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by p_l
1583 days ago
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It's not just Boeing. Boeing orders certified radar altimeter devices for their configurations, and then certifies the whole assembly of it on a plane. The whole technology of radar altimeters makes it particularly hard to filter out 5G signals at 3.98GHz. As part of trying to keep flying safe, both attempts to limit sources of interference (i.e. 5G transmitters) and checks on existing hardware (and thus whether it needs to be replaced) are done in parallel. Outside of USA, everyone agreed on various mitigations to limit impact to radar altimeters especially as full impact of C-band 5G is still work in progress. |
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