# `Sidereon.GNSS.RTK.IonosphereFreeArcConfig`
[🔗](https://github.com/neilberkman/sidereon-ex/blob/main/lib/sidereon/gnss/rtk.ex#L291)

Complete typed configuration for ionosphere-free RTK arc setup.

# `t`

```elixir
@type t() :: %Sidereon.GNSS.RTK.IonosphereFreeArcConfig{
  apply_troposphere: boolean(),
  base_m: Sidereon.GNSS.RTK.ecef_input(),
  initial_baseline_m: Sidereon.GNSS.RTK.ecef_input(),
  reference: Sidereon.GNSS.RTK.ArcConfig.reference_selection()
}
```

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*Consult [api-reference.md](api-reference.md) for complete listing*