Space Communications and Navigation Program: Difference between revisions

Revision as of 14:25, 11 December 2012

Revision as of 12:18, 3 May 2013

Line 5:

Before NASA's administrator [[Michael D. Griffin]] created SCaN to direct an integrated networks program, different organizations at NASA Headquarters have managed the Agency’s space communications capabilities and functions under separate Programs using a variety of administrative approaches.<ref name="ProgramPlan">{{cite book| title = Space Communications and Navigation (SCaN) Program Plan| edition = | last = NASA| first = | coauthors = | year = | publisher = National Aeronautics and Space Administration| id = | pages =}}</ref>

The SCaN Office was established by direction of Griffin in a Memorandum entitled “Establishment of a Space Communications and Navigation Office,” dated July 19, 2006.<ref name="SEMP">{{cite book| title = SCaN Systems Engineering Management Plan (SEMP)| edition = | last = NASA| first = | coauthors = | date = January 30, 2009| publisher = NASA Space Communication and Navigation Program Office| id = SCaN-SEMP| pages =}}</ref> SCaN operates as a central organization within the ''SpaceHuman Exploration and Operations Mission Directorate'' (SOMDHEOMD):

{{cquote2|The Office’s responsibilities encompass the management of existing space networks including the Tracking and Data Relay Satellite system, the Deep Space Network, the Ground Network, the NASA Integrated Services Network; implementing any improvements and upgrades to those systems and networks; and developing any future NASA communications and navigation architectures.}}

Line 31:

The Space Network communicates with spacecraft using [[S-band]], [[Ku-band]],<ref name="SNUG">{{cite book| title =Space Network User's Guide (SNUG), 2.3, Elements of the SN | edition = Rev 9| last = NASA| first = Exploration and Space Communications Projects Division | coauthors = Goddard Space Flight Center| year = August 2007 | publisher = National Aeronautics and Space Administration| id =450-SNUG | pages = }}</ref> and [[Ka-band]] with planned laser/optical communications.

The Deep Space Network communicates with spacecraft using S-band, [[X-band]], and [[Ka-band]].

===Modulation===