OTA or ota may stand for:

Art, entertainment, and media

* ''

Off the Air In the broadcasting industry, a dark television station or silent radio station is one that has gone off the air for an indefinite period of time. Usually unlike dead air (broadcasting only silence), a station that is dark or silent does not e ...

'', an Adult Swim television series * Otakon, an annual anime convention in Baltimore, Maryland

Electronics, science, and technology

Ochratoxin A Ochratoxin A—a toxin produced by different ''Aspergillus'' and ''Penicillium'' species — is one of the most-abundant food-contaminating mycotoxins. It is also a frequent contaminant of water-damaged houses and of heating ducts. Human exposure ...

(also termed OTA), a mycotoxin *

Operational transconductance amplifier The operational transconductance amplifier (OTA) is an amplifier whose differential input voltage produces an output current. Thus, it is a voltage controlled current source (VCCS). There is usually an additional input for a current to control t ...

, a kind of operational amplifier * Optical tube assembly, the tubular

optical train An optical train, also called an optical assembly, is an arrangement of optical components (e.g. lenses, mirrors, Prism (optics), prisms) to guide a sightline, line of sight and/or a laser beam. For example, the position and angle of lenses may b ...

of a telescope as referred by astronomers * Over-the-air, another word for

wireless communication Wireless communication (or just wireless, when the context allows) is the transfer of information between two or more points without the use of an electrical conductor, optical fiber or other continuous guided medium for the transfer. The most ...

Over-the-air programming Over-the-air programming (OTA programming) refers to various methods of distributing new software, configuration settings, and even updating encryption keys to devices like mobile phones, set-top boxes, electric cars or secure voice communication ...

, a method of reprogramming smart phones and other mobile devices **

OTA bitmap OTA Bitmap was a specification designed by Nokia for black and white images for mobile phones. Introduction The OTA or ''Over The Air'' Bitmap was defined by Nokia Corporation as part of their Smart Messaging Specification, to send pictures as a ...

, a data format developed by Nokia for sending images via SMS ** Over-the-air television (or

terrestrial television Terrestrial television or over-the-air television (OTA) is a type of television broadcasting in which the signal transmission occurs via radio waves from the terrestrial (Earth-based) transmitter of a TV station to a TV receiver having an ante ...

), the traditional method of television broadcast signal delivery ** Over-the-air performance testing, evaluation of the performance of a radio including the impact of its

radiation pattern In the field of antenna design the term radiation pattern (or antenna pattern or far-field pattern) refers to the ''directional'' (angular) dependence of the strength of the radio waves from the antenna or other source.Constantine A. Balanis: “A ...

and its interaction with device circuitry.

Law and government

Ontario Temperance Act The ''Ontario Temperance Act'' was a law passed in 1916 that led to the prohibition of alcohol in Ontario, Canada. When the Act was first enacted, the sale of alcohol was prohibited, but liquor could still be manufactured in the province or importe ...

, 1916 Canadian law prohibiting the manufacture, transportation and sale of alcohol and alcoholic beverages

Language

* 'ota', the ISO 639 code for the

Ottoman Turkish language Ottoman Turkish ( ota, لِسانِ عُثمانى, Lisân-ı Osmânî, ; tr, Osmanlı Türkçesi) was the standardized register of the Turkish language used by the citizens of the Ottoman Empire (14th to 20th centuries CE). It borrowed exten ...

Organizations

New South Wales Operating Theatre Association The New South Wales Operating Theatre Association Incorporated otherwise known as the Operating Theatre Association Inc. (NSWOTA, NSW OTA or OTA) is an Australian State/Territory-based non-profit perioperative nursing professional association t ...

, an Australian non-profit perioperative nursing professional association * Officers Training Academy, an Indian military academy in Chennai *

Office of Technology Assessment The Office of Technology Assessment (OTA) was an office of the United States Congress that operated from 1974 to 1995. OTA's purpose was to provide congressional members and committees with objective and authoritative analysis of the complex scien ...

, a United States Congress agency that operated from 1972 to 1995 *

Oklahoma Turnpike Authority The Oklahoma Turnpike Authority (formerly Oklahoma Transportation Authority) is an agency of Oklahoma that deals with issues regarding the Oklahoma turnpike system. Along with the Oklahoma Department of Transportation, the Authority is the prima ...

, organization that operates turnpikes within the state of Oklahoma *

OpenTravel Alliance The OpenTravel Alliance is a not-for-profit trade association founded in 1999. History OpenTravel was founded in 1999 by a consortium of travel companies - including air, hotel, car rental, and supporting software companies - with a primary foc ...

and the OpenTravel XML data format for the travel industry * Orascom Telecom Algeria, another name for

Djezzy GSM Djezzy (Arabic: جازي) is Algeria's principal mobile network operator, with a market share of 65% (over 16.49 million subscribers in December 2016) and a network covering 90% of the population (48 wilayas). Djezzy is wholly owned by the Algeri ...

(a branch of Orascom group) *

Organic Trade Association The Organic Trade Association (OTA) is a membership-based business association that focuses on the organic business community in North America. OTA's mission is to promote ethical consumerism, promoting and protecting the growth of organic trade to ...

, a North American association that focuses on the organic business community *

Orthodontic Technicians Association The Orthodontic Technicians Association (UK) (OTA) is the professional body that represents orthodontic technologists, based in the United Kingdom. History In 1971, orthodontic technicians based at London teaching hospitals began holding mee ...

, the professional body that represents orthodontic technicians based in the United Kingdom. *

Oxford Text Archive Oxford Text Archive (OTA) is an archive of electronic texts and other literary and language resources which have been created, collected and distributed for the purpose of research into literary and linguistic topics at the University of Oxford, E ...

, an archive of electronic texts and other literary and language resources at the University of Oxford * OTA Broadcasting LLC, unit of Michael Dell's investment company

MSD Capital MSD Capital is an American private Investment company, investment firm that manages the capital of Michael Saul Dell, Michael Dell and his family. The firm, which is based in New York City, New York and has offices in Santa Monica and West Palm B ...

purchasing small television stations potentially for resale of licenses via FCC auction. *

Online travel agency A travel agency is a private retailer or public service that provides travel and tourism-related services to the general public on behalf of accommodation or travel suppliers to offer different kinds of travelling packages for each destinati ...

, a travel website that specializes in offering online planning sources and booking capabilities

Professions

* Occupational therapy assistant

Sports

* Organized Team Activities, used to describe preseason training sessions during

National Football League training camp In the National Football League, training camp refers to the time before the season commences. During this time, teams sometimes congregate at an outside location, usually a university, to conduct training camp for at least the first few weeks. ...