<html><body><div><br></div><div><br>On Jan 10, 2017, at 01:17 AM, Andrew Atkinson via Therion <therion@speleo.sk> wrote:<br><br></div><div><blockquote type="cite"><div class="msg-quote"><p dir="ltr">Thanks Bruce for the clear explanation, </p></div></blockquote></div><div><span><br data-mce-bogus="1"></span></div><div><span>I apologize myself, "-entrance" is the option of survey command and not a parameter. </span></div><div><span><br data-mce-bogus="1"></span></div><div><span>Andrew, I'm sure such </span>discussions are quite important here mainly for beginners (as me as you may saw).</div><div><br data-mce-bogus="1"></div><div>Good luck!</div><div><br data-mce-bogus="1"></div><div>m.s.</div></body></html>