The TAMDAR sensor and system is primarily a stand-alone device that does not require interaction with primary or critical aircraft systems. The sensor consists of an airfoil-shaped probe that extends through the aircraft skin into the airflow, and a microprocessor-based signal processing unit inside the aircraft. The probe incorporates de-icing heaters, and is thermally isolated by a thermal isolation disc.

Download the TAMDAR Sensor and System Overview (pdf)

The sensor's signal processing unit processes, formats, and digitizes atmospheric observations for transmission to the ground. The sensor interfaces directly to a satellite communications transceiver, eliminating the need for additional aircraft computer processing and expensive communications management units. The sensor requires no crew involvement or intervention; it automatically turns itself on/off and can be remotely managed from the AirDat data center.

AirDat has established a secure data center to receive, QA, and archive the down-linked atmospheric observations, to format and relay the data to end users, and to provide ongoing lifecycle management of the TAMDAR network including sensor quality monitoring for sensors operating anywhere in the world. TAMDAR sensor sampling defaults are remotely configurable from the AirDat data center.

AirDat is now engaged in deploying TAMDAR sensors on aircraft fleets to provide complete upper air data coverage for the continental United States, and is also working with international organizations to provide upper air coverage in other countries. The TAMDAR system is capable of operating anywhere on the globe.

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