Attachment 20140829155928.pdf

20140829155928.pdf

SUPPLEMENT submitted by Billy Volek

Freg. Coordination Study

2014-08-26

This document pretains to SES-REG-20140822-00670 for Earth Station Registration on a Satellite Earth Station filing.

IBFS_SESREG2014082200670_1059703

Eleanor Lott From: Billy Volek <Billy.Volek@sdncommunications.com> Sent: Tuesday, August 26, 2014 6:13 PM To: Eleanor Lott Subject: RE: Application SES—REG—20140822—00670, Attachments: Receive—Only Earth StationInterference_Analyis_report_20131223.pdf Hello Eleanor, Thanks for your patience on this. Please see the attached frequency coordination. | just tried to upload this document and the website would not allow me to. Please advise where/how to upload the document onto the application. Thanks, Billy Volek | Operations Engineer RECEIVED Billy.Volek@SDNCommunications.com 4 2900 W. 10"" St. | Sioux Falls, SD 57104 AUG 2 8 2014 (w) 605.978.3593 | (tt) 800.247.1442 site Division i@ommational Bureau From: Eleanor Lott [mailto:Eleanor.Lott@fcc.gov] Sent: Tuesday, August 26, 2014 4:52 PM To: Billy Volek Co: Eleanor Lott Subject: Application SES—REG—20140822—00670, Hello Mr. Volek, You filed a Receive Only Earth Station Registration Application stated above on August 22, 2014, this is a C—band and you must submit a Frequency Coordination attachment Data sheet with your FCC For 312 pursuant with the FCC Rules part 25:131, so therefore your application is unaccepted as filed? Please submit the requested Information for this filing in order to process your application. Thank you, Eleanor Lott ***This message and any attachments are solely for the intended recipient. If you are not the intended recipient, disclosure, copying, use or distribution of the information included in this message is prohibited —— Please immediately and permanently delete.***

PRELIMINARY INTERFERENCE ANALYSIS REPORT Receive—Only Earth Station SDN Communications Sioux Falls, SD Prepared on Behalf of Mega Hertz f ) 4100 International Plaza | + Fort Worth, TX 76109 » ® 800.883.8839 mm . www.go2mhz.com CO MSEARCH December 25, 2013 rev1 A CommScope Company

TABLE OF CONTENTS I. Introduction II. Contents of Report III. Summary of Results, with Conclusions and Recommendations IV. Operational Parameters and Satellite Data

List of Illustrations Preliminary Analysis Receive—Only Earth Station Figure 4.1—1 Proposed Earth Station Location Tables Table 4.1—1 Earth Station Parameters Table 4.1—2 Satellite Arc and Elevation Table

SECTION 1 INTRODUCTION Receive/Only Earth Station This report presents the results of a preliminary interference analysis for a proposed C—band receive/only earth station site. The site was selected by SDN Communications and is located in Sioux Falls, South Dakota. The earth station was analyzed for reception of analog and digital traffic from all domestic satellites located in the satellite arc from 60 degrees to 143 degrees West Longitude. Operation on all transponders in the 3700 to 4200 MHz frequency band was investigated. This analysis was performed considering a 4.5 meter antenna. The long term interference objective is —156 dBW/ 1 MHz. The preliminary analysis is meant to provide an overview of potential interference at this location and to recommend a course of future action.

SECTION 2 CONTENTS OF THE REPORT Receive/Only Earth Station Section 1 presents the introduction describing the system characteristics including site location, system name, type reception, satellite arc, frequency band considered, type antenna, and interference objectives. Section 2 describes the contents of this report. Section 3 presents the site analysis data sheet. This sheet includes the system location data, site analysis conclusions, and a summary of the analysis with recommendations. Table 3.1—1 summarizes the results of the preliminary analysis, with predicted over—the—horizon (O—H) losses calculated for the various potential interference cases. The columns, reading from left to right, represent the following data: 1. Path — Interference source and transmission path. 2. Band — The frequency band in GHz. 3. Azimuth — Azimuth from the earth station toward the interference source (bearing measured from True North). 4. Distance — Distance to interference source (kilometers). 5. LOS Margin — Interference margin in dB, on a line—of—sight (LOS) basis, i.e., additional isolation required to meet objective (no blockage assumed). 6. O—H Loss — Estimated over—the—horizon loss in dB (predictions consider antenna height and path length, no detailed terrain data used). 7. Estimated — Considering O—H Loss, difference Margin between LOS margin and O—H loss in dB (negative values indicate interference is unlikely). The cases marked with an asterisk are the cases posing the greatest interference problems.

Table 3.1—2 tabulates all transponders that would be affected by terrestrial stations in the 4 GHz frequency band. The columns reading from left to right present the following data: 1. Terrestrial Interference source and Transmission path. Path 2. Band The frequency band in GHz. 3. Azimuth Azimuth from the earth station toward the interference source (bearing measured from True North). 4. Distance Distance to interference source (Kilometers). 5. Loss Required The amount of loss in dB, required to reduce the (Long Term) interference levels to meet the 20% objective. 6. Loss Required The amount of loss in dB, required to reduce the (Short Term) interference levels to meet the .01% objective. 7. Affected The transponders that are affected by the interfering Transponders source. The transponders are numbered 1 — 24 from left to right. Section 4 summarizes the data pertinent to the proposed receive/only earth station. Table 4.1—1 contains the operational parameters of the proposed earth station. Table 4.1—2 lists the azimuth and elevation data for the satellite arc, including those satellites within that arc. Figure 4.1—1 indicates the location of the proposed receive/only earth station. This location should be verified, and if it is not the desired site, Comsearch should be notified immediately so that the precise location can be plotted and analyzed.

SECTION 3 PRELIMINARY ANALYSIS DATA SHEET RECEIVE—ONLY EARTH STATION . System Name: SDN Communications . City: Sioux Falls, South Dakota . Site Identification: . Coordinates: Latitude(North DMS): 43—36—28.0 Longitude(West DMS): 96—48—31.0 _ Ground Elevation: 1484 Feet . Preliminary Analysis Conclusions: (X) a. Site is likely to be acceptable based on computer analysis of the terrestrial environment. (_ ) b. Detailed analysis required to further identify the potential interference problems. (__) —c. Near—in blockage may be required toward azimuths of potential interference cases as shown in Table 3.1—1. (__) d. Measurements may be required to quantitatively establish the local microwave environment. (__) —e. Alternate site should be considered for an antenna location.

7. Summary of Results Conclusions The preliminary analysis did not identify any potential terrestrial interference conflicts within the coordination contours of this site. Recommendations Based on the results of the preliminary analysis, it is recommended this site be prior coordinated with the common carriers as the first step toward FCC registration. It should be noted that this analysis considers the 4 GHz microwave environment and does not include potential interference from sources outside the 4 GHz band. ( Radar Altimeters, Radar Detectors, Cellular Phone, ect.)

Table 4.1—1 Earth Station Parameters SATELLITE EARTH STATION FREQUENCY COORDINATION DATA 12/23/2013 Company SDN COMMUNICATIONS Owner Code Earth Station Name, State SIOUX FALLS, SD Latitude (DMS) (NADS3) 43 36 28.0 N Longitude (DMS) (NADS3) 96 48 31.0 W Ground Elevation AMSL (ft/m) 1483.99 / 452 .32 Antenna Centerline AGL (ft/m) 93.00 / 2 .74 Receive Antenna Type: FPCC32 FCC REFERENCE 32—251L0G (THETA) 4.0 GHz Gain (dBi) / Diameter (m) 43.6 / 4 .5 3 dB / 15 dB Half Beamwidth 0.55 / 1.10 Operating Mode RECEIVE ONLY Modulation DIGITAL Emission / Receive Band (MHz) 36MOF&W / 3700.0000 — 4200.0000 Max. Permissible Interference Power 4.0 GHz, 20% (dBW/1 MHz) —156 .0 4.0 GHz, 0.0100% (dBW/1 MHz) —146 .0 Range of Satellite Arc (Geostationary) Degrees Longitude 60.0 w / 143.0 W Azimuth Range (Min/Max) 132.7 / 236.5 Corresponding Elevation Angles 27.7 / 22.0 Radio Climate A Rain Zone 2 Max. Great Circle Coordination Distance (mi./km) 4.0 GHz 199.1 / 320.4 Precipitation Scatter Contour Radius (mi./km) 4.0 GHz 310.7 / 500.1

Table 4.1—2 Satellite Arc and Elevation Table Earth Station Azimuth and Elevation Table 12/23/2013 Earth Station Name SIOUX FALLS, SD Owner SDN COMMUNICATIONS Latitude (DMS) (NADS83) 43 36 28.0 N Longitude (DMS) (NADS83) 96 48 31.0 W Ground Elevation (ft/m) 1483.99 / 452.32 Amsl Antenna Centerline (ft/m) 9.00 / 2.74 Agl Satellite Arc Range 60.0 W 143.0 W Satellite Azimuth Elevation Satellite Longitude (Degrees) (Degrees) Name 60 .0 132 .7 27 .7 61.0 133 .7 28 .3 AMAZONAS 62 .0 134 .8 28 .9 63 .0 135 .8 29 .4 64 .0 136 .9 30 .0 65.0 138 .0 30 .5 BRAZILSAT B2 66 .0 139 .2 31.0 67.0 140.3 31.5 68 .0 141 .4 32.0 69 .0 142 .6 32 .5 70 .0 143 .8 33 .0 BRAZILSAT B1 71.0 145 .0 33 .4 72 .0 146 .2 33 .9 AMC 6 73 .0 147 .4 34.3 74 .0 148 .6 34 .7 75 .0 149.9 35.1 76 .0 151.1 35.5 77 .0 152 .4 35.9 78 .0 153 .7 36.3 78 .5 154 .4 36 .4 BRAZILSAT B4 79 .0 155 .0 36 .6 80 .0 156 .4 36.9 81 .0 157 .7 37 .2 82 .0 159 .0 37.5 83 .0 160 .4 37 .8 84 .0 161 .8 38 .1 BRAZILSAT B3 85 .0 163 .1 38.3 85.1 163.3 38.3 XM 3 86 .0 164 .5 38 .5 87 .0 165 .9 38 .7 AMC 3 88 .0 167.3 38 .9 89 .0 168 .8 39.1 GALAXY 28 90 .0 170 .2 39 .2 91 .0 171.6 39 .4 GALAXY 11 92 .0 173 .0 39 .5 93 .0 174.5 39 .6 GALAXY 26 94 .0 175.9 39 .6 95 .0 177 .4 39 .7 GALAXY 3C 96 .0 178 .8 39 .7 97 .0 180.3 39 .7 GALAXY 25 98 .0 181 .7 39 .7

Earth Station Azimuth and Elevation Table 12/23/2013 Earth Station Name SIOUX FALLS, SD Owner SDN COMMUNICATIONS Latitude (DMS) (NADS83) 43 36 28.0 N Longitude (DMS) (NADS83) 96 48 31.0 W Ground Elevation (ft/m) 1483.99 / 452.32 Amsl Antenna Centerline (ft/m) 9.00 / 2.74 Agl Satellite Arc Range 60.0 W 143.0 W Satellite Azimuth Elevation Satellite Longitude (Degrees) (Degrees) Name 99 .0 183 .2 39 .7 GALAXY 16 99 .2 183.5 39 .7 SPACEWAY 2 100 .0 184 .6 39 .6 101.0 186 .1 39.5 AMC 4 101.1 186 .2 39.5 DIRECTV 95 102 .0 187.5 39 .4 102 .8 188 .6 39.3 SPACEWAY 1 103 .0 188 .9 39.3 AMC 1 104 .0 190 .4 39.2 105 .0 191 .8 39.0 AMC 18 106.0 193 .2 38 .9 107.0 194 .6 38 .7 107.3 195 .0 38 .6 ANIK F1 107.3 195 .0 38 .6 ANIK FIR 108 .0 196 .0 38 .5 109 .0 197 .4 38 .2 WILDBLUE 1 110 .0 198 .8 38 .0 111.0 200 .1 37 .7 111.1 200.3 37 .7 ANIK F2 112 .0 201 .5 37 .4 113 .0 202 .8 37 .1 SATMEX 6 114 .0 204 .2 36 .8 114.9 205.3 36.5 SOLIDARIDAD 115.0 205 .5 36 .5 XM 4 116 .0 206 .8 36 .1 116 .8 207 .8 35.8 SATMEX 5 117.0 208 .1 35 .8 118 .0 209.3 35 .4 119 .0 210 .6 35.0 120 .0 211.8 34 .6 121.0 213 .1 34 .1 GALAXY 23 121 .0 213 .1 34 .1 ECHOSTAR 9 122.0 214.3 33 .7 123 .0 215 .5 33.3 GALAXY 10R 124.0 216 .7 32 .8 125.0 217 .8 32.3 GALAXY 14 126 .0 219 .0 31.8 127 .0 220 .1 31.3 GALAXY 13 127 .0 220 .1 31.3 HORIZONS 1 128 .0 221.3 30 .8 129.0 222 .4 30.3 GALAXY 27

Earth Station Azimuth and Elevation Table 12/23/2013 Earth Station Name SIOUX FALLS, SD Owner SDN COMMUNICATIONS Latitude (DMS) (NADS83) 43 36 28.0 N Longitude (DMS) (NADS83) 96 48 31.0 W Ground Elevation (ft/m) 1483.99 / 452 .32 Amsl Antenna Centerline (ft/m) 93.00 / 2.74 Agl Satellite Arc Range 60.0 W 143.0 W Satellite Azimuth Elevation Satellite Longitude (Degrees) (Degrees) Name 130 .0 223 .5 29 .8 °131.0 224 .6 29 .2 AMC 11 132 .0 225 .6 28 .7 133 .0 226 .7 28 .1 GALAXY 15 134 .0 227 .7 27 .5 135 .0 228 .8 26 .9 AMC 10 136 .0 229 .8 26.3 137.0 230 .8 25 .8 AMC 7 138 .0 231.8 25.1 139 .0 232 .7 24.5 AMC 8 140 .0 233 .7 23 .9 141 .0 234 .6 23.3 142 .0 235 .6 22 .7 143 .0 236 .5 22.0

Figure 4.1—1 Google earth 1487 ft eye alt 3228 ft


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