OTA or ota may stand for:

Art, entertainment, and media

* ''

Off the Air In broadcasting, 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 even transmit a ...

'', an Adult Swim television series *

Otakon Otakon ( ) is an annual three-day anime convention held during July/August. From 1999 to 2016, it took place at the Baltimore Convention Center in Baltimore, Baltimore, Maryland's Inner Harbor district; in 2017, it moved to the Walter E. Washing ...

, 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 that outputs a Electric current, current proportional to its input voltage. Thus, it is a voltage controlled current source. Three types of OTAs are single-input single-output, di ...

, 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, prisms) to guide a line of sight and/or a laser beam. For example, the position and angle of lenses may be adjusted to guide a laser ...

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 (''telecommunication'') between two or more points without the use of an electrical conductor, optical fiber or other continuous guided med ...

Over-the-air programming An over-the-air update (or OTA update), also known as over-the-air programming (or OTA programming), is an update to an embedded system that is delivered through a wireless network, such as Wi-Fi or a cellular network. These embedded systems inc ...

, a method of reprogramming smart phones and other mobile devices ** OTA bitmap, 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 content is signal transmission, transmitted via radio waves from the terrestrial (Earth-based) transmitter of a TV station to a TV rece ...

), 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: " ...

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 import ...

'', 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 (, ; ) was the standardized register (sociolinguistics), register of the Turkish language in the Ottoman Empire (14th to 20th centuries CE). It borrowed extensively, in all aspects, from Arabic and Persian language, Persian. It ...

Organizations

Officers Training Academy The Officers Training Academy (OTA) is a training establishment of the Indian Army that trains officers for the Short Service Commission (SSC). The 49-week course at the OTA prepares graduates for all branches of the Army, except for the Army Me ...

, 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 Turnpikes of Oklahoma, Oklahoma turnpike system. Along with the Oklahoma Department of Transportation, th ...

, 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 ...

and the OpenTravel XML data format for the travel industry * Orascom Telecom Algeria, another name for Djezzy GSM (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 by promoting and protecting the growth of organic trade ...

, 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 technology, orthodontic technologists, based in the United Kingdom. History In 1971, orthodontic technicians based at London teaching hosp ...

, 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 at the University of Oxford, England which have been created, collected and distributed for the purpose of research into literary and linguistic ...

, 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 DFO Management, LLC (formerly MSD Capital) is an American family office that manages the capital of Michael Dell and his family. The firm, which is based in New York City and has offices in Santa Monica and West Palm Beach, was formed in 1998. ...

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 destinatio ...

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

Professions

Occupational therapy assistant {{More citations needed, date=April 2021 Rehabilitation Assistants (RAs), also referred to as occupational therapist assistants (OTAs) and physiotherapist assistants (PTAs) are members of the health care team who work under the supervision of an occ ...

Sports

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

National Football League training camp In the National Football League (NFL), 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 w ...