Sunday, 2021-03-07, update
Once I disconnected that ExpLoRaBLE board completely, including from battery, for a truly cold reboot, it then worked. Radio evidently needed a reset that it did not get with battery connected?
Sunday, 2021-03-07, update
Once I disconnected that ExpLoRaBLE board completely, including from battery, for a truly cold reboot, it then worked. Radio evidently needed a reset that it did not get with battery connected?