Sec.  27.1134   Protection of Federal Government operations.

   (a) Protection of Department of Defense operations in the 1710–1755 MHz
   band. The Department of Defense (DoD) operates communications systems in the
   1710–1755 MHz band at 16 protected facilities, nationwide. AWS licensees
   must accept any interference received from these facilities and must protect
   the facilities from interference. AWS licensees shall protect the facilities
   from interference by restricting the operation of their base and fixed
   stations from any locations that could potentially permit AWS mobile, fixed,
   and  portable stations transmitting in the 1710–1755 MHz band to cause
   interference to government operations within the radii of operation of the
   16 facilities (the radii of operation of each facility is indicated in the
   third column of Table 1 immediately following paragraph (a)(3) of this
   section). In addition, AWS licensees shall be required to coordinate any
   operations that could permit mobile, fixed, and portable stations to operate
   in the specified areas of the 16 facilities, as defined in paragraph (a)(3)
   of this section. Protection of these facilities in this manner shall take
   place under the following conditions:

   (1) At the Yuma, Arizona and Cherry Point, North Carolina facilities, all
   operations shall be protected indefinitely.

   (2)  At  the remaining 14 facilities, airborne and military test range
   operations shall be protected until such time as these systems are relocated
   to other spectrum, and precision guided munitions (PGM) operations shall be
   protected until such time as these systems are relocated to other spectrum
   or until PGM inventory at each facility is exhausted, whichever occurs
   first.

   (3)  AWS licensees whose transmit operations in the 1710–1755 MHz band
   consist of fixed or mobile operations with nominal transmit EIRP values of
   100 mW or less and antenna heights of 1.6 meters above ground or less shall
   coordinate their services around the 16 sites at the distance specified in
   row a. of Table 2. AWS licensees whose transmit operations in the 1710–1755
   MHz band consist of fixed or mobile operations with nominal transmit EIRP
   values of 1 W or less and antenna heights of 10 meters above ground or less
   shall  coordinate  their  services around the 16 sites at the distance
   specified  in row b. of Table 2. These coordination distances shall be
   measured from the edge of the operational distances indicated in the third
   column of Table 1, and coordination with each affected DoD facility shall be
   accomplished through the Commander of the facility.

   Table 1—Protected Department of Defense Facilities
   Location Coordinates Radius of
   operation
   (km)
   Cherry Point, NC34 °58' N, 076 °56' W 100
   Yuma, AZ32 °32' N, 113 °58' W 120
   China Lake, CA35 °41' N, 117 °41' W 120
   Eglin AFB, FL30 °29' N, 086 °31' W 120
   Pacific Missile Test Range/Point Mugu, CA 34 °07' N, 119 °30' W 80
   Nellis AFB, NV36 °14' N, 115 °02' W 160
   Hill AFB, UT41 °07' N, 111 °58' W 160
   Patuxent River, MD38 °17' N, 076 °25' W 80
   White Sands Missile Range, NM33 °00' N, 106 °30' W 80
   Fort Irwin, CA35 °16' N, 116 °41' W 50
   Fort Rucker, AL31 °13' N, 085 °49' W 50
   Fort Bragg, NC35 °09' N, 079 °01' W 50
   Fort Campbell, KY36 °41' N, 087 °28' W 50
   Fort Lewis, WA47 °05' N, 122 °36' W 50
   Fort Benning, GA32 °22' N, 084 °56' W 50
   Fort Stewart, GA31 °52' N, 081 °37' W 50

   Table 2—Coordination Distances for the Protected Department Of Defense
   Facilities
   1710–1755 MHz transmit operations Coordination
   distance
   (km)
   a. EIRP <=100 mW, antenna height <=1.6 m AG 35
   b. EIRP <=1 W, antenna height <=10 m AG 55

   (b) Protection of non-DoD operations in the 1710–1755 MHz and 1755–1761 MHz
   bands. Until such time as non-DoD systems operating in the 1710–1755 MHz and
   1755–1761 MHz bands are relocated to other spectrum, AWS licensees shall
   protect  such  systems by satisfying the appropriate provisions of TIA
   Telecommunications  Systems  Bulletin 10–F, “Interference Criteria for
   Microwave Systems,” May, 1994 (TSB 10–F).

   (c)  Protection  of  Federal Government operations below 1710 MHz. AWS
   licensees operating fixed stations in the 1710–1755 MHz band, if notified
   that  such  stations  are causing interference to radiosonde receivers
   operating in the Meteorological Aids Service in the 1675–1700 MHz band or a
   meteorological-satellite    earth    receiver    operating    in   the
   Meteorological-Satellite  Service  in the 1675–1710 MHz band, shall be
   required to modify the stations' location and/or technical parameters as
   necessary to eliminate the interference.

   (d) Recognition of NASA Goldstone facility operations in the 2110–2120 MHz
   band. The National Aeronautics and Space Administration (NASA) operates the
   Deep Space Network (DSN) in the 2110–2120 MHz band at Goldstone, California
   ( see Table 3). NASA will continue its operations of high power transmitters
   (nominal EIRP of 105.5 dBW with EIRP up to 119.5 dBW used under emergency
   conditions) in this band at this location. AWS licensees must accept any
   interference received from the Goldstone DSN facility in this band.

   Table 3—Location of the NASA Goldstone Deep Space Facility
   Location Coordinates Maximum
   transmitter
   output power
   Goldstone, California 35 °18' N 116 °54' W 500 kW

   [ 69 FR 5716 , Feb. 6, 2004, as amended at  73 FR 50571 , Aug. 27, 2008]