(b) A station within 1600 m (1 mile) of an FCC monitoring facility must protect that facility from harmful interference. Failure to do so could result in imposition of operating restrictions upon the amateur station by an EIC pursuant to Sec. 97.121 of this part. Geographical coordinates of the facilities that require protection are listed in Sec. 0.121 (c) of this chapter.

(c) Before causing or allowing an amateur station to transmit from any place where the operation of the station could cause human exposure to RF electromagnetic field levels in excess of those allowed under Sec. 1.1310 of this chapter, the licensee is required to take certain actions.

(1) The licensee must perform the routine RF environmental evaluation prescribed by Sec. 1.1307 (b) of this chapter, if the power of the licensee's station exceeds the limits given in the following table:

	Wavelength Band	Evaluation Required if Power* (watts) Exceeds
MF	160 meters	500
HF	80 meters	500
	75 meters	500
	40 meters	500
	30 meters	425
	20 meters	225
	17 meters	125
	15 meters	100
	12 meters	75
	10 meters	50
VHF	All bands	50
UHF	70 cm	70
	33 cm	150
	23 cm	200
	13 cm	250
SHF	All bands	250
EHF	All bands	250
Repeater stations	All bands	•non-building mounted antennas: height above ground level to lowest point of antenna < 10 m and power > 500 W ERP •building mounted antennas: power > 500 W ERP
* Power = PEP input to antenna except, for repeater stations only, power exclusion is based on ERP (effective radiated power).

 (2) If the routine environmental evaluation indicates that the RF electromagnetic fields could exceed the limits contained in § 1.1310 of this chapter in accessible areas, the licensee must take action to prevent human exposure to such RF electromagnetic fields. Further information on evaluating compliance with these limits can be found in the FCC's OET Bulletin Number 65, "Evaluating Compliance with FCC-Specified Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields."

[54 FR 25857, June 20, 1989, as amended at 55 FR 20398, May 16, 1990; 61 FR 41019, Aug. 7, 1996; 62 FR 47963, Sept. 12, 1997; 62 FR 49557, Sept. 22, 1997; 62 FR 61448, Nov. 18, 1997]