It appears now WNYC 820 is not broadcasting HD. It had been noted WNYC 820 had been testing their HD signal 24/7 so not sure what the situcation is there. Now WCBS 880 is on with HD 24/7 they could be testing as well
Other new HD stations for NYC are 660 WFAN and 770 WABC.
Other new HD stations for NYC are 660 WFAN and 770 WABC.