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Definition

Digital Operational Resilience Act

DORA

EU regulation (Regulation 2022/2554) effective January 2025 requiring financial entities to manage ICT risk, conduct threat-led penetration testing (TLPT), and oversee critical third-party ICT providers.

Related terms

Delta-VΔV

The change in velocity required for an orbital maneuver. A fundamental measure of the propulsive effort needed to transf...

Downlink

Data transmission from a spacecraft to a ground station. Downlink budget analysis determines if the signal is strong eno...

Doppler Shift

The change in observed frequency due to relative motion between transmitter and receiver. Critical for LEO ground statio...

Depth of DischargeDOD

The percentage of a battery's capacity that has been discharged. Lower DOD per cycle means longer battery life. LEO desi...

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