@Chuck-Bokath Sounds like you were able to get a connection going? If not, I was going to suggest adding your ground station's IP to the voxl-vision-px4 config file under the qgc_ip setting.
@Chuck-Bokath Great to hear that you're making progress. As for developing your new program you can use the voxl-emulator docker image: https://docs.modalai.com/voxl-emulator/ in order to compile programs for VOXL on an Ubuntu machine. Here is a good doc on MPA https://docs.modalai.com/voxl-sdk/#what-is-modal-pipe-architecture-mpa
@tom The crazy continues. The ATT sim card works at my home, though not in the office. I have an ATT phone, and it works at the office, though the data sim card does not. arrgh.
@groupo This code https://gitlab.com/voxl-public/voxl-sdk/services/voxl-vision-hub/-/blob/master/src/mavlink_io.c?ref_type=heads#L156 sets up a pipe client to listen for Mavlink messages in the voxl-vision-hub application