With the IVOA/SAMP protocol, you can:
<ul>
	<li>receive source data from a client</li>
	<li>send data to a client</li>
</ul>
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To use SAMP, you must connect TREPS to a SAMP hub:
<ul>
	<li>click on the "Connect to hub" button, see @@select@@</li>
	<li>or click directely on the "Send (via SAMP) to..." button, see @@export@@
</ul>
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More information about this protocol <a href="http://www.ivoa.net/documents/SAMP/" target="_blank">here</a>.