| nilReason | NilReasonEnumeration
| |
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| HF | string
| High Frequency radio voice channel. |
Inherited from CodeCommunicationModeBaseType |
| VHF | string
| Very High Frequency radio voice channel with 25 KHz spacing. |
Inherited from CodeCommunicationModeBaseType |
| VDL1 | string
| Legacy VHF data link protocol employing CSMA. Being replaced by VDL2 |
Inherited from CodeCommunicationModeBaseType |
| VDL2 | string
| VHF data link protocol employing CSMA but much more efficient than VDL1. |
Inherited from CodeCommunicationModeBaseType |
| VDL4 | string
| VHF data link protocol using TDMA; being considered for use by ADS-B. |
Inherited from CodeCommunicationModeBaseType |
| AMSS | string
| Aeronautical Mobile Satellite Service, currently used by ACARS. |
Inherited from CodeCommunicationModeBaseType |
| ADS_B | string
| Automatic Dependent Surveillance - Broadcast: standard mode. |
Inherited from CodeCommunicationModeBaseType |
| ADS_B_VDL | string
| Automatic Dependent Surveillance - Broadcast: extended mode, using VDL 4. |
Inherited from CodeCommunicationModeBaseType |
| HFDL | string
| High Frequency Data Link. |
Inherited from CodeCommunicationModeBaseType |
| VHF_833 | string
| Very High Frequency radio voice channel with 8.33 KHz spacing. |
Inherited from CodeCommunicationModeBaseType |
| UHF | string
| Ultra High Frequency radio voice channel. |
Inherited from CodeCommunicationModeBaseType |
| OTHER | string
| Other. |
Inherited from CodeCommunicationModeBaseType |