"Hi mP1,
Your suggestion is interesting but an antenna has not sans. To position it you need know the directivity and diagramme. 1/4 wave antenna have no directivity and they diagrame looks like to a donets. So in theory, with this position the GPS…"
"Hello all :)I plugged my pc directly to the serial output of the IMU. I got an high quality communication. So the IMU, serial cable and FTDI cable are not the cause of the problem.Have you any suggestion to solve my problem, please ?"