# EphemerisFilter
<a name="API_EphemerisFilter"></a>

Filter for selecting contacts that use a specific ephemeris".

## Contents
<a name="API_EphemerisFilter_Contents"></a>

**Important**  
This data type is a UNION, so only one of the following members can be specified when used or returned.

 ** azEl **   <a name="groundstation-Type-EphemerisFilter-azEl"></a>
Filter for [AzElEphemeris](API_AzElEphemeris.md).  
Type: [AzElEphemerisFilter](API_AzElEphemerisFilter.md) object  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/groundstation-2019-05-23/EphemerisFilter) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/groundstation-2019-05-23/EphemerisFilter) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/groundstation-2019-05-23/EphemerisFilter)