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The radio frequency environment in which the SKA Phase 1 telescopes should operate is characterised at locations within the proposed spiral arm layout. The total integrated power level of the radio frequency interference at the various locations is determined.
We propose a multicopter scheme to characterize the shielding effectiveness of South Africa's Karoo Array Processing Building. The use of an autonomous multicopter with calibrated receiver and onboard antenna patterns is compared to conventional ground-based metrology. Measurement time and resolution are improved significantly. Our technique has been used during the evaluation of electromagnetic shielding...
Cable trays are used in industry to order cable runs in distributed systems. With little extra effort, cable trays can also be exploited to harden cables against external electromagnetic interference. Some recommendations in this regard are found both in literature and in standards. We critically examine the importance of cable tray end-connections to enclosures as well as their midspan connections...
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