1, The full form of OTA is Over-the-air. It’s used on Technology ,Communication in Worldwide

Over-the-air programming (OTA) may refer to either free-to-air, digital television, or in the mobile content world, over-the-air service provisioning (OTASP), over-the-air provisioning (OTAP) or over-the-air parameter administration (OTAPA), methods of distributing new software updates to cellphones or provisioning handsets with the necessary settings with which to access services such as WAP or MMS. Some phones with this capability are labeled as being “OTA capable.”

2, The full form of OTA is Office of Technology Assessment. It’s used on Governmental ,Politics in United States

Office of Technology Assessment (OTA) was an office of the United States Congress from 1972 to 1995. OTA’s purpose was to provide Congressional members and committees with objective and authoritative analysis of the complex scientific and technical issues of the late 20th century, i.e. technology assessment.

3, The full form of OTA is Organic Trade Association. It’s used on Associations & Organizations ,Trade Associations in United States

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 benefit the environment, farmers, the public and the economy. OTA is a member of The International Federation of Organic Agricultural Movements (IFOAM) and The International Working Group on Global Organic Textile Standard

4, The full form of OTA is Orthodontic Technicians Association. It’s used on Associations & Organizations ,Medical Organizations in United Kingdom

Orthodontic Technicians Association (OTA) is the professional body that represents orthodontic technology specialists in the United Kingdom affiliated with the British Orthodontic Society.

5, The full form of OTA is Operational Transconductance Amplifier. It’s used on Academic & Science ,Electronics in Worldwide

Operational Transconductance Amplifier (OTA) is an amplifier whose differential input voltage produces an output current. Thus, it is a voltage controlled current source (VCCS).