Assigned frequency channels in the band 38,600-40,000 MHz may be subdivided and used anywhere in the authorized service area, subject to the following terms and conditions:
(a)
No interference may be caused to a previously existing station operating in another authorized service area;
(b)
Each operating station must have posted a copy of the service area authorization; and
(c)
The antenna structure height employed at any location may not exceed the criteria set forth in § 17.7 of this chapter unless, in each instance, authorization for use of a specific maximum antenna structure for each location has been obtained from the FAA prior to the erection of the antenna.