<div dir="ltr"><div dir="ltr"><br clear="all"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, 8 Aug 2021 at 08:24, Martin Koppenhoefer <<a href="mailto:dieterdreist@gmail.com">dieterdreist@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
tagging clearance is fine, but why should there be a seamark prefix?<br></blockquote><div><br></div><div>Because it's really only "boats" that are concerned about the clearance from water level to a bridge?</div><div><br></div><div> Thanks<div><br></div><div>Graeme</div></div><br></div></div>