Telcos adopting the various technologies
{"Image DocumentName": "Telcos adopting the various technologies", "Image ImageDescription": "AT&T is adding GSM to its network as part of its migration to the third generation (3G), and implement E-OTD in its GSM network. VoiceStream, the largest GSM operator in the U.S., is also supporting EOTD. Sprint PCS, Alltel, U.S. Cellular, and Nextel Communications, have opted for a handset-based E-911 system using the satellite-based global positioning system (GPS). Verizon and Western Wireless plan to use a network-based system, using a combination of TDOA and AOA.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}