Questions tagged [rtkgps+]

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Can differences in Datum make a big difference in RTK surveying?

I'm a student studying surveying and analysis. I have gathered coordinates data on the same point via VRS, RTK, and Thingstream's PPP. It seems like VRS and RTK goes similar, but PPP keeps getting ...
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Performance of RTK when observed satellites don’t correspond

When a rover receives observations from a base station (e.g. through NTRIP from a CORS network) it can perform RTK to reduce ambiguities in matching observations to get a more accurate fix. What ...
ljden's user avatar
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When do permanent RTK base stations need to update their advertised ECEF coordinates to account for continental drift?

I have recently setup an L1/L2 RTK base station in the UK, with the data served via rtklib, NTRIP and rtk2go.com. With a matching rover I am getting reliable 10mm fixes with excellent repeatability ...
colintd's user avatar
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Removing RTK Correction from Images

I am doing a thesis research and I was supposed to analyze an un-corrected dataset (drone images collected only using GNSS). When I load the images into Agisoft Metashape (professional version 1.8.4 ...
Jose Luis Landivar S's user avatar
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Extracting Almanac using RTKLIB from ublox-M8N

I am fairly new to this. I have enabled the UBX-RXM-SFRBX command in the M8N and configured the M8N to output .ubx data, after which I recorded a .ubx file using u-center for about 13 minutes(which ...
Stephin's user avatar
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Field Maps with ArduSimple GNSS

I was able to use ArduSimple RTK GNSS normally with Esri Collector. Now with Field Maps it behaves strange. I have an NTRIP subscription and my integration app Lefebure NTRIP works great. It can ...
mov_hp's user avatar
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Georeferencer producing unusable results

Using QGIS 3.26.1 Buenos Aires. I am georeferencing orthophotos produced with an RTK drone and Reality Capture software. These are typically a few centimetres out of alignment with one another. ...
RobbieLobster's user avatar
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Duplicating Agisoft Metashape Projects

I am currently processing data for my Master's thesis and I need to process the same datasets many times with small changes each time. For example: Not using GCPs Using 9 GCPs Using 1 GCP Using RTK ...
Jose Luis Landivar S's user avatar
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1 answer
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What RTCM3 messages are needed for RTK/DGPS?

I am using a U-Blox F9P as a base station and sending RTCM3 corrections over packet radio to another F9P as the rover. I am currently sending 1005, 1074, 1077, 1084, 1087, and 1230. The rover will ...
Wpigott's user avatar
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Wrong UTM zone settings in GPS receiver

I recently made a survey with an rtk GPS in an area within the UTM zone 32 N. Alas, the instrument was set to work on zone 33 N. When I load the points on a map applying the zone 32 projection (EPSG ...
DG_'s user avatar
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RTK positioning vs EGNOS SBAS

With EGNOS sending signals for free and simple GPS receivers with some software are capable of picking up those signals, I assume it is pretty cheap to use SBAS technology. So, why is RTK positioning ...
Jiren's user avatar
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Setting up Internet Access on Trimble R8 for RTK-GPS Corrections w/o using a Controller or Trimble Access Software

I am trying to set up direct Internet access for a Trimble R8s receiver in order to retrieve (RTK) position corrections in real-time from our state geodetic survey's CORS network. By direct Internet ...
Paul Paris's user avatar
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759 views

RTK stream without base station in DJI Mavic 2 Enterprise Advanced

New drone operator here. We recently acquired a DJI Mavic 2 Enterprise Advanced. It comes with an RTK Module. We are based in Iowa, USA and the state has a free Real-Time Network Service (NTRIP) ...
Sourav's user avatar
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RTK Coordinates from Phone to WGS84 Dec Deg using ITRF00 Transformation and proj4.js

I am attempting to simulate an RTK GPS unit transmitting a CORS corrected GPS location to a phone. The coordinates are in NAD83 (from CORS) but in the phone they are seen in decimal degrees. I need to ...
Malcolm's user avatar
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1 answer
3k views

Using RTKGPS+ with smart phone?

I am beginner and new for app RTKGPS+ in smartphone. I am interest to use this program to use my smart phone as the rover by use GPS signal from itself. And take the data from base station to this ...
SAK's user avatar
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RTKGPS+ : Could we use the mobile device as a rover?

Using an Android (version 9) based smartphone, I installed RTKGPS+ ( https://github.com/eltorio/RtkGps ) from the play store. I wonder if it's possible to use the internal GPS chip of the smartphone ...
swiss_knight's user avatar
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