topic R1 (GNSS) units with Survey123 in ArcGIS Survey123 Questions https://community.esri.com/t5/arcgis-survey123-questions/r1-gnss-units-with-survey123/m-p/782750#M6505 <HTML><HEAD></HEAD><BODY><P>Can folks share any "accuracy issues" stories using their R1 units with Survey123 (or Collector)?</P><P>Users have various versions of Android phones (S5, S6, S7, etc).</P><P>I set them up with a survey.&nbsp;</P><P>I set up their R1 units. (Using SBAS and allowed for "mock locations").</P><P>They are "paired" and get a solid green light on their R1 units so this tells me they should be getting pretty accurate results. (When testing, I&nbsp; was getting a meter or under accuracy.)</P><P>GNSS-STATUS tells them they have about 1 meter accuracy.</P><P>A good portion of their data (10%?) is not accurate (30-40 meters off). <STRONG>This is my concern.</STRONG></P><P>They claim they are standing still when they send their survey.</P><P>They also claim they have a solid green light on the R1.</P><P>Any comments or suggestions will help me. This may be user error but not sure what to tell them other than make sure you have a solid green light, stand still, and verify the accuracy with GNSS-Status.</P><P>Any war stories will help me.</P><P></P><P></P><P></P><P>Bonus Questions <IMG src="https://community.esri.com/legacyfs/online/emoticons/laugh.png" /></P><P>Can they have the R1 unit in their pocket?</P><P>Does having multiple gadgets paired to their phone cause pairing or connection issue?</P></BODY></HTML> Wed, 23 May 2018 21:50:28 GMT ShawnCarson 2018-05-23T21:50:28Z R1 (GNSS) units with Survey123 https://community.esri.com/t5/arcgis-survey123-questions/r1-gnss-units-with-survey123/m-p/782750#M6505 <HTML><HEAD></HEAD><BODY><P>Can folks share any "accuracy issues" stories using their R1 units with Survey123 (or Collector)?</P><P>Users have various versions of Android phones (S5, S6, S7, etc).</P><P>I set them up with a survey.&nbsp;</P><P>I set up their R1 units. (Using SBAS and allowed for "mock locations").</P><P>They are "paired" and get a solid green light on their R1 units so this tells me they should be getting pretty accurate results. (When testing, I&nbsp; was getting a meter or under accuracy.)</P><P>GNSS-STATUS tells them they have about 1 meter accuracy.</P><P>A good portion of their data (10%?) is not accurate (30-40 meters off). <STRONG>This is my concern.</STRONG></P><P>They claim they are standing still when they send their survey.</P><P>They also claim they have a solid green light on the R1.</P><P>Any comments or suggestions will help me. This may be user error but not sure what to tell them other than make sure you have a solid green light, stand still, and verify the accuracy with GNSS-Status.</P><P>Any war stories will help me.</P><P></P><P></P><P></P><P>Bonus Questions <IMG src="https://community.esri.com/legacyfs/online/emoticons/laugh.png" /></P><P>Can they have the R1 unit in their pocket?</P><P>Does having multiple gadgets paired to their phone cause pairing or connection issue?</P></BODY></HTML> Wed, 23 May 2018 21:50:28 GMT https://community.esri.com/t5/arcgis-survey123-questions/r1-gnss-units-with-survey123/m-p/782750#M6505 ShawnCarson 2018-05-23T21:50:28Z Re: R1 (GNSS) units with Survey123 https://community.esri.com/t5/arcgis-survey123-questions/r1-gnss-units-with-survey123/m-p/782751#M6506 <HTML><HEAD></HEAD><BODY><P>Hi Shawn,</P><P></P><P></P><P>No don't put the R1 in your pocket, It needs to see the sky.</P><P></P><P>The 30-40 meter accuracy could be caused by interference from things like steel roofs , trees , etc.</P><P></P><P>Hope that helps...</P></BODY></HTML> Thu, 24 May 2018 13:50:36 GMT https://community.esri.com/t5/arcgis-survey123-questions/r1-gnss-units-with-survey123/m-p/782751#M6506 MatthewCriel 2018-05-24T13:50:36Z