaneously. In earlier models, such as the GARMIN 4......
2009-3-5 15:36Started the construction of the Global Positioning System (GPS). After going through the stages of program justification and system testing, it began launching......
2009-3-5 15:34Hello everyone, there is a lot of knowledge here, come and see, it's very good. Hehe, hehe, hehe.
2009-3-3 16:27Read the article below, and I believe you will have a deep understanding of the GPS navigator.
2009-3-3 16:24Read the article below, and I believe you will have a deep understanding of GPS navigators.
2009-3-3 16:21Read the article below, and I believe you will have a deep understanding of GPS navigators.
2009-3-3 16:18Read the article below, and I believe you will have a deep understanding of GPS navigators.
2009-3-3 16:14Look at the article below, and I believe you will have a deep understanding of GPS navigation.
2009-3-2 16:3gpsgpsgpsgpsgpsgpsgpsgpsgpsgpsgpsgpsgpsgpsgpsgpsgpsgpsgps