There has been no commercial broadcast radio on the longwave band in the US, that's correct. That's why radios featuring that band are rarer here, and usually c

There has been no commercial broadcast radio on the longwave band in the US, that's correct. That's why radios featuring that band are rarer here, and usually confined only to enthusiast radios. The WWVB time signal is technically inside the longwave band, at 60kHz.