Sec.  90.551   Construction requirements.

   Each station authorized under this subpart to operate in the 764–776 MHz and
   794–806 MHz frequency bands must be constructed and placed into operation
   within 12 months from the date of grant of the authorization. However,
   licensees may request a longer construction period, up to but not exceeding
   5 years, pursuant to  Sec. 90.155(b).