It looks one may define a survey trip with only GPS coordinates of one or several points. Which may have its sense. m.s. On Aug 02, 2017, at 10:04 AM, Martin Sluka via Therion <therion@speleo.sk> wrote: This one works: survey x centerline fix 1 0 0 0 endcenterline endsurvey I thing it may be a solution for your problem. But I'm not sure what it will do in case of equates. m.s. On Aug 02, 2017, at 09:17 AM, "Vasily Vl. Suhachev via Therion" <therion@speleo.sk> wrote: Hi, Martin I'm trying to create synonym with short name for station defined in deep hierarchy of namespaces (in purpose for more readable sources) 02.08.2017 13:58, Martin Sluka via Therion пишет: Are you trying to create a survey with only one station with GPS coordinates? -- WBR, Vasily _______________________________________________ Therion mailing list Therion@speleo.sk https://mailman.speleo.sk/listinfo/therion _______________________________________________ Therion mailing list Therion@speleo.sk https://mailman.speleo.sk/listinfo/therion