Attachment Exhibit B

This document pretains to SES-MOD-20170630-00727 for Modification on a Satellite Earth Station filing.

IBFS_SESMOD2017063000727_1243210

July 11, 2016 NRQZ ID: 10288_15JUN2016 Mr. Richard Thommes Telesat Network Services, Inc. 1601 Telesat Court Ottawa, Ontario, Canada K1B 5P4 Application Reason/Purpose PCN Coordination prior to FCC submission File Number Shall be provided by applicant Reference Copy Applicant Name Addressee Call Sign KA399 Site Name or Loc Mt. Jackson, VA, USA Frequency Coordinator Comsearch 160615COMSGE01 Previous NRAO Coordination No. NRQZ ID 10211 Current NRAO Coordination No. NRQZ ID 10288_15JUN2016 Dear Applicant: The National Radio Quiet Zone (NRQZ) has evaluated these facilities to determine the interference impact on our highly sensitive radio astronomy operations. The National Radio Astronomy Observatory (NRAO), Green Bank, WV, has no objection to this application. The Sugar Grove Research Station, Sugar Grove, WV has no objections. This letter constitutes coordination of assignment in the National Radio Quiet Zone as required by the FCC Rules and Regulations 47CFR1.924. If I may be of assistance, please feel free to contact me. Sincerest regards, Paulette W. Woody Digitally signed by Paulette W. Woody DN: cn=Paulette W. Woody, o=National Radio Astronomy Observatory - Green Bank, ou=National Radio Quiet Zone (NRQZ) Administration, email=pwoody@nrao.edu, c=US Date: 2016.07.11 13:10:30 -04'00' Paulette W. Woody NRAO NRQZ Administrator cc: Gary K. Edwards, Comsearch file: 10288.docx Attachments: 10288 Site Specific Data NOTE: This concurrence remains valid provided the data contained within is consistent with the applicant’s filing at the Commission. Any discrepancy in system parameters, such as geographical coordinates (Latitude, Longitude, AMSL), antenna height above ground level (AGL), antenna gains or directivity (orientation), channel (operating frequency or frequency bands), emission type, and power requires re-coordination. If the Commission has questions regarding the validity of this or any concurrence, please direct inquiries to nrqz@nrao.edu or 304-456-2107.

prior to system loss Mechanical-DT Max ERPd (dBm) prior ERPd per TX (W) Electrical-DT Calculated Max Calculated Max Bandwidth BW to system loss Max FCC File TX Max Gain Lat N Lon W MSL AGL Freq Low Freq High (MHz) NRQZ ID Call Sign TX Pwr Antenna Model AZ ° True Number Pwr (dBi) NAD83 NAD83 (m) (m) (MHz) (MHz) (dBm) (W) 10288 Mt Jackson 600 kHz (10211) KA399 Not provided 1 30.0 62.9 Vertex 15 KPK 90.8 1188502 38 43 42 78 39 25 283.22 8 13750.000 14500.000 600 AZ 107.2 - 224.2 / EL 11.7/34.6 0 0 10288 Mt Jackson 54 MHz (10211) KA399 Not provided 104.7 50.2 62.9 Vertex 15 KPK 110.9 124436183 38 43 42 78 39 25 283.22 8 13750.000 14500.000 54 AZ 107.2 - 224.2 / EL 11.7/34.6 0 0 Reference Copy 10288 Site Specific Data - Telesat Network Services - 160615COMSGE01


Document Created: 2016-07-11 13:10:30
Document Modified: 2016-07-11 13:10:30
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