Sec. 18.205  Description of measurement facilities.

    (a) Any party filing a report of measurements with the Commission 
shall include in that report a description of the measurement 
facilities. If such a description is already on file with the 
Commission, it may be included by reference.
    (b) The description shall include the following information:
    (1) Location of test site.
    (2) Physical description of the test site accompanied by photographs 
A4 (21 cm  x  29.7 cm) or 8 x 10 inches (20.3 cm  x  25.4 cm) in size. 
Photographs smaller than A4 (21 cm  x  29.7 cm) or 8 x 10 inches (20.3 
cm  x  25.4 cm) will be acceptable if they are of sufficient clarity and 
mounted on A4 (21 cm  x  29.7 cm) paper or paper 8 x 10 inches (20.3 cm 
x  25.4 cm).
    (3) Scaled drawing showing the dimensions of the site, the physical 
layout of supporting structures and all structures within 5 times the 
distance between the measuring set and the device under test.
    (4) Description of structures used to support the device being 
measured and the test instrumentation.
    (5) List of measuring equipment used and information concerning the 
calibration of the measuring equipment, i.e., when the equipment was 
last calibrated and frequency of calibration.
    (6) A statement indicating whether this facility is available to do 
measurement work for others on a contract basis.
    (c) This information shall be kept current at all times. At least 
every three (3) years, the organization filing the data shall advise 
that the data on file are current.

    Note: OET Bulletin 55, ``Characteristics of Open Field Test Sites'', 
provides further guidance on open field test sites.

[ 50 FR 36069 , Sept. 5, 1985, as amended at  51 FR 12616 , Apr. 14, 1986; 
 58 FR 44894 , Aug. 25, 1993]