Notable?
POTUS tweet Capital Letters lead to
http://www.essb.us
eSSB: Extended Single SideBand is any J3E SSB transmission that exceeds the audio bandwidth of standard or traditional 2.9kHz SSB J3E modes (ITU 2K90J3E) starting at 3kHz (ITU 3K00J3E), in order to support the fidelity required and desired for relative high fidelity, full range clean and articulate vocal audio. eSSB is also a refinement of amplitude modulation (AM) that more efficiently uses electrical power and bandwidth as opposed to AM, but can still exhibit the same audio frequency response of broadcast AM if desired
(Still cannot embed here - if someone can please re-post if worthy of bread)