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SBG ELLIPSE-D-G4A3-B1 nmea sentence problem #40

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slyandsmart opened this issue Oct 31, 2024 · 0 comments
Open

SBG ELLIPSE-D-G4A3-B1 nmea sentence problem #40

slyandsmart opened this issue Oct 31, 2024 · 0 comments

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@slyandsmart
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slyandsmart commented Oct 31, 2024

I am using the sbg_ros2_driver with ros2 humble under ubuntu 20.04.
Now i have a big problem with the generated nmea message which i use to get ntrip data.
I use the ntrip_client ros2 package to connect to my ntrip provider.

The problem is, that the generated nmea message does not match to the gps coordinates.
i get from the sbg_ros2driver the following:
sentence: "$GPGGA,093923.00,4718.9830,N,0116.2652,E,1,10,1.1,650.1,M,46,M,9.9,9999 * 62\r\n"
but it should be:
sentence: "$GPGGA,093923.00,4718.9830,N,01106.2652,E,1,10,1.1,650.1,M,46,M,9.9,9999 * 52"

the left point is from the nema message from the driver, the right point is the actual correct position
image

i tested the device with the windows-sbg_center and the coordinates there are correct. now i realy have no idea what i could do ....

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