Welcome everyone! Myles here in the Houston area. Amateur radio operator and scanner listener. Like keeping track of whatever is wireless on the air. So far, my only experience with HD FM subchannels is whatever I can pick up with this little Insignia NS-HD01 armband radio I won from KTRU years ago. My car stereo doesn't even have HD. But Santa should be giving me a Sangean HDR-14 in a few days. Hope to be able to contribute my findings to the group. I'm just east of Pearland but I work across town so I get a lot of driving time too. Unfortunately, the work van doesn't get HD either. Have been able to hear Cuba CMBR on 530 kHz on it though. I'm the owner of the HoustonScan groups.io list where scanner enthusiasts talk about stuff we hear on the air.