Attachment SESSTA2011102401257.

SESSTA2011102401257.

DECISION submitted by GLOBAL CROSSING AMERICAS SOLUTIONS, INC.

STA GRANT WITH CONDITIONS

0000-00-00

This document pretains to SES-STA-20111024-01257 for Special Temporal Authority on a Satellite Earth Station filing.

IBFS_SESSTA2011102401257_929027

E110150 fSES—STA—2011 f 1024—01257 1B201100466 Global Crossing Americas Solution s, Inc. ° Approved by OMB 3060—0678 APPLICATION FOR EARTH STATION SPECIAL TEMPORARY AUTHORITY APPLICANT INFORMATIONEnter a description of this application to identify it on the main menu: STA Request for Arecibo, Puerto Rico Transmit Receive Earth Station 1. Applicant Name: Global Crossing Americas Phone Number: 305—808—5934 Solutions, Inc. DBA Name: Fax Number: Street: 701 Waterford Way E—Mail: paul.kouroupas@globalcrossing. com Suite 390 City: Miami State: FL Country: USA Zipcode: 33126 — Attention: MrPaul Kouroupas , y tw € Cys_G—h—s1 ; |—A0OsO e h_gv\\ ~ an | czt Sign _GrawOe _ (or other identifier) yoal j j \qral Bursar ! Apps£4 .|.

GLOBAL CROSSING AMERICAS SOLUTION®S, INC. SES—STA—20111024—01257 E110150 CONDITIONS: All operations shall be on an unprotected and non—harmful interference basis, i.e. the applicant shall not cause harmful interference to, and shall not claim protection from, interference caused to it by any other lawfully operating station and it shall cease transmission(s) immediately upon notice of such interference. * en ngieatt se

2. Contact Name: Global Crossing Americas Phone Number: 305—808—5934 Solutions, Inc. Company: Fax Number: Street: 701 Waterford Way E—Mail: paul.kouroupas@globalcrossing. com Suite 390 City: Miami State: FL Country: USA Zipcode: 33126 — Attention: Relationship: (If your application is related to an application filed with the Commission, enter either the file number or the IB Submission ID of the related application. Please enter only one.) 3. Reference File Number SESLIC2011102101245 or Submission ID 4a. Is a fee submitted with this application? @ IfYes, complete and attach FCC Form 159. If No, indicate reason for fee exemption (see 47 C.F.R.Section 1.1114). ol Governmental Entity (al Noncommercial educational licensee 4 Other(please explain): 4b. Fee Classification CGX — Fixed Satellite Transmit/Receive Earth Station 5. Type Request @ Use Prior to Grant t Change Station Location C Other 6. Requested Use Prior Date 11/01/2011 M

7. CityArecibo 8. Latitude (dd mm ss.s h) 18 28 37.8 N 9. State PR 10. Longitude (dd mm ss.s h) 66 45 16.3 W 11. Please supply any need attachments. Attachment 1: Exhibit A Attachment 2: Exhibit B Attachment 3: Exhibit C 12. Description. (If the complete description does not appear in this box, please go to the end of the form to view it in its entirety.) Global Crossing Americas Solutions, Inc. seeks a Special Temporary Authority for their Arecibo, Puerto Rico transmit/receive earth station. The STA is being sought to provide back—up links to critical banking applications at branches of a Puerto Rico bank. The back—ups are to be implemented as an alternate route in case the primary terrestrial links 13. By checking Yes, the undersigned certifies that neither applicant nor any other party to the application is Yes «4 No subject to a denial of Federal benefits that includes FCC benefits pursuant to Section 5301 of the Anti—Drug Act of 1988, 21 U.S.C. Section 862, because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the meaning of "party to the application" for these purposes. 14. Name of Person Signing 15. Title of Person Signing Oscar Luna Vice President Network Operations WILLFUL FALSE STATEMENTS MADE ON THIS FORM ARE PUNISHABLE BY FINE AND / OR IMPRISONMENT (U.S. Code, Title 18, Section 1001), AND/OR REVOCATION OF ANY STATION AUTHORIZATION (U.S. Code, Title 47, Section 312(a)(1)), AND/OR FORFEITURE (U.$. Code, Title 47, Section 503).

FCC NOTICE REQUIRED BY THE PAPERWORK REDUCTION ACT The public reporting for this collection of information is estimated to average 2 hours per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the required data, and completing and reviewing the collection of information. If you have any comments on this burden estimate, or how we can improve the collection and reduce the burden it causes you, please write to the Federal Communications Commission, AMD—PERM, Paperwork Reduction Project (3060—0678), Washington, DC 20554. We will also accept your comments regarding the Paperwork Reduction Act aspects of this collection via the Internet if you send them to PRA@fcc.gov. PLEASE DO NOT SEND COMPLETED FORMS TO THIS ADDRESS. Remember — You are not required to respond to a collection of information sponsored by the Federal government, and the government may not conduct or sponsor this collection, unless it displays a currently valid OMB control number or if we fail to provide you with this notice. This collection has been assigned an OMB control number of 3060—0678. THE FOREGOING NOTICE IS REQUIRED BY THE PAPERWORK REDUCTION ACT OF 1995, PUBLIC LAW 104—13, OCTOBER 1, 1995, 44 U.S.C. SECTION 3507.

12. Description Global Crossing Americas Solutions, Inc. seeks a Special Temporary Authority for their Arecibo, Puerto Rico transmit/receive earth station. The STA is being sought to provide back—up links to critical banking applications at branches of a Puerto Rico bank. The back—ups are to be implemented as an alternate route in case the primary terrestrial links are affected during extreme weather conditions. It is in the best interest of the public that the STA is being sought, to provide critical services during emergency situations.

FREQUENCY COORDINATION AND INTERFERENCE ANALYSIS REPORT Prepared for Global Crossing Americas Solutions, Inc Arecibo, Puerto Rico Satellite Earth Station Prepared By: COMSEARCH 19700 Janelia Farm Boulevard Ashburn, Virginia 20147 October 13, 2011

TABLE OF CONTENTS 1. CONCLUSIONS..12222220200200002vrvvserverretreerer se rrrenserrererriereere ie rec ces eeeseces ceb sc ceb ie rersereeeerisreeecererrerer ie n ie rrr n en se e en cce en 3 2. SUMMARY OF RESULTS..220020020020rrerrersersessrsersesersersrcsrererererrrecseesersereresererrereerrerseerrrrerenerrerne seb rerr en se rerernea n en 4 3. SUPPLEMENTAL SHOWING 1222222020002 000 000002ervrrvererrrrerrerrerrerireeceeererrerererrerrecrrersrecerrerseeei se es ie erener ies enc e e en en en en 5 4. EARTH STATION COORDINATION DATA .12200202020209revivererrerrerrerserserserrrrerrersserserrerrerrrererrrrererseerisrrrerererrece ns 6 ies sallaounle! ooo 10 Frequency Coordination and Interference Analysis Report 10/13/2011 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, based upon the restrictions noted in the Summary of Results (Section 2). Frequency Coordination and Interference Analysis Report 10/13/2011 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 most cases. The following companies reported potential great circle interference conflicts that did not meet the objectives on a line—of—sight basis. When over—the—horizon losses and frequency separation are considered on the interfering paths, sufficient losses exist to negate harmful interference from occurring with the proposed transmit—receive earth station. Further, the transmit spectrum will be limited to frequencies 6094.0 to 6124.0 MHz, and 6382.0 to 6423.0 MHz. ‘ Company AT&T Mobility Puerto Rico Neptuno Media No other carriers reported potential interference cases. Frequency Coordination and Interference Analysis Report 10/13/2011 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. Expedited coordination data for this earth station was sent to the below listed carriers with a letter dated July 22, 2011. An Information—Only letter reducing the transmit power was forwarded on October 6, 2011. Company ALL AMERICAN CABLE AND RADIO INC AT&T Mobility Puerto Rico AT&T Mobility Virgin Islands, Inc. Aeronet Wireless Broadband Corp. CROWN CASTLE INT CORP DE PUERTO RICO EVERTEC, INC INTERISLAND TELEPHONE CORPORATION Iniciativa Tecnologica Centro Oriental Interference Office, Arecibo Observatory Neptuno Media Orizon Wireless Corporation PRWireless, Inc. PUERTO RICO ELECTRIC POWER AUTHORITY PUERTO RICO HIGHWAY AUTHORITY Puerto Rico Commonwealth of State Police Puerto Rico Telephone Company Sprintcom, Inc. Puerto Rico T—Mobile Puerto Rico LLC Frequency Coordination and Interference Analysis Report 10/13/2011 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 10/13/2011 Page 6 of 10

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726—5500 http://www.comsearch.com Date: 10/13/2011 Job Number: 111006COMSGEO1 Administrative Information Status ENGINEER PROPOSAL Call Sign Licensee Code GLOAME Licensee Name Global Crossing Americas Solutions, Inc Site Information ARECIBO, PR Venue Name MIRAMAR ARECIBO Latitude (NAD 83) 18° 28‘ 37.8" N Longitude (NAD 83) 66° 45‘ 16.3" W Climate Zone B Rain Zone 1 Ground Elevation (AMSL) 16.15 m / 53.0 ft Link Information Satellite Type Geostationary Mode TR — Transmit—Receive Modulation Digital Satellite Arc 45° W to 56° West Longitude Azimuth Range 128.5° to 149.1° Corresponding Elevation Angles 57.0° / 65.1° Antenna Centerline (AGL) 6.4 m / 21.0 ft Antenna Information Receive — FCC32 Transmit — FCC32 Manufacturer Prodelin Prodelin Model 2.4 Meter 2.4 Meter Gain / Diameter 38.0 dBi / 2.4 m 42.0 dBi / 2.4 m 3—dB / 15—dB Beamwidth 2.30° / 4.60° 1.50° / 3.00° Max Available RF Power (dBW/4 kHz) ~17.6 (dBW/MHz) 6.4 Maximum EIRP (dBW/4 kHz) 244 (dBW/MHz) 48.4 Interference Objectives: Long Term —156.0 dBwW/MHz 20% —154.0 dBW/4 kHz 20% Short Term —146.0 dBW/MHz 0.01% —131.0 dBW/4 kHz 0.0025% Frequency Information Receive 4.0 GHz Transmit 6.1 GHz Emission / Frequency Range (MHz) 230KGTD — 2M23GT7D / 3700.0 — 4200.0 230KGT7D — 1M30GTD / 6094.0 — 6124.0 230KGTD — 1M30GTD / 6382.0 — 6423.0 Max Great Circle Coordination Distance 412.2 km / 256.1 mi 132.9 km / 82.6 mi Precipitation Scatter Contour Radius 100.0 km / 62.1 mi 100.0 km / 62.1 mi Frequency Coordination and Interference Analysis Report 10/13/2011 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 ARECIBO, PR Licensee Name Global Crossing Americas Solutions, Inc Latitude (NAD 83) 18° 28‘ 37.8" N Longitude (NAD 83) 66° 45‘ 16.3" W Ground Elevation (AMSL) 16.15 m / 53.0 ft Antenna Centerline (AGL) 6.4 m / 21.0 ft Antenna Model Prodelin 2.4 meter Antenna Mode Receive 4.0 GHz Transmit 6.1 GHz Interference Objectives: Long Term —156.0 dBW/MHz 20% —154.0 dBW/4 kHz 20% Short Term —146.0 dBw/MHz 0.01% —131.0 dBW/4 kHz 0.0025% Max Available RF Power —17.6 (dBW/4 kHz) Receive 4.0 GHz Transmit 6.1 GHz Horizon Antenna Horizon Coordination Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) Gain (dBi) Distance (km) 0 0.00 109.78 —10.00 412.20 —10.00 132.91 5 0.00 107.46 —10.00 412.20 —10.00 132.91 10 0.00 105.03 —10.00 412.20 —10.00 132.91 15 0.00 102.51 —10.00 412.20 —10.00 132.91 20 0.00 99.92 —10.00 412.20 —10.00 132.91 25 0.00 97.28 —10.00 412.20 —10.00 132.91 30 0.00 94.59 —10.00 412.20 —10.00 132.91 35 0.00 91.88 —10.00 412.20 —10.00 132.91 40 0.00 89.16 —10.00 412.20 —10.00 132.91 45 0.00 86.45 —10.00 412.20 —10.00 132.91 50 0.00 83.75 —10.00 412.20 —10.00 132.91 55 0.00 81.09 —10.00 412.20 —10.00 132.91 60 0.00 78.47 —10.00 412.20 —10.00 132.91 65 0.00 75.93 —10.00 412.20 —10.00 132.91 70 0.00 73.46 —10.00 412.20 —10.00 132.91 75 0.00 71.10 —10.00 412.20 —10.00 132.91 80 0.00 68.85 —10.00 412.20 —10.00 132.91 85 0.00 66.73 —10.00 412.20 —10.00 132.91 90 0.00 64.78 —10.00 412.20 —10.00 132.91 95 0.00 63.00 —10.00 412.20 —10.00 132.91 100 0.00 61.42 —10.00 412.20 —10.00 132.91 105 0.00 60.05 —10.00 412.20 —10.00 132.91 110 0.94 58.05 —10.00 261.22 —10.00 100.00 115 0.94 57.14 —10.00 261.30 —10.00 100.00 120 1.47 55.98 —10.00 226.63 —10.00 100.00 125 1.89 55.21 —10.00 204.94 —10.00 100.00 130 1.98 55.07 —10.00 200.48 —10.00 100.00 135 2.20 55.09 —10.00 191.83 —10.00 100.00 140 2.53 55.33 —10.00 180.15 —10.00 100.00 145 3.07 55.67 —10.00 162.62 —10.00 100.00 150 3.88 56.09 —10.00 143.00 —10.00 100.00 155 3.52 57.86 —10.00 151.23 —10.00 100.00 160 3.56 59.52 —10.00 150.24 —10.00 100.00 165 3.56 61.43 —10.00 150.26 —10.00 100.00 170 3.59 63.37 —10.00 149.84 —10.00 100.00 175 3.19 64.91 —10.00 159.39 —10.00 100.00 180 2.81 66.46 —10.00 170.74 —10.00 100.00 185 2.81 67.85 —10.00 170.74 —10.00 100.00 Frequency Coordination and Interference Analysis Report 10/13/2011 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 ARECIBO, PR Licensee Name Global Crossing Americas Solutions, Inc Latitude (NAD 83) 18° 28‘ 37.8" N Longitude (NAD 83) 66° 45‘ 16.3" W Ground Elevation (AMSL) 16.15 m / 53.0 ft Antenna Centerline (AGL) 6.4 m / 21.0 ft Antenna Model Prodelin 2.4 meter Antenna Mode Receive 4.0 GHz Transmit 6.1 GHz Interference Objectives: Long Term —156.0 dBW/MHz 20% —154.0 dBW/4 kHz 20% Short Term —146.0 dBwW/MHz 0.01% —131.0 dBW/4 kHz 0.0025% Max Available RF Power —17.6 (dBW/4 kHz) Receive 4.0 GHz Transmit 6.1 GHz Horizon Antenna Horizon Coordination Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) Gain (dBi) Distance (km) 190 2.81 69.41 ~10.00 170.74 —10.00 100.00 195 2.75 7115 — —10.00 172.75 —10.00 100.00 200 2.73 72.99 —10.00 173.41 —10.00 100.00 205 2.73 74.92 —10.00 17342 —10.00 100.00 210 2.73 76.96 —10.00 173.43 —10.00 100.00 215 2.12 79.31 —10.00 195.02 —10.00 100.00 220 2.38 81.38 —10.00 185.52 —10.00 100.00 225 2.85 83.49 —10.00 169.43 —10.00 100.00 230 2.81 85.79 —10.00 170.49 —10.00 100.00 235 2.71 88.11 —10.00 173.95 —10.00 100.00 240 2.55 90.43 —10.00 179.45 —10.00 100.00 245 3.15 92.79 —10.00 160.63 —10.00 100.00 250 2.88 95.08 —10.00 168.38 —10.00 100.00 255 2.23 97.20 —10.00 190.75 —10.00 100.00 260 1.44 99.13 —10.00 228.56 —10.00 100.00 265 1.06 101.05 —10.00 250.22 —10.00 100.00 270 0.95 102.97 —10.00 259.89 —10.00 100.00 275 0.95 104.85 —10.00 259.86 —10.00 100.00 280 0.70 106.47 —~10.00 290.94 —10.00 100.00 285 0.49 107.97 —10.00 323.24 —10.00 108.46 290 0.00 109.11 —10.00 412.20 —10.00 132.91 295 0.00 110.44 —10.00 412.20 —10.00 132.91 300 0.28 111.86 —10.00 385.68 —10.00 124.91 305 0.20 112.83 —10.00 410.58 —10.00 132.41 310 0.00 113.49 —10.00 412.20 ~10.00 132.91 315 0.00 114.14 —10.00 412.20 —10.00 132.91 320 0.00 114.61 —10.00 412.20 —10.00 132.91 325 0.00 114.87 —10.00 412.20 —10.00 132.91 330 0.00 114.94 —10.00 412.20 —10.00 132.91 335 0.00 114.80 —10.00 412.20 —10.00 132.91 340 0.00 114.46 —10.00 412.20 —10.00 132.91 345 0.00 113.92 —10.00 412.20 —10.00 132.91 350 0.00 113.19 ~10.00 412.20 —10.00 132.91 355 0.00 111.98 —10.00 412.20 —10.00 132.91 Frequency Coordination and Interference Analysis Report 10/13/2011 Page 9 of 10

5. CERTIFICATION | HEREBY CERTIFY THAT | AM THE TECHNICALLY QUALIFIED PERSON RESPONSIBLE FOR THE PREPARATION OF THE FREQUENCY COORDINATION DATA CONTAINED IN THIS APPLICATION, THAT 1 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. %Afi% E. Coyyle»" Jeffrey E. Cowles Engineer III, Telecommunications COMSEARCH 19700 Janelia Farm Boulevard Ashburn, Va. 20147 DATED: October 13, 2011 Frequency Coordination and Interference Analysis Report 10/13/2011 Page 10 of 10

Exhibit B Radiation Hazard Report Page 1 of 5 Analysis of Non—lonizing Radiation for a 2.4—Meter Earth Station System This report analyzes the non—ionizing radiation levels for a 2.4—meter earth station system. The analysis and calculations performed in this report comply with the methods described in the FCC Office of Engineering and Technology Bulletin, No. 65 first published in 1985 and revised in 1997 in Edition 97—01. The radiation safety limits used in the analysis are in conformance with the FCC R&O 96—326. Bulletin No. 65 and the FCC R&O specifies that there are two separate tiers of exposure limits that are dependant on the situation in which the exposure takes place and/or the status of the individuals who are subject to the exposure. The Maximum Permissible Exposure (MPE) limits for persons in a General Population/Uncontrolled environment are shown in Table 1. The General Population/Uncontrolled MPE is a function of transmit frequency and is for an exposure period of thirty minutes or less. The MPE limits for persons in an Occupational/Controlled environment are shown in Table 2. The Occupational MPE is a function of transmit frequency and is for an exposure period of six minutes or less. The purpose of the analysis described in this report is to determine the power flux density levels of the earth station in the far—field, near—field, transition region, between the subreflector or feed and main reflector surface, at the main reflector surface, and between the antenna edge and the ground and to compare these levels to the specified MPEs. Table 1. Limits for General Population/Uncontrolled Exposure (MPE) Frequency Range (MHz) _Power Density (mW/cm") 30—300 0.2 300—1500 Frequency (MHz)*{0.8/1200) 1500—100,000 1.0 Table 2. Limits for Occupational/Controlled Exposure (MPE) Frequency Range (MHz) ___Power Density (mW/cm") 30—300 1.0 300—1500 Frequency (MHz)*(4.0/1200) 1500—100,000 5.0 Table 3. Formulas and Parameters Used for Determining Power Flux Densities Parameter Symbol Formula Value Units Antenna Diameter D Input 2.4 m Antenna Surface Area Asurface 1 D/4 4.52 m* Feed Flange Diameter Dra Input 19.0 cm Area of Feed Flange Afa x D; "/4 283.53 cm* Frequency F Input 6175 MHz Wavelength A 300 / F 0.048583 m Transmit Power P Input 5.00 W Antenna Gain (dBi) Ges Input . 42.0 dBi Antenna Gain (factor) G 1 pCes?0 15848.9 n/a Pi T Constant 3.1415927 n/a Antenna Efficiency m GA*/(rD") 0.66 n/a

Exhibit B Radiation Hazard Report Page 2 of 5 1. Far Field Distance Calculation The distance to the beginning of the far field can be determined from the following equation: Distance to the Far Field Region Rg = 0.60 D/A (1) = 71.1 m The maximum main beam power density in the far field can be determined from the following equation: On—Axis Power Density in the Far Field S; =GP/(4 t Ry°) (2) = 1.246 W/im* = 0.125 mW/icm* 2. Near Field Calculation Power flux density is considered to be at a maximum value throughout the entire length of the defined Near Field region. The region is contained within a cylindrical volume having the same diameter as the antenna. Past the boundary of the Near Field region, the power density from the antenna decreases linearly with respect to increasing distance. The distance to the end of the Near Field can be determined from the following equation: Extent of the Near Field Ry = D& / (4 2) (3) — = 29.6 m The maximum power density in the Near Field can be determined from the following equation: Near Field Power Density Si = 16.0 1 P / (1 D) (4) = 2.909 W/m* = 0.291 mW/cm* 3. Transition Region Calculation The Transition region is located between the Near and Far Field regions. The power density begins to decrease linearly with increasing distance in the Transition region. While the power density decreases inversely with distance in the Transition region, the power density decreases inversely with the square of the distance in the Far Field region. The maximum power density in the Transition region will not exceed that calculated for the Near Field region. The power density calculated in Section 1 is the highest power density the antenna can produce in any of the regions away from the antenna. The power density at a distance R, can be determined from the following equation: Transition Region Power Density S = Sn Ry/R (5) = 0.291 mW/icm*

Exhibit B Radiation Hazard Report Page 3 of 5 4. Region between the Feed Assembly and the Antenna Reflector Transmissions from the feed assembly are directed toward the antenna reflector surface, and are confined within a conical shape defined by the type of feed assembly. The most common feed assemblies are waveguide flanges, horns or subreflectors. The energy between the feed assembly and reflector surface can be calculated by determining the power density at the feed assembly surface. This can be determined from the following equation: Power Density at the Feed Flange Sia = 4000 P / Agj (6) = 70.540 mW/icm* 5. Main Reflector Region The power density in the main reflector is determined in the same manner as the power density at the feed assembly. The area is now the area of the reflector aperture and can be determined from the following equation: Power Density at the Reflector Surface Ssurtace = 4 P / Asurface (7) = 4.421 W/im" = 0.442 mW/icm* 6. Region between the Reflector and the Ground Assuming uniform illumination of the reflector surface, the power density between the antenna and the ground can be determined from the following equation: Power Density between Reflector and Ground Sq =P / Asurface (8) hob 1.105 W/m* 0.111 mW/cm*

Exhibit B Radiation Hazard Report Page 4 of 5 7. Summary of Calculations Table 4. Summary of Expected Radiation levels for Uncontrolled Environment Calculated Maximum Radiation Power Density Level Region (mW/cm") Hazard Assessment 1. Far Field (R;=71.1 m) S¢ 0.125 Satisfies FCC MPE 2. Near Field (R,; = 29.6 m) Sat 0.291 Satisfies FCC MPE 3. Transition Region (Ry; < R, < RJ§) S; 0.291 Satisfies FCC MPE 4. Between Feed Assembly and Sta 70.540 Potential Hazard Antenna Reflector 5. Main Reflector Ssurface 0.442 Satisfies FCC MPE 6. Between Reflector and Ground Sq 0.111 Satisfies FCC MPE Table 5. Summary of Expected Radiation levels for Controlled Environment Calculated Maximum Radiation Power Density Region Level (mW/icm*) Hazard Assessment 1. Far Field (R; =71.1 m) S¢ 0.125 Satisfies FCC MPE 2. Near Field (R,; = 29.6 m) Sn 0.291 Satisfies FCC MPE 3. Transition Region (Ry < R, < Rf) S; 0.291 Satisfies FCC MPE 4. Between Feed Assembly and Sta 70.540 Potential Hazard Antenna Reflector 5. Main Reflector Ssurface 0.442 Satisfies FCC MPE 6. Between Reflector and Ground Sq 0.111 Satisfies FCC MPE It is the applicant‘s responsibility to ensure that the public and operational personnel are not exposed to harmful levels of radiation. 8. Conclusions Based on the above analysis it is concluded that harmful levels of radiation will not exist in regions normally occupied by the public or the earth station‘s operating personnel. The transmitter will be turned off during antenna maintenance so that the FCC MPE of 5.0 mW/cm2 will be complied with for those regions with close proximity to the reflector that exceed acceptable levels.

Exhibit B Radiation Hazard Report Page 5 of 5 The applicant agrees to abide by the conditions specified in Condition 5208 provided below: Condition 5208 — The licensee shall take all necessary measures to ensure that the antenna does not create potential exposure ofhumans to radiofrequency radiation in excess ofthe FCC exposure limits defined in 47 CFR 1.1307(b) and 1.1310 wherever such exposures might occur. Measures must be taken to ensure compliance with limitsfor both occupational/controlled exposure andfor general population/uncontrolled exposure, as defined in these rule sections. Compliance can be accomplished in most cases by appropriate restrictions such asfencing. Requirementsfor restrictions can be determined by predictions based on calculations, modeling or byfield measurements. The FCC‘s OET Bulletin 65 (available on—line at www.fec.gov/oet/rfsafety) provides information on predicting exposure levels and on methodsfor ensuring compliance, including the use of warning and alerting signs andprotective equipmentfor worker.

Global Crossing Americas Solutions, Inc. Response to Form 312 Question 34 Page 1 of 2 OWNERSHIP INFORMATION (1) Name, address, citizenship, and primary business of the controlling entity and any intermediate subsidiaries or parties. Global Crossing Americas Solutions, Inc. ("GCAS") is owned and controlled by Level 3 Communications, Inc. ("Level 3 Parent"), through a series of intermediate holding companies: Impsat Fiber Networks, Inc. Address: Elvira Rawson de Dellepiane, 150 Piso 8, C1107 BCA, Buenos Aires, Argentina Citizenship;. Delaware Principal Business: holding company Relationship: owns 100 percent of GCAS GC Impsat Holdings II Ltd. Address: 10 Fleet Place, 7th Floor, London EC4M 7RB, England Citizenship: United Kingdom Principal Business: holding company Relationship; owns 100 percent of Impsat Fiber Networks, Inc. GC Impsat Holdings I Ltd. Address: 10 Fleet Place, 7th Floor, London EC4M 7RB, England Citizenship: United Kingdom Principal Business: holding company Relationship: owns 100 percent of GC Impsat Holdings II Ltd. GC Impsat Holdings Nederlands B.V. Address: 10 Fleet Place, 7th Floor, London ECA4M 7RB, England Citizenship: Netherlands Principal Business: holding company Relationship;: owns 100 percent of GC Impsat Holdings I Plc Global Crossing Holdings Limited ("GCHL*") Address: Wessex House, 45 Reid Street, Hamilton HM12, Bermuda Citizenship: Bermuda Principal Business: holding company Relationship; owns 100 percent of GC Impsat Holdings Nederlands B.V. Level 3 GC Limited Address: Wessex House, 45 Reid Street, Hamilton HM12, Bermuda Citizenship: Bermuda Principal Business: holding company

Global Crossing Americas Solutions, Inc. Response to Form 312 Question 34 Page 2 of 2 Relationship; owns 100 percent of GCHL Level 3 Financing, Inc. Address: 1025 Eldorado Blvd., Broomfield, Colorado 80021 Citizenship;: USA Principal Business: telecommunications Relationship;: owns 100 percent of Level 3 GC Limited Level 3 Communications, Inc. ("Level 3 Parent") Address: 1025 Eldorado Blvd., Broomfield, Colorado 80021 Citizenship: USA Principal Business: telecommunications Relationship; owns 100 percent of Level 3 Financing, Inc. (2) Name, address, citizenship, and the percentage of voting and equity stock of foreign entities holding 10 percent or more of the controlling corporation‘s voting stock. STT Crossing Ltd ("STT Crossing") Address: 10 Frere Felix de Valois Street, Port Louis, Mauritius Citizenship: Mauritius Principal Business: holding company Relationship; owns approximately 24.33 percent of Level 3 Parent STT Communications Ltd ("STT Communications") Address: 51 Cuppage Road #09—01, StarHub Centre, Singapore 229469 Citizenship: Singapore Principal Business: information communications Relationship: owns 100 percent of STT Crossing Singapore Technologies Telemedia Pte Ltd ("ST Telemedia") Address: 51 Cuppage Road #09—01, StarHub Centre, Singapore 229469 Citizenship: Singapore Principal Business: investment holding company Relationship: owns 100 percent of STT Communications Temasek Holdings (Private) Limited ("Temasek") Address: 60B Orchard Road #06—18, The Atrium@Orchard, Singapore 238891 Citizenship;: Singapore Principal Business: investment holding company Relationship: owns 100 percent of ST Telemedia Temasek is wholly owned by the Government of Singapore through the Minister for Finance.


Document Created: 2011-12-05 18:25:26
Document Modified: 2011-12-05 18:25:26
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