<div dir="ltr"><div>Thanks for answer<br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le dim. 23 juin 2019 à 14:20, Paul Allen <<a href="mailto:pla16021@gmail.com">pla16021@gmail.com</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr">On Sun, 23 Jun 2019 at 13:01, François Lacombe <<a href="mailto:fl.infosreseaux@gmail.com" target="_blank">fl.infosreseaux@gmail.com</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le dim. 23 juin 2019 à 13:49, Paul Allen <<a href="mailto:pla16021@gmail.com" target="_blank">pla16021@gmail.com</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr">On Sun, 23 Jun 2019 at 02:02, Warin <<a href="mailto:61sundowner@gmail.com" target="_blank">61sundowner@gmail.com</a>> wrote:</div><div dir="ltr"><br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">Aircraft too can have an external electrical power
connection. <br></div></blockquote><div><br></div><div>Aircraft power is rather specialized.</div></div></div></blockquote><div><br></div><div>Like any power supply.</div></div></div></blockquote><div><br></div><div>Erm, yes and no. Our existing tags don't specify frequency or voltage but connectors and you</div><div>have to infer what is going to come out of those connectors.</div></div></div></blockquote><div><br></div><div>
<div>Err what is this?</div><div><a href="https://wiki.openstreetmap.org/wiki/Key:voltage">https://wiki.openstreetmap.org/wiki/Key:voltage</a></div><div><a href="https://wiki.openstreetmap.org/wiki/Key:frequency">https://wiki.openstreetmap.org/wiki/Key:frequency</a></div><div><br></div><div>Ratherly agreed defaults don't prevent anyone to specify values in all situations if ou she/he wants to.</div> <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div>Being different from domestic power doesn't make a power supply more special than another one.</div><div>Like any man made thing, it is adapted to use case (which can be described in a dedicated OSM tag)</div></div></div></blockquote><div><br></div><div>Yes, you can tag it but you cannot place its position. It's not stuck in the ground like a car</div><div>charging station or a camp site hook-up, it's mobile. At its simplest, a GPU is not much more</div><div> than a couple of 12V lead acid batteries in a wheelbarrow. <br></div></div></div></blockquote><div><br></div><div>Here is the Zurich Airport ground energy systems documentation.</div><div>Three types of supplies : Aircraft, ground and GPU</div><div><a href="https://www.zurich-airport.com/~/media/flughafenzh/dokumente/das_unternehmen/laerm_politik_und_umwelt/luft/2018_zrh_aircraft-ground-energy-system_20180214.pdf">https://www.zurich-airport.com/~/media/flughafenzh/dokumente/das_unternehmen/laerm_politik_und_umwelt/luft/2018_zrh_aircraft-ground-energy-system_20180214.pdf</a></div><div><br></div><div>OSM would only describe ground power supplies and obviously not mobile GPU precisely because they move.</div><div>It's not so desirable to add power_supply=GPU on the airport perimeter or relation because you'll have to deald with electronic appliances charging supplies, industrial supplies or any other numerous kind of supplies in such a complex facility.</div><div><br></div><div>All the best</div><div><br></div><div>François<br></div></div></div>