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HKUST-Aerial-Robotics / ublox_driver

A driver for u-blox receiver (ZED-F9P) with ros support
GNU General Public License v3.0
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The echoed six messages updates slowly. #10

Closed SSZ1 closed 6 months ago

SSZ1 commented 1 year ago

I ran the Ublox-Driver using the H-RTK-F9P and picked up the 6 messages. But some of them updated slowly when I echoed them like the ublox_deiver/ephem , ublox_deiver/glo_ephem. But the others are normal. Why is this? Is something wrong with the device or the project?

shaozu commented 6 months ago

Hi, @SSZ1. This is totally normal as GNSS data works this way. It takes time for the receiver to download the ephemeris data from the satellite via the very weak link.