Locus Map - forum

Support => Troubles & Questions => Topic started by: Gerhard57 on May 02, 2023, 11:25:37

Title: NTRIP-Client using internal GPS
Post by: Gerhard57 on May 02, 2023, 11:25:37
I can use a second android device via app GPS2Bluetooth as bluetooth GPS-Sensor for NTRIP-Client.
This works with NTRIP-Caster:
NTRIP v2.0 (rev2) www.sapos-nw-ntrip.de:2101
mountpoint VRS_3_4G_NW
and user account

How can i use NTRIP-Client with internal GPS or why isn't it possible?
Title: Re: NTRIP-Client using internal GPS
Post by: Menion on May 03, 2023, 22:19:28
Hello Gerhard,
how this should be possible? An internal GPS unit is not able to use received RTCM messages and compute more precise locations based on it. The app currently requires an external device capable of it.

Internal NTRIP client "only" downloads RTCM messages and forwards them to the GPS unit. No direct computations are done on the Locus Map side.
Title: Re: NTRIP-Client using internal GPS
Post by: Gerhard57 on May 04, 2023, 12:18:55
Quote from: Menion on May 03, 2023, 22:19:28direct computations are done on the Locus Map side.
@Menion
thx for information. My hope was LM uses RTCM messages to improve GNSS because "Android supports Raw GNSS measurement" (https://developer.android.com/guide/topics/sensors/gnss)
Title: Re: NTRIP-Client using internal GPS
Post by: Menion on May 04, 2023, 14:52:02
Right, this is already supported for some time.

I'm still waiting till someone do this hard dirty work and prepare an open library that will be prepared for third-party apps like Locus Map. Because it really is a lot of work and the NTRIP system is not a priority for me, for now only an NTRIP CLient as is, is available. Thanks for understanding.