How to import/export Radio Station list of Rhythmbox?

rhythmbox stores information about all music-files in ~/.local/share/rhythmbox/rhythmdb.xml

  <entry type="iradio">

    <title>BBC4</title>

    <genre>BBC</genre>

    <artist></artist>

    <album></album>

    <location>http://bbc.co.uk/radio/listen/live/r4.asx</location>

    <play-count>3</play-count>

    <last-played>1357862951</last-played>

    <date>0</date>

    <media-type>application/octet-stream</media-type>

  </entry>

  <entry type="iradio">

    <title>BBC2</title>

    <genre>BBC</genre>

    <artist></artist>

    <album></album>

    <location>http://bbc.co.uk/radio/listen/live/r2.asx</location>

    <play-count>1</play-count>

    <last-played>1357862702</last-played>

    <date>0</date>

    <media-type>application/octet-stream</media-type>

  </entry>

  <entry type="iradio">

    <title>BBC5</title>

    <genre>BBC</genre>

    <artist></artist>

    <album></album>

    <location>http://bbc.co.uk/radio/listen/live/r5l.asx</location>

    <play-count>1</play-count>

    <last-played>1357862864</last-played>

    <date>0</date>

    <media-type>application/octet-stream</media-type>

  </entry>

  <entry type="iradio">

    <title>BBC3</title>

    <genre>BBC</genre>

    <artist></artist>

    <album></album>

    <location>http://bbc.co.uk/radio/listen/live/r3.asx</location>

    <play-count>2</play-count>

    <last-played>1357862845</last-played>

    <date>0</date>

    <media-type>application/octet-stream</media-type>

  </entry>

  <entry type="iradio">

    <title>BBC6</title>

    <genre>BBC</genre>

    <artist></artist>

    <album></album>

    <location>http://bbc.co.uk/radio/listen/live/r6.asx</location>

    <play-count>1</play-count>

    <last-played>1357862773</last-played>

    <date>0</date>

    <media-type>application/octet-stream</media-type>

  </entry>

  <entry type="iradio">

    <title>BBC1</title>

    <genre>BBC</genre>

    <artist></artist>

    <album></album>

    <location>http://bbc.co.uk/radio/listen/live/r1.asx</location>

    <play-count>2</play-count>

    <last-played>1357862923</last-played>

    <date>0</date>

    <media-type>application/octet-stream</media-type>

  </entry>

  <entry type="iradio">

    <title>Classic FM</title>

    <genre>BBC</genre>

    <artist></artist>

    <album></album>

    <location>http://media-ice.musicradio.com/ClassicFMMP3</location>

    <play-count>1</play-count>

    <last-played>1357863222</last-played>

    <bitrate>128</bitrate>

    <date>0</date>

    <media-type>application/octet-stream</media-type>

  </entry>