<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1426424644358_15265" dir="ltr"><span id="yui_3_16_0_1_1426424644358_15288">We could make a quick tracing guide for these towers. Just need a few clipped screenshots of the imagery, and help text. </span></div><div id="yui_3_16_0_1_1426424644358_15265" dir="ltr"><span><br></span></div><div id="yui_3_16_0_1_1426424644358_15265" dir="ltr"><span id="yui_3_16_0_1_1426424644358_16743">Would put it together in something like this: </span></div><div id="yui_3_16_0_1_1426424644358_15265" dir="ltr"><a href="http://hotosm.github.io/tracing-guides/guide/kulna.html" id="yui_3_16_0_1_1426424644358_16848">http://hotosm.github.io/tracing-guides/guide/kulna.html</a></div><div id="yui_3_16_0_1_1426424644358_15265" dir="ltr"><span id="yui_3_16_0_1_1426424644358_16197"><a href="http://hotosm.github.io/tracing-guides/" id="yui_3_16_0_1_1426424644358_16196">http://hotosm.github.io/tracing-guides/</a><br></span></div><div></div><div id="yui_3_16_0_1_1426424644358_16189"> </div><div id="yui_3_16_0_1_1426424644358_16189" dir="ltr">-Mikel</div><div id="yui_3_16_0_1_1426424644358_16189" dir="ltr"><br></div><div id="yui_3_16_0_1_1426424644358_16191"><div id="yui_3_16_0_1_1426424644358_16190">* Mikel Maron * +14152835207 @mikel s:mikelmaron</div></div>  <br><div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir="ltr"> <font size="2" face="Arial"> On Sunday, March 15, 2015 9:03 AM, Blake Girardot <bgirardot@gmail.com> wrote:<br> </font> </div> <blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; margin-top: 5px; padding-left: 5px;">  <br><br> <div class="y_msg_container"><br clear="none">Hi Martin,<br clear="none"><br clear="none">These are challenging to spot and hard to tag correctly without local <br clear="none">knowledge I just discovered.<br clear="none"><br clear="none"><a shape="rect" href="http://wiki.openstreetmap.org/wiki/Tag:man_made%3Dcommunications_tower" target="_blank">http://wiki.openstreetmap.org/wiki/Tag:man_made%3Dcommunications_tower</a><br clear="none"><br clear="none">I usually find towers by seeing the shadow they cast, that is the big <br clear="none">indicator to me.<br clear="none"><br clear="none">Here are a few examples in the region:<br clear="none"><br clear="none"><a shape="rect" href="https://www.openstreetmap.org/#map=19/-21.90198/166.072485" target="_blank">https://www.openstreetmap.org/#map=19/-21.90198/166.072485</a><br clear="none"><br clear="none">If you look very carefully at the shadow you can see the microwave <br clear="none">transceiver drums in the shadow. I would guess that is what helped the <br clear="none">person identify this one as a "communications" tower specifically.<br clear="none"><br clear="none">----------------------------<br clear="none"><br clear="none"><a shape="rect" href="https://www.openstreetmap.org/#map=19/-20.748846/167.262194" target="_blank">https://www.openstreetmap.org/#map=19/-20.748846/167.262194</a><br clear="none"><br clear="none">That one again, shows the shadow being a pretty big factor. And it also <br clear="none">show a typical service road and pad. I do not know how the mapper knew <br clear="none">it was a communications tower.<br clear="none"><br clear="none">------------------------------<br clear="none"><br clear="none"><a shape="rect" href="https://www.openstreetmap.org/#map=19/14.977132/120.52743" target="_blank">https://www.openstreetmap.org/#map=19/14.977132/120.52743</a><br clear="none"><br clear="none">Shadow and microwave drums visible<br clear="none"><br clear="none">-----------------------------------<br clear="none"><br clear="none"><a shape="rect" href="https://www.openstreetmap.org/#map=20/15.011183/120.532604" target="_blank">https://www.openstreetmap.org/#map=20/15.011183/120.532604</a><br clear="none"><br clear="none">Shadow and service area fenced off.<br clear="none"><br clear="none">----------------------------------<br clear="none"><br clear="none"><a shape="rect" href="https://www.openstreetmap.org/#map=19/15.097711/120.611481" target="_blank">https://www.openstreetmap.org/#map=19/15.097711/120.611481</a><br clear="none"><br clear="none">A nice big TV transmission tower.<br clear="none"><br clear="none"><br clear="none">I hope those help!<br clear="none"><br clear="none">Cheers,<br clear="none">Blake<br clear="none"><br clear="none"><br clear="none"><br clear="none">On 3/15/2015 11:37 AM, spatialbits wrote:<br clear="none">> Hi hotties,<br clear="none">><br clear="none">> as part of tasks #944/943 (Vanuatu) mapping of Communication towers is<br clear="none">> requested.<br clear="none">> Could someone point me to an example in the imagery (e.g. lat/lon), so I<br clear="none">> get an idea on what to look for.<br clear="none">><br clear="none">> Thanks.<br clear="none">><br clear="none">> Martin<br clear="none">><br clear="none">> _______________________________________________<br clear="none">> HOT mailing list<br clear="none">> <a shape="rect" ymailto="mailto:HOT@openstreetmap.org" href="mailto:HOT@openstreetmap.org">HOT@openstreetmap.org</a><br clear="none">> <a shape="rect" href="https://lists.openstreetmap.org/listinfo/hot" target="_blank">https://lists.openstreetmap.org/listinfo/hot</a><div class="yqt1424629794" id="yqtfd58528"><br clear="none">><br clear="none"><br clear="none">_______________________________________________<br clear="none">HOT mailing list<br clear="none"><a shape="rect" ymailto="mailto:HOT@openstreetmap.org" href="mailto:HOT@openstreetmap.org">HOT@openstreetmap.org</a><br clear="none"><a shape="rect" href="https://lists.openstreetmap.org/listinfo/hot" target="_blank">https://lists.openstreetmap.org/listinfo/hot</a><br clear="none"></div><br><br></div> </blockquote>  </div> </div>   </div></div></body></html>