Attachment Coordination report

This document pretains to SES-REG-20170928-01076 for Earth Station Registration on a Satellite Earth Station filing.

IBFS_SESREG2017092801076_1282217

FREQUENCY COORDINATION AND INTERFERENCE
            ANALYSIS REPORT


                       Prepared for
           TCR Sports Broadcasting Holding LLP
                    BALTIMORE, MD
                  Satellite Earth Station




                       Prepared By:
                      COMSEARCH
               19700 Janelia Farm Boulevard
                   Ashburn, VA 20147
                   September 27, 2017


                                                      TABLE OF CONTENTS
1. CONCLUSIONS ............................................................................................................................................ 3
2. SUMMARY OF RESULTS ............................................................................................................................ 4
3. SUPPLEMENTAL SHOWING ....................................................................................................................... 5
4. EARTH STATION COORDINATION DATA .................................................................................................. 6
5. CERTIFICATION ......................................................................................................................................... 10




Frequency Coordination and Interference Analysis Report                                             09/27/2017                        Page 2 of 10


1. CONCLUSIONS



An interference study considering all existing, proposed and prior coordinated microwave
facilities within the coordination contours of the proposed earth station demonstrates that
this site will operate satisfactorily with the common carrier microwave environment.
Further, there will be no restrictions of its operation due to interference considerations.




Frequency Coordination and Interference Analysis Report   09/27/2017         Page 3 of 10


2. SUMMARY OF RESULTS


A number of great circle interference cases were identified during the interference study of
the proposed earth station. Each of the cases, which exceeded the interference objective
on a line-of-sight basis, was profiled and the propagation losses estimated using NBS
TN101 (Revised) techniques. The losses were found to be sufficient to reduce the signal
levels to acceptable magnitudes in every case.




Frequency Coordination and Interference Analysis Report    09/27/2017         Page 4 of 10


3. SUPPLEMENTAL SHOWING
Pursuant to Part 25.203(c) of the FCC Rules and Regulations, the satellite earth station proposed in this
application was coordinated by Comsearch using computer techniques and in accordance with Part 25 of
the FCC Rules and Regulations.

Coordination data for this earth station was sent to the below listed carriers with a letter dated 09/13/2017.

        Company
        AT&T Corp.
        General Dynamics - OTS, Inc.
        MCI Communications Services Inc.




Frequency Coordination and Interference Analysis Report                 09/27/2017              Page 5 of 10


4. EARTH STATION COORDINATION DATA
This section presents the data pertinent to frequency coordination of the proposed earth station that was
circulated to all carriers within its coordination contours.




Frequency Coordination and Interference Analysis Report            09/27/2017            Page 6 of 10


                                                             COMSEARCH
                                                       Earth Station Data Sheet
                                              19700 Janelia Farm Boulevard, Ashburn, VA 20147
                                                (703)726-5500 http://www.comsearch.com

Date:                                    09/27/2017
Job Number:                              170913COMSGE04
Administrative Information
Status                                   ENGINEER PROPOSAL
Call Sign
Licensee Code                            TCRSBH
Licensee Name                            TCR Sports Broadcasting Holding LLP
Site Information                         BALTIMORE, MD
Venue Name
Latitude (NAD 83)                        39° 17' 2.4" N
Longitude (NAD 83)                       76° 37' 13.1" W
Climate Zone                             B
Rain Zone                                2
Ground Elevation (AMSL)                  10.17 m / 33.4 ft
Link Information
Satellite Type                           Geostationary
Mode                                     RO - Receive-Only
Modulation                               Digital
Satellite Arc                            60° W to 143° West Longitude
Azimuth Range                            154.8° to 254.5°
Corresponding Elevation Angles           41.4° / 9.5°
Antenna Centerline (AGL)                 39.32 m / 129.0 ft
Antenna Information                             Receive - FCC32
Manufacturer                                    Patriot
Model                                           3.8 meter
Gain / Diameter                                 41.5 dBi / 3.8 m
3-dB / 15-dB Beamwidth                          1.30° / 2.60°

Interference Objectives:    Long Term           -156.0 dBW/MHz        20%
                            Short Term          -146.0 dBW/MHz        0.01%
Frequency Information                           Receive 4.0 GHz
Emission / Frequency Range (MHz)                36M0G7W / 3700.0 - 4200.0


Max Great Circle Coordination Distance          689.3 km / 428.2 mi
Precipitation Scatter Contour Radius            545.8 km / 339.1 mi




Frequency Coordination and Interference Analysis Report                       09/27/2017        Page 7 of 10


                                                      COMSEARCH
                                                  Earth Station Data Sheet
                                         19700 Janelia Farm Boulevard, Ashburn, VA 20147
                                           (703)726-5500 http://www.comsearch.com



Coordination Values              BALTIMORE, MD
Licensee Name                    TCR Sports Broadcasting Holding LLP
Latitude (NAD 83)                39° 17' 2.4" N
Longitude (NAD 83)               76° 37' 13.1" W
Ground Elevation (AMSL)          10.17 m / 33.4 ft
Antenna Centerline (AGL)         39.32 m / 129.0 ft
Antenna Model                    Patriot 3.8 meter
Antenna Mode                               Receive 4.0 GHz
Interference Objectives: Long Term         -156.0 dBW/MHz      20%
                         Short Term        -146.0 dBW/MHz      0.01%

                                                                Receive 4.0 GHz
                Horizon               Antenna               Horizon        Coordination
Azimuth (°)     Elevation (°)         Discrimination (°)    Gain (dBi)     Distance (km)
 0               0.46                 105.28                 -10.00         332.69
 5               0.43                 110.21                 -10.00         340.32
 10              0.41                 115.14                 -10.00         346.34
 15              0.39                 120.06                 -10.00         352.16
 20              0.34                 122.09                 -10.00         366.30
 25              0.26                 118.82                 -10.00         391.95
 30              0.23                 115.43                 -10.00         402.62
 35              0.00                 111.88                 -10.00         412.20
 40              0.24                 108.39                 -10.00         396.96
 45              0.00                 104.70                 -10.00         412.20
 50              0.00                 101.03                 -10.00         412.20
 55              0.00                  97.31                 -10.00         412.20
 60              0.00                  93.57                 -10.00         412.20
 65              0.00                  89.82                 -10.00         412.20
 70              0.00                  86.07                 -10.00         412.20
 75              0.00                  82.33                 -10.00         412.20
 80              0.00                  78.62                 -10.00         412.20
 85              0.00                  74.95                 -10.00         412.20
 90              0.00                  71.33                 -10.00         412.20
 95              0.00                  67.79                 -10.00         412.20
100              0.00                  64.34                 -10.00         412.20
105              0.00                  61.00                 -10.00         412.20
110              0.00                  57.79                 -10.00         412.20
115              0.00                  54.76                 -10.00         412.20
120              0.00                  51.93                 -10.00         412.20
125              0.00                  49.34                 -10.00         412.20
130              0.00                  47.03                  -9.81         414.57
135              0.00                  45.06                  -9.34         420.42
140              0.00                  43.46                  -8.95         425.40
145              0.00                  42.29                  -8.66         429.22
150              0.00                  41.58                  -8.47         431.61
155              0.00                  41.36                  -8.41         432.37
160              0.00                  41.63                  -8.48         431.45
165              0.00                  42.38                  -8.68         428.92
170              0.00                  43.50                  -8.96         425.28
175              0.00                  44.27                  -9.15         422.85
180              0.00                  44.53                  -9.22         422.04
185              0.00                  44.27                  -9.15         422.85




Frequency Coordination and Interference Analysis Report                  09/27/2017        Page 8 of 10


                                                      COMSEARCH
                                                  Earth Station Data Sheet
                                         19700 Janelia Farm Boulevard, Ashburn, VA 20147
                                           (703)726-5500 http://www.comsearch.com



Coordination Values              BALTIMORE, MD
Licensee Name                    TCR Sports Broadcasting Holding LLP
Latitude (NAD 83)                39° 17' 2.4" N
Longitude (NAD 83)               76° 37' 13.1" W
Ground Elevation (AMSL)          10.17 m / 33.4 ft
Antenna Centerline (AGL)         39.32 m / 129.0 ft
Antenna Model                    Patriot 3.8 meter
Antenna Mode                               Receive 4.0 GHz
Interference Objectives: Long Term         -156.0 dBW/MHz      20%
                         Short Term        -146.0 dBW/MHz      0.01%

                                                                Receive 4.0 GHz
                Horizon               Antenna               Horizon        Coordination
Azimuth (°)     Elevation (°)         Discrimination (°)    Gain (dBi)     Distance (km)
190              0.00                  43.50                  -8.96         425.28
195              0.00                  42.25                  -8.65         429.35
200              0.00                  40.57                  -8.20         435.11
205              0.00                  38.50                  -7.64         442.64
210              0.00                  36.09                  -6.93         452.11
215              0.00                  33.39                  -6.09         463.74
220              0.00                  30.45                  -5.09         477.29
225              0.00                  27.32                  -3.91         494.60
230              0.00                  24.02                  -2.51         515.91
235              0.00                  20.58                  -0.84         542.66
240              0.00                  17.03                   1.22         577.15
245              0.00                  13.41                   3.81         623.44
250              0.00                  10.50                   6.47         673.45
255              0.22                   9.28                   7.81         689.28
260              0.38                  10.62                   6.35         581.73
265              0.39                  13.84                   3.47         527.12
270              0.45                  17.87                   0.70         462.93
275              0.57                  22.26                  -1.69         397.32
280              0.58                  26.89                  -3.74         371.33
285              0.55                  31.64                  -5.51         357.18
290              0.54                  36.45                  -7.04         344.04
295              0.51                  41.29                  -8.40         335.32
300              0.47                  46.17                  -9.61         333.68
305              0.54                  51.05                 -10.00         315.36
310              0.64                  55.95                 -10.00         299.58
315              0.63                  60.87                 -10.00         301.87
320              0.64                  65.79                 -10.00         299.77
325              0.64                  70.72                 -10.00         300.63
330              0.63                  75.66                 -10.00         301.30
335              0.50                  80.60                 -10.00         321.45
340              0.40                  85.54                 -10.00         348.84
345              0.30                  90.47                 -10.00         379.62
350              0.51                  95.41                 -10.00         319.58
355              0.36                 100.35                 -10.00         358.55




Frequency Coordination and Interference Analysis Report                  09/27/2017        Page 9 of 10


5. CERTIFICATION


I HEREBY CERTIFY THAT I AM THE TECHNICALLY QUALIFIED PERSON RESPONSIBLE FOR THE
PREPARATION OF THE FREQUENCY COORDINATION DATA CONTAINED IN THIS APPLICATION,
THAT I AM FAMILIAR WITH PARTS 101 AND 25 OF THE FCC RULES AND REGULATIONS, THAT I
HAVE EITHER PREPARED OR REVIEWED THE FREQUENCY COORDINATION DATA SUBMITTED
WITH THIS APPLICATION, AND THAT IT IS COMPLETE AND CORRECT TO THE BEST OF MY
KNOWLEDGE AND BELIEF.




BY: _
Gary K. Edwards
Senior Manager
COMSEARCH
19700 Janelia Farm Boulevard
Ashburn, VA 20147


DATED: September 27, 2017




Frequency Coordination and Interference Analysis Report   09/27/2017   Page 10 of 10



Document Created: 2017-09-27 14:05:43
Document Modified: 2017-09-27 14:05:43

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