[BARC-List] strange signal in the basement band

[Dwight A. Ernest]

Dan Malloy wrote:
> Hello to all,
>    I was tuning through the LF portion of the band and heard  an NDB that is definately in this area (LQ, LYNDY, in Lynn) on 282 kHz, but I'm hearing one mysterious ID.  BO, on 375 kHz, is not in the airnav.com database or on any of my charts.  Anyone know what this could be?
> DE Dan, KA1RDZ

It is in AIRNAV. It's an outer marker for the ILS to RWY 04R at KBOS. 
The identifier is MILTT. It's mentioned on 
http://www.airnav.com/airport/BOS/ils/04R

73 de ka2cnn (pp-asel)