# Comms – `ephemerista.comms`

Communication systems modeling for RF links between spacecraft and ground stations.

```{seealso}
For user tutorials on communication systems, see the {doc}`../../manual/manual` section on [Communication Systems (Optional)](../../manual/manual.md#communication-systems-optional).
```

## Communication Components

- {doc}`antennas` - Antenna patterns and gain models
- {doc}`transmitters` - Transmitter power and modulation
- {doc}`receivers` - Receiver noise and sensitivity
- {doc}`channels` - Communication channel definitions
- {doc}`systems` - Integrated communication systems
- {doc}`utils` - RF calculation utilities

```{toctree}
antennas
channels
receivers
systems
transmitters
utils
```