AFLT (Advanced Forward Link Trilateration): Difference between revisions
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== Relevant NENA Documents == |
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[https://www.nena.org/page/DataFormats NENA STA-015, NENA Standard Data Formats for 9-1-1 Data Exchange & GIS Mapping] |
[https://www.nena.org/page/DataFormats NENA STA-015, NENA Standard Data Formats for 9-1-1 Data Exchange & GIS Mapping] |
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Revision as of 23:28, 22 October 2020
A type of handset-based position location technology. Unlike A-GPS, AFLT does not use GPS satellites to determine location. To determine location, the phone takes measurements of signals from nearby cellular base stations (towers) and reports the time/distance readings back to the network, which are then used to triangulate an approximate location of the handset. In general, at least three surrounding base stations are required to get an optimal position fix.
Relevant NENA Documents
Note: To find and download the document, copy the document number (like NENA-STA-010) from below and search the NENA Standards and Documents page.
NENA STA-015, NENA Standard Data Formats for 9-1-1 Data Exchange & GIS Mapping