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    In fact, what is returned is:<br>
    Query:
<a class="moz-txt-link-freetext" href="http://service.iris.edu/fdsnws/station/1/query?net=II&amp;sta=TLY&amp;loc=--&amp;cha=BHZ&amp;starttime=1992-12-12&amp;endtime=1992-12-12&amp;level=chan">http://service.iris.edu/fdsnws/station/1/query?net=II&amp;sta=TLY&amp;loc=--&amp;cha=BHZ&amp;starttime=1992-12-12&amp;endtime=1992-12-12&amp;level=chan</a><br>
    HTTP/1.1 204 No Content<br>
    <br>
    ???<br>
    <br>
    Thanks,<br>
    <br>
    Anthony<br>
    <br>
    <div class="moz-cite-prefix">On 21/06/2015 10:50, Anthony Lomax
      wrote:<br>
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    <blockquote cite="mid:55867AE8.7050905@free.fr" type="cite">
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      Hi,<br>
      <br>
      The following gives nothing in my browser (no error, no change of
      page...):<br>
      <a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://service.iris.edu/fdsnws/station/1/query?net=II&amp;sta=AAK&amp;loc=--&amp;cha=BHZ&amp;starttime=1992-12-12&amp;endtime=1992-12-12&amp;level=station">http://service.iris.edu/fdsnws/station/1/query?net=II&amp;sta=AAK&amp;loc=--&amp;cha=BHZ&amp;starttime=1992-12-12&amp;endtime=1992-12-12&amp;level=station</a><br>
      <br>
      If I remove the loc=--, it works fine:<br>
      <a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://service.iris.edu/fdsnws/station/1/query?net=II&amp;sta=AAK&amp;cha=BHZ&amp;starttime=1992-12-12&amp;endtime=1992-12-12&amp;level=station">http://service.iris.edu/fdsnws/station/1/query?net=II&amp;sta=AAK&amp;cha=BHZ&amp;starttime=1992-12-12&amp;endtime=1992-12-12&amp;level=station</a><br>
      <br>
      Doc says:<br>
      loc[ation]     00     Select one or more SEED location identifier.
      Use -- for “Blank” location IDs (ID’s containing 2 spaces).
      Accepts wildcards and lists. Accepts exclusions.<br>
      <br>
      Am I missing something?<br>
      <br>
      Thanks,<br>
      <br>
      Anthony Lomax<br>
      <br>
      <div class="moz-signature">-- <br>
        Sent from my iClayTablet <br>
        <br>
        <hr style="position:absolute; left:0px; width:70%;"> <br>
           <b style="color:darkred; font-size:larger">Anthony Lomax</b>
        <br>
           <b style="color:dimgray;">161 Allée du Micocoulier, 06370
          Mouans-Sartoux, France</b> <br>
           <b style="color:dimgray;"> tel: +33 (0)4 93 75 25 02   
          e-mail: <a moz-do-not-send="true"
            href="mailto:anthony@alomax.net">anthony@alomax.net</a>   
          web: <a moz-do-not-send="true" href="http://www.alomax.net/">http://www.alomax.net</a>
        </b> <br>
        <br>
           <b style="color:darkgreen;">Twitter: </b> <b
          style="color:dimgray;"><a moz-do-not-send="true"
            href="http://twitter.com/ALomaxNet">@ALomaxNet</a></b> <br>
           <b style="color:darkgreen;">Science &amp; Special Topics: </b>
        <b style="color:dimgray;"><a moz-do-not-send="true"
            href="http://www.alomax.net/science">http://www.alomax.net/science</a></b>
        <br>
           <b style="color:darkgreen;">Software: </b> <b
          style="color:dimgray;"><a moz-do-not-send="true"
            href="http://www.alomax.net/software">http://www.alomax.net/software</a></b>
        <b style="color:darkgreen;"> - updates: </b> <b
          style="color:dimgray;"><a moz-do-not-send="true"
            href="https://twitter.com/ALomaxNet">https://twitter.com/ALomaxNet</a></b>
        <br>
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    </blockquote>
    <br>
    <div class="moz-signature">-- <br>
      Sent from my iClayTablet <br>
      <br>
      <hr style="position:absolute; left:0px; width:70%;"> <br>
         <b style="color:darkred; font-size:larger">Anthony Lomax</b> <br>
         <b style="color:dimgray;">161 Allée du Micocoulier, 06370
        Mouans-Sartoux, France</b> <br>
         <b style="color:dimgray;"> tel: +33 (0)4 93 75 25 02   
        e-mail: <a href="mailto:anthony@alomax.net">anthony@alomax.net</a>
           web: <a href="http://www.alomax.net/">http://www.alomax.net</a>
      </b> <br>
      <br>
         <b style="color:darkgreen;">Twitter: </b> <b
        style="color:dimgray;"><a href="http://twitter.com/ALomaxNet">@ALomaxNet</a></b>
      <br>
         <b style="color:darkgreen;">Science &amp; Special Topics: </b>
      <b style="color:dimgray;"><a href="http://www.alomax.net/science">http://www.alomax.net/science</a></b>
      <br>
         <b style="color:darkgreen;">Software: </b> <b
        style="color:dimgray;"><a href="http://www.alomax.net/software">http://www.alomax.net/software</a></b>
      <b style="color:darkgreen;"> - updates: </b> <b
        style="color:dimgray;"><a href="https://twitter.com/ALomaxNet">https://twitter.com/ALomaxNet</a></b>
      <br>
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