Milestone-Proposal:Apollo Unified S-Band Communications System, 1969
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To the proposer’s knowledge, is this achievement subject to litigation? No
Is the achievement you are proposing more than 25 years old? Yes
Is the achievement you are proposing within IEEE’s designated fields as defined by IEEE Bylaw I-104.11, namely: Engineering, Computer Sciences and Information Technology, Physical Sciences, Biological and Medical Sciences, Mathematics, Technical Communications, Education, Management, and Law and Policy. Yes
Did the achievement provide a meaningful benefit for humanity? Yes
Was it of at least regional importance? Yes
Has an IEEE Organizational Unit agreed to pay for the milestone plaque(s)? No
Has an IEEE Organizational Unit agreed to arrange the dedication ceremony? No
Has the IEEE Section in which the milestone is located agreed to take responsibility for the plaque after it is dedicated? No
Has the owner of the site agreed to have it designated as an IEEE Milestone? No
Year or range of years in which the achievement occurred:
Title of the proposed milestone:
Apollo 11 unified S-Band Transponder, 1969
Plaque citation summarizing the achievement and its significance:
On July 20, 1969, Neil Armstrong, 225,000 miles from Earth, stepped onto the lunar surface and uttered the now famous words – “That’s one small step for man, one giant leap for mankind.” Those eleven words, plus imagery, control commands, and tracking information for multiple lunar modules, were beamed to Earth by an S-band transponder designed and built by Motorola Government Electronics Division, Scottsdale, AZ.
In what IEEE section(s) does it reside?
IEEE Organizational Unit(s) which have agreed to sponsor the Milestone:
IEEE Organizational Unit(s) paying for milestone plaque(s):
IEEE Organizational Unit(s) arranging the dedication ceremony:
IEEE section(s) monitoring the plaque(s):
Proposer name: Steve Warford
Proposer email: Proposer's email masked to public
Please note: your email address and contact information will be masked on the website for privacy reasons. Only IEEE History Center Staff will be able to view the email address.
Street address(es) and GPS coordinates of the intended milestone plaque site(s):
Describe briefly the intended site(s) of the milestone plaque(s). The intended site(s) must have a direct connection with the achievement (e.g. where developed, invented, tested, demonstrated, installed, or operated, etc.). A museum where a device or example of the technology is displayed, or the university where the inventor studied, are not, in themselves, sufficient connection for a milestone plaque.
Please give the address(es) of the plaque site(s) (GPS coordinates if you have them). Also please give the details of the mounting, i.e. on the outside of the building, in the ground floor entrance hall, on a plinth on the grounds, etc. If visitors to the plaque site will need to go through security, or make an appointment, please give the contact information visitors will need. TBD - The expected site is the original campus of Motorola Government Electronics Division, located just east of the intersection of Hayden Road and McDowell Road, Scottsdale, AZ. This campus is now occupied by General Dynamics. Due to the nature of GD's operation, the grounds are open to the public, but internal spaces are generally not.
Are the original buildings extant?
Details of the plaque mounting:
How is the site protected/secured, and in what ways is it accessible to the public?
TBD - based on final selection of site and mounting details.
Who is the present owner of the site(s)?
What is the historical significance of the work (its technological, scientific, or social importance)?
Paraphrasing, at this time, various NASA documents, communications requirements for American manned space flights grew increasingly complex with each new mission and program. However, Apollo 11 introduced requirements not present in any of the early Apollo flights - deliver and recover a crew of astronauts a great distance and conduct extravehicular activities, while controlling and tracking multiple manned modules, simultaneously, for most of the entire journey. The USB transponder had been investigated by Jet Propulsion Laboratory (JPL) earlier, and was deemed as a necessary enhancement to the program in earlier missions in the series so as to be prepared for the lunar landing missions later in the series.
What obstacles (technical, political, geographic) needed to be overcome?
Existing systems for command, control, communications, and tracking needed to be combined into a single system, not just for one extraterrestrial vehicle, but up to three (Command Module, Lunar Lander, and Lunar Rover) in multiple flights within the Apollo series. Time was of the essence - primarily due to political factors - and proposed solutions could not include the development of new technologies. The JPL experiences were viewed as providing a superior technological solution with minimal new development. Additionally, earth-based tracking stations would have to be augmented with a number of major sites to maintain a "clear view" the flight vehicles, both en route to the moon, and while loitering in lunar orbit, or performing operation on the lunar surface. The concept of a re-insertion into lunar orbit for the return of the landing craft, with its occupants, to the orbiting command and service module was untested - very precise tracking data was mandatory for success.
What features set this work apart from similar achievements?
Everything had to work the first time - design and operational parameters left little to no room for error or contingency.
Supporting texts and citations to establish the dates, location, and importance of the achievement: Minimum of five (5), but as many as needed to support the milestone, such as patents, contemporary newspaper articles, journal articles, or chapters in scholarly books. 'Scholarly' is defined as peer-reviewed, with references, and published. You must supply the texts or excerpts themselves, not just the references. At least one of the references must be from a scholarly book or journal article. All supporting materials must be in English, or accompanied by an English translation.
Supporting materials (supported formats: GIF, JPEG, PNG, PDF, DOC): All supporting materials must be in English, or if not in English, accompanied by an English translation. You must supply the texts or excerpts themselves, not just the references. For documents that are copyright-encumbered, or which you do not have rights to post, email the documents themselves to firstname.lastname@example.org. Please see the Milestone Program Guidelines for more information.
Please email a jpeg or PDF a letter in English, or with English translation, from the site owner(s) giving permission to place IEEE milestone plaque on the property, and a letter (or forwarded email) from the appropriate Section Chair supporting the Milestone application to email@example.com with the subject line "Attention: Milestone Administrator." Note that there are multiple texts of the letter depending on whether an IEEE organizational unit other than the section will be paying for the plaque(s).