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Roughness (RNL_4)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: rnl_4.ttl
- Name
roughness- Attribute
- RNL Radio Navigation Service Limitation Type
- Definition
- The signal may cause the airborne equipment to occasionally observe brief course needle oscillations.
- Description
- Pilots flying over unfamiliar routes are cautioned to be on the alert for these vagaries, and in particular, to use the 'to/from' indicator to determine positive station passage.
- Accepted
- 2013-10-18
- Allowed for
- GA043 Radio Navigation Service Limitation
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.