Low Power, Digital. Jeff Lehmann -----Original Message----- From: Boston-Radio-Interest [mailto:boston-radio-interest-bounces@lists.BostonRadio.org] On Behalf Of A Joseph Ross Sent: Saturday, January 21, 2017 1:14 AM To: boston-radio-interest@lists.BostonRadio.org Subject: Re: NBC Boston call letters In fact, what's "-LD"?