Attachment Exhibit A1

This document pretains to SES-STA-20051004-01366 for Special Temporal Authority on a Satellite Earth Station filing.

IBFS_SESSTA2005100401366_459150

EXHIBIT A FREQUENCY COORDINATION AND INTERFERENCE ANALYSIS REPORT Prepared for MARITIME TELECOMMUNICATIONS NETWORK New Orleans 1, LA Temporary Fixed ESV Station Prepared by: PINNACLE TELECOM GROUP 14 RIDGEDALE AVENUE CEDAR KNOLLS, NJ 07927-1106 October 11, 2005

TABLE OF CONTENTS 1. CONCLUSIONS ......................................................................................................................3 2. SUMMARY OF RESULTS.......................................................................................................3 3. SUPPLEMENTAL SHOWING .................................................................................................3 4. EARTH STATION COORDINATION DATA............................................................................3 5. GREAT CIRCLE CONTOUR ...................................................................................................8 6. CERTIFICATION .....................................................................................................................9

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 microwave environment. 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 exceed the interference objective on a line-of- sight bases, 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. No carriers reported potential interference. 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 Pinnacle Telecom Group using computer techniques and in accordance with Part 25 of the FCC Rules and Regulations. Expedited coordination data for this earth station was e-mailed or mailed to the below listed carriers or their coordination agents with a letter dated October 4, 2005. ACADIANA CELLULAR GENERAL PART. - (BMI) IWL COMMUNICATIONS, INC. ALLTEL COMMUNICATIONS, INC. LAFAYETTE MSA LIMITED PARTNERSHIP - (BMI) ALLTEL KANSAS LIMITED PARTNERSHIP LAFOURCHE TELEPHONE COMPANY ALLTEL MOBILE OF LOUISIANA, LLC LOUISIANA RSA #7 CELLULAR GP AT&T COMM. OF THE SOUTH CENTRAL STATES LOUISIANA STATE COMMUNICATION SECTION BELL ATLANTIC MOBILE SYS OF ALLENTOWN MCI WORLDCOM NETWORK SERVICES, INC. BELLSOUTH TELECOMMUNICATIONS, INC. MICRONET COMMUNICATIONS, INC CELLULAR SOUTH LICENSES, INC. MISSISSIPPI AUTHORITY FOR ED CELUTEL OF BILOXI, INC. NEW CINGULAR WIRELESS PCS, LLC - LA CENTENNIAL SOUTHEAST LICENSE COMPANY LLC NEW ORLEANS EDUCATIONAL TELECOMM CENTURYTEL OF ALABAMA, LLC PATHNET, INC. - DEBTOR IN POSSESSION CLECO POWER LLC RADIO DYNAMICS CORPORATION COMSEARCH SOLA COMMUNICATIONS, INC. ENTERGY SERVICES INC SPRINT SPECTRUM LP LOUISIANA EXXON COMMUNICATIONS COMPANY STAR TELEPHONE COMPANY GREATER LAFOURCHE PORT COMMISSION STRATOS OFFSHORE SERVICES COMPANY HANCOCK, COUNTY OF VERIZON WIRELESS PERSONAL COMM., LP 4. EARTH STATION COORDINATION DATA This section presents the data pertinent to frequency coordination of the proposed earth station, which was circulated, to all microwave carriers within its coordination contours.

Pinnacle Pinnacle Telecom Telecom Group, Group, LLC LLC Consulting and Engineering Services www.pinnacletelecomgroup.com Consulting and Engineering Services www.pinnacletelecomgroup.com October 4, 2005 Expedited Response Emergency Coordination Request Temporary Fixed ESV Notification Re: Prior Coordination Request New Orleans 1, LA Maritime Telecommunications Network C-Band Transmit / Receive Earth Station PCN No. 1005-0734 Dear Frequency Coordinator: On behalf of our client, Maritime Telecommunications Network and in accordance with Section 25.203 (c) of the FCC’s Rules and Regulations, we are submitting herewith emergency frequency coordination notification for the above referenced facility. The data consists of a new temporary fixed transmit / receive ESV facility located on a cruise ship in New Orleans, LA. Please note the cruise ship will be permanently berthed at the dock for at least a 6 month period. There will be no in-motion operation for the duration of the authorization. Our radio frequency interference analysis indicates satisfactory frequency coordination between the respective radio systems. However, should your study indicate a potential problem, we would like to have the opportunity to discuss it with you as soon as possible. Your response to this request on or before October 11, 2005 would be appreciated. In your response, please refer to our PCN No.1005-0734. If you have any questions, please give me a call on 973-451-1630, ext. 103. Regards, Tom Detrick Attachment 14 Ridgedale Avenue – Suite 262 Cedar Knolls, NJ 07927 973-451-1630

TEMPORARY FIXED ESV COORDINATION DATA Expedited PCN No. 1005-0734 Date: 10/04/2005 APPLICANT / LICENSEE: MTN EARTH STATION NAME, STATE: NEW ORLEANS 1, LA FCC STATION CALL SIGN: (New) LOCATION NEW ORLEANS, LA LATITUDE (DMS) (NAD83): 29-56-38.5 N LONGITUDE (DMS) (NAD83): 90-03-40.5 W GROUND ELEVATION (feet / meters AMSL): 0.0 ANTENNA CENTERLINE (feet / meters AGL): 80.0 ft / 24.38 m TRANSMIT ANTENNA TYPE: Sea Tel Inc. 9797-11 DIAMETER (meters) 2.4 meters MAXIMUM GAIN (dBi): 41.7 6.1 GHz / 38.5 3.9 GHz 3 dB BEAMWIDTH (degrees): 1.3° 6.1 GHz / 2.1° 3.9 GHz 15 dB BEAMWIDTH (degrees): 2.5° 6.1 GHz / 3.5° 3.9 GHz REFERENCE PATTERN: FCC Reference: 32 - 25 log θ OPERATING MODE: Transmit / Receive FREQUENCY RANGE (MHz): 6361.0-6389.0 4117.0-4153.0 MODULATION: 1M40G7W MAXIMUM AVAILABLE RF POWER dBW/4kHz: -10.2 dBW/1MHz: 13.8 MAXIMUM EIRP dBW/4kHz: 31.5 dBW/1MHz: 55.5 MAX. PERMISSIBLE INTERFERENCE POWER 6 GHz, 20% (dBW/4kHz): -154.0 6 GHz, 0.0025% (dBW/4kHz): -131.0 3.9 GHz, 20% (dBW/4kHz): -156.0 3.9 GHz, 0.0025% (dBW/4kHz): -146.0 GEOSTATIONARY SATELLITE ARC RANGE: 50.0 / 120.0 EARTH STATION AZIMUTH RANGE: 120.7º to 229.1 º CORRESPONDING ELEVATION ANGLES: 34.4º / 42.2º RADIO CLIMATE: B RAIN ZONE: 1 3.9 GHz GREAT CIRCLE COORDINATION DISTANCE: 717.7 km / 445.9 mi 6 GHz GREAT CIRCLE COORDINATION DISTANCE: 271.0 km / 168.4 mi 3.9 GHz PRECIPITATION SCATTER CONTOUR: 648.6 km / 403.0 mi 6 GHz PRECIPITATION SCATTER CONTOUR: 100.0 km / 62.1 mi

Expedited PCN No. 1005-0734 Dated: 10/04/2005 Coordination Values NEW ORLEANS 1, LA Licensee Name MTN, INC. Latitude (NAD 83) 29° 56' 38.5" N Longitude (NAD 83) 90° 3' 40.5" W Ground Elevation (AMSL) 0.0 m / 0.0 ft Antenna Centerline (AGL) 24.38 m / 80.0 ft Antenna Model FCC Reference 32-25LOG(THETA) 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 -10.2 (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 0.00 100.15 -10.00 412.20 -10.00 161.97 5 0.00 95.21 -10.00 412.20 -10.00 161.97 10 0.00 90.26 -10.00 412.20 -10.00 161.97 15 0.00 85.32 -10.00 412.20 -10.00 161.97 20 0.00 80.38 -10.00 412.20 -10.00 161.97 25 0.00 75.43 -10.00 412.20 -10.00 161.97 30 0.00 70.50 -10.00 412.20 -10.00 161.97 35 0.00 65.56 -10.00 412.20 -10.00 161.97 40 0.00 60.63 -10.00 412.20 -10.00 161.97 45 0.00 55.71 -10.00 412.20 -10.00 161.97 50 0.00 50.80 -10.00 412.20 -10.00 161.97 55 0.00 45.90 -9.54 417.88 -9.54 164.05 60 0.00 41.02 -8.32 433.54 -8.32 169.78 65 0.00 36.16 -6.96 451.79 -6.96 176.48 70 0.00 31.35 -5.41 472.78 -5.41 184.45 75 0.00 26.59 -3.62 498.98 -3.62 194.10 80 0.00 21.94 -1.53 531.44 -1.53 206.36 85 0.00 17.46 0.95 572.47 0.95 221.19 90 0.00 13.35 3.86 624.29 3.86 239.66 95 0.00 10.06 6.93 682.65 6.93 258.71 100 0.00 8.59 8.65 717.66 8.65 271.03 105 0.00 9.80 7.22 688.47 7.22 260.74 110 0.00 12.95 4.19 629.79 4.19 241.83 115 0.00 17.00 1.24 577.55 1.24 223.01 120 0.00 21.16 -1.14 537.77 -1.14 208.66 125 0.00 25.25 -3.06 507.51 -3.06 197.61 130 0.00 29.26 -4.66 483.57 -4.66 188.43 135 0.00 33.17 -6.02 464.76 -6.02 181.26 140 0.00 36.93 -7.18 448.70 -7.18 175.35 145 0.00 40.52 -8.19 435.29 -8.19 170.42 150 0.00 43.88 -9.06 424.08 -9.06 166.31 155 0.00 46.96 -9.79 414.78 -9.79 162.92 160 0.00 49.67 -10.00 412.20 -10.00 161.97 165 0.00 51.93 -10.00 412.20 -10.00 161.97 170 0.00 53.65 -10.00 412.20 -10.00 161.97 175 0.00 54.73 -10.00 412.20 -10.00 161.97 180 0.00 55.09 -10.00 412.20 -10.00 161.97 185 0.00 54.73 -10.00 412.20 -10.00 161.97

Expedited PCN No. 1005-0734 Dated: 10/04/2005 Coordination Values NEW ORLEANS 1, LA Licensee Name MTN, INC. Latitude (NAD 83) 29° 56' 38.5" N Longitude (NAD 83) 90° 3' 40.5" W Ground Elevation (AMSL) 0.0 m / 0.0 ft Antenna Centerline (AGL) 24.38 m / 80.0 ft Antenna Model FCC Reference 32-25LOG(THETA) 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 -10.2 (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 0.00 53.65 -10.00 412.20 -10.00 161.97 195 0.00 51.93 -10.00 412.20 -10.00 161.97 200 0.00 49.67 -10.00 412.20 -10.00 161.97 205 0.00 46.96 -9.79 414.78 -9.79 162.91 210 0.00 43.88 -9.06 424.08 -9.06 166.31 215 0.00 40.52 -8.19 435.29 -8.19 170.42 220 0.00 36.93 -7.18 448.69 -7.18 175.34 225 0.00 33.34 -6.07 463.98 -6.07 180.98 230 0.00 30.09 -4.96 479.17 -4.96 186.80 235 0.00 27.33 -3.91 494.55 -3.91 192.47 240 0.00 25.20 -3.04 507.86 -3.04 197.74 245 0.00 23.89 -2.45 516.86 -2.45 201.04 250 0.00 23.52 -2.29 519.48 -2.29 202.00 255 0.00 24.14 -2.57 515.04 -2.57 200.37 260 0.00 25.69 -3.24 504.68 -3.24 196.57 265 0.00 28.00 -4.18 490.63 -4.18 191.02 270 0.00 30.90 -5.25 475.00 -5.25 185.27 275 0.00 34.25 -6.37 459.89 -6.37 179.47 280 0.00 37.92 -7.47 444.81 -7.47 173.92 285 0.00 41.83 -8.54 430.75 -8.54 168.76 290 0.00 45.92 -9.55 417.82 -9.55 164.02 295 0.00 50.14 -10.00 412.20 -10.00 161.97 300 0.00 54.46 -10.00 412.20 -10.00 161.97 305 0.00 58.85 -10.00 412.20 -10.00 161.97 310 0.00 63.30 -10.00 412.20 -10.00 161.97 315 0.00 67.79 -10.00 412.20 -10.00 161.97 320 0.00 72.32 -10.00 412.20 -10.00 161.97 325 0.00 76.87 -10.00 412.20 -10.00 161.97 330 0.00 81.44 -10.00 412.20 -10.00 161.97 335 0.00 86.02 -10.00 412.20 -10.00 161.97 340 0.00 90.60 -10.00 412.20 -10.00 161.97 345 0.00 95.19 -10.00 412.20 -10.00 161.97 350 0.00 99.76 -10.00 412.20 -10.00 161.97 355 0.00 104.33 -10.00 412.20 -10.00 161.97

5. GREAT CIRCLE CONTOUR MTN, INC. Legend: Scale: 1:12,000,000 Great Circle: 6.1 GHz PINNACLE TELECOM GROUP LLC 14 RIDGEDALE AVENUE, SUITE 262 4.0 GHz CEDAR KNOLLS, NJ 07927 Precipitation Scatter: 6.1 GHz 4.0 GHz Earth Station Site:

6. 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 Part 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: Thomas Detrick Director Pinnacle Telecom Group 14 Ridgedale Avenue Cedar Knolls, NJ 07927-1106 Dated: October 11, 2005


Document Created: 2005-10-11 08:09:49
Document Modified: 2005-10-11 08:09:49
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