Attachment NECN_4.5m_OET65_RFR.

This document pretains to SES-LIC-20160915-00785 for License on a Satellite Earth Station filing.

IBFS_SESLIC2016091500785_1148726

FCC OET-65 RF Exposure Study - Satellite Uplink Facility NECN 4.5 meter Digital Ku-band uplink ASC Model ES45T-T-1 FCC Maximum Permissible Exposure Levels Source Units Public/uncontrolled area exposure limit 47CFR §1.1310 1 mW/cm2 Occupational/controlled area exposure limit 47CFR §1.1310 5 mW/cm2 Input Data Antenna Diameter datasheet 450.0 cm Antenna surface area calculated 159043 cm2 Sub-reflector diameter measured n/a cm Prime focus antenna Sub-reflector area calculated n/a cm2 Feed flange diameter datasheet 19.500 cm2 Feed flange area calculated 299 Frequency (entry) 14250 MHz Wavelength (speed of light = 299,792,458 m/s) calculated 2.104 cm Transmit power at flange Application 23600 milliwatts Antenna gain datasheet 53.6 dBi Antenna gain factor calculated 229087 Height of base of antenna above ground/roof datasheet 1m Height of center of antenna above ground/roof datasheet 3.69 m Minimum Elevation Angle (entry) 5.4 degrees Minimum Elevation Angle calculated 0.09425 radians FCC Maximum Permissible Exposure (MPE) Results calculated using FCC Bulletin OET-65 (Edition 97-01 August 1997) Uncontrolled Controlled Maximum power density at antenna surface Eq. 11 Pg 27 0.59 mW/cm2 Below FCC MPE Below FCC MPE Power density at subreflector Eq. 11 Pg 27 N/A mW/cm2 N/A N/A Power density at feed flange Eq. 11 Pg 27 316.09 mW/cm2 Potential Hazard Potential Hazard Extent of near-field Eq. 12 Pg 27 24064 cm Maximum near-field power density Eq. 13 Pg 28 0.3 mW/cm2 Below FCC MPE Below FCC MPE Aperture efficiency Eq. 14 Pg 28 0.51 Distance to beginning of far-field Eq. 16 Pg 29 57752.45 cm Power density at end of the transition regiion Eq. 17 Pg 29 0.13 mW/cm2 Below FCC MPE Below FCC MPE Maximum far-field power density Eq. 18 Pg 29 0.129 mW/cm2 Below FCC MPE Below FCC MPE Main Beam Far-field region safe exposure distances Minimum distance for public/uncontrolled exposure Eq. 18 Pg 29 207.42 meters Height at minimum antenna elevation angle calculated 23.21 meters Horizontal distance calculated 206.5 meters Minimum distance for occupational/controlled exposure Eq. 18 Pg 29 92.76 meters Height at minimum antenna elevation angle calculated 12.42 meters Horizontal distance calculated 92.35 meters Off-Axis Near Field/Transition Region safe exposure distances from antenna (20 dB reduction in power density at distances greater than one antenna diameter from the main beam center.) OET-65 Pg 30 Maximum off-axis near field power density Eq. 13 Pg 28 0.0030 mW/cm2 Below FCC MPE Below FCC MPE Public/uncontrolled exposure off-axis distance Diam/or Eq 17 4.5 meters Occupatonal/controlled exposure off-axis distance Diam/or Eq 17 4.5 meters Off-Axis Far Field safe exposure distances from the antenna (Based on side lobe attenuation required by FCC 25.209(a)(2)) Angle off main beam axis (1 to 48 degrees) (entry) 5 degree(s) Off-axis antenna gain factor OET-65 Pg 30* 28 Minimum distance for public/uncontrolled exposure Eq. 18 Pg 29 ** 577.52 meters * Gain converted from dBi to linear multiple ** If calculated distance is less than the start of the far field region, the distance to the start of the far field region is used. Uplink Remote Control Point Data NECN 4.5 meter Digital Ku-band uplink Location: 30 Rockefeller Plaza New York, NY 10112 Telephone Number: (212) 664-1900 Prepared by Doug Lung, NBC Universal, September 8, 2016


Document Created: 2019-04-25 12:35:59
Document Modified: 2019-04-25 12:35:59
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