File:BTO figure 1.svg

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Summary

DescriptionBTO figure 1.svg	English: This graphic illustrates the Burst Timing Offset (BTO) measurement as it pertains to the analysis of satellite communications between Malaysia Airlines Flight 370 and a ground station, via an Inmarsat-3 F1 satellite. The upper drawing shows the relation of the BTO measurement to the time slot for the ping (handshake request) to be sent and the response from the aircraft to be received. The bottom drawing depicts the path traveled by the ping and response from the aircraft (both red), which is sent from the aircraft's satellite data unit. The BTO measurement is the time from when the ping leaves the ground station to the time it returns to the ground station and reaches processing equipment, where the BTO measurement is recorded.
Date	28 March 2015
Source	Own work
Author	Andrew Heneen
Other versions	PNG version
InfoField	The SVG code is valid. This vector image was created with Inkscape.
References InfoField	Based on information found in: Chris Ashton, Alan Shuster Bruce, Gary Colledge, Mark Dickinson (January 2015). "The Search for MH370". The Journal of Navigation 68 (01): 2, 4-6. The Royal Institute of Navigation. DOI:10.1017/S037346331400068X. MH 370 – Definition of Underwater Search Areas (PDF) 18, 54-55. Australian Transport Safety Bureau (26 June 2014). Archived from the original on 2014-08-27. Retrieved on 2015-06-19.

Licensing

This file is licensed under the Creative Commons Attribution 3.0 Unported license.

Attribution: Andrew Heneen

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File history

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	Date/Time	Dimensions	User	Comment
current	01:33, 26 May 2018	652 × 652 (19 KB)	AHeneen	fix aircrafts-->aircraft's
	13:35, 4 July 2015	652 × 652 (11 KB)	Offnfopt	re-grouped a few of the elements in the markup
	13:13, 4 July 2015	652 × 652 (11 KB)	Offnfopt	Changed font from the previous set "DejaVu Sans" to "Liberation Sans, Arial, sans-serif" per request @ C:COM:GVP along with other minor optimizations to the SVG markup.
	16:00, 1 July 2015	652 × 652 (48 KB)	AHeneen	Fix alignment
	04:55, 26 June 2015	652 × 652 (48 KB)	AHeneen	align one element
	01:44, 25 June 2015	652 × 652 (48 KB)	AHeneen	align one element
	01:27, 25 June 2015	652 × 652 (48 KB)	AHeneen	Changed "font-family: Arial" to "font-family:'Liberation Sans, Arial, sans-serif'"
	04:52, 20 June 2015	652 × 652 (48 KB)	AHeneen	Last edit fixed all but one text rendering issue, hopefully it is now fixed
	04:49, 20 June 2015	652 × 652 (48 KB)	AHeneen	Changed xml code of font used for a few phrases that did not render correctly, hopefully font issues are fix
	22:44, 19 June 2015	652 × 652 (48 KB)	AHeneen	Adjust angle of left wingtip to look right. Removed solid white background