Tomas R. Elder

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OBJECTIVES To establish factors that influence and contribute to the death of patients with cancer in acute hospitals in Northern Ireland. DESIGN Retrospective clinical note review. SETTING 16 acute hospitals, covering 5 Health and Social Care Trusts across Northern Ireland. PARTICIPANTS 793 adult patients with cancer who died in an acute hospital(More)
The Traffic Alert and Collision Avoidance System (TCAS) is a collision avoidance system mandated on board all large transport aircraft world-wide. The system uses beacon interrogations to determine the relative positions of nearby aircraft. TCAS shares communications channels with several other air traffic control surveillance systems such as ground-based(More)
The collision avoidance system that is currently deployed worldwide relies upon radar beacon surveillance. With its broad deployment over the next decade, aviation surveillance based on Automatic Dependent Surveillance-Broadcast (ADS-B) reports may reduce the need for frequent beacon interrogation over the communication channel, but there is a risk of ADS-B(More)
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