Received my DroneBeacon db120 today today (ordered on 8/19 so not too bad on the backorder delay) but have a question about registering it on FAADroneZone. I have but one UAS (a P4) so have only one entry in the FAADroneZone inventory. When registering the RID module and updating the FAADroneZone info, do I simply overwrite the drone's S/N with the RID module's S/N or do I create a second entry in the inventory (and pay another $5 to register the module)? It's not entirely clear. If overwriting the S/N, that would seem to imply that the FAA no longer cares about the drone's S/N as long as the RID module S/N is registered. I don't intend to fly with the module attached until I have to, so didn't complete the RID module registration since overwriting the drone's S/N with the RID module's S/N would have me flying a drone who's S/N doesn't match the registration. I'd appreciate some guidance from those who are in the know on this topic. Thanks.