Site plan Chesterfield facility.  The facility was located on a 39 acre site on Bofat Hill.  Four coaxial cables terminated at his facility.  There is also a WLEL coaxial cable that runs to a nearby microwave tower that lined the site to Westover AFB and Springfield, MA.
 

Cross section of Chesterfield facility.
 
 

The upper floor plan showing the AUTOVON switch (#1 ESS) and the diesel generators as well as the DC power and AC motor alternators for the high voltage AC on the L coaxial cable.
 

The lower level of the facility.  Note the large air conditioning area.