1. Wireless Roundup Spectrum Management 2008 NSMA Presented by David Meyer - May 20, 2008

2. Wireless Activity & Topics AWS Clearinghouses’ Reports 3650 – 3700 MHz Filings/Deployments Part 25/74/101 Coordination Activity 700 MHz Results 700/AWS MHz Winner Comparison NSMA Study Group Forming Conference Topics

3. AWS Clearinghouses’ Rpts (ET No 00-258) CTIA Spectrum Clearinghouse 07/1/07 -12/31/07 Lifetime Links 219 245 Aggregate Amt$37.8 M $44.9 M Avg $/Link$173 K $183 K PCIA AWS Clearinghouse 07/1/07 -12/31/07Lifetime Links 4 4 Aggregate Amt$1.1 M $1.1 M Avg $/Link$275 K$275 K

4. AWS Incumbents  2110 – 2150 MHz band Approximately 5,700 fixed microwave paths Common Carriers and Private Industry (including state and local governments)  2150 – 2155 MHz band Approximately 150 licensed site-based protected systems of fixed point-to-multipoint applications  1710 – 1755 MHz band Approximately 2,240 frequency assignments used by 12 different Federal Agencies

5. 3650 – 3700 Radio Service 3650-3700 Licenses (Nov’07 – Apr’08) Total FCC Registrations NationwideSite Totals257173 AirTap Communications, LLC167 Omega Communications Corporation140 Wx America, Inc.227 One Ring Networks, Inc.114 PDQLink19 Azulstar, Inc.16 Zilis, Steven G13 Chevron USA Inc.12 Le-Ru Telephone Co.12 Sacred Wind Communications, Inc.12 Trans Metro Broadband, Inc.11

6. Grandfathered Extended C-Band Sites

8. 700 MHz Auction Results Verizon109$9.36 B257770 AT&T227$6.64 B022700 Echostar168$712 M000168 Qualcomm8$558 M0305 King Street Wireless 152$401 M2512700 MetroPCS1$313 M1000 Cox22$305 M14800 Cellular South24$192 M141000 CenturyTel69$149 M214800 Vulcan Spectrum2$113 M2000 Company # Payout Blk A Blk B Blk C Blk E EA CMA REAG EA

9. 700 MHz Auction Results – Block A

10. 700 MHz Auction Results – Block B

11. 700 MHz Auction Results – Block C

12. 700 MHz Auction Results – Block E

13. AWS/700 MHz Top 10 Winners Lists Verizon$ 9.4 BT-Mobile License LLC$ 4.2 B AT&T$ 6.6 BVerizon$ 2.8 B Echostar$ 712 M SpectrumCo LLC (Comcast- TimeWarner-Cox-Brighthouse)$ 2.4 B Qualcomm$ 558 MMetroPCS AWS, LLC$ 1.4 B King Street Wireless$ 401 MNew Cingular (AT&T)$ 1.3 B MetroPCS$ 313 MCricket License Inc.$ 710 M Cox$ 305 MDenali Spectrum License, LLC$ 274 M Cellular South$ 192 MBarat Wireless, L.P.$ 127 M CenturyTel$ 149 MAWS Wireless Inc.$ 116 M Vulcan Spectrum$ 113 MAtlantic Wireless, L.P.$ 75 M 700 MHz AWS

14. Coordination Activity (May ’07 – April ’08) Part 101 Microwave Paths16,23580.4 % Part 101 – Multiple Address (MAS) 7173.5 % Part 74 Microwave Paths – Auxiliary Broadcast 1,6808.3 % Part 25 - Earth Station – Temporaries 1,2116.0 % Part 25 - Earth Station – Permanent Sites 3571.8 % Total20,200 Type # Paths/Sites

15. Coordination Activity (May ’07 – April ’08) Part 101 Microwave Paths 12,88116,235+ 26.0 % Part 101 – Multiple Address (MAS) 844 717- 15.0 % Part 74 Microwave Paths – Auxiliary Broadcast 1,763 1,680- 4.7 % Part 25 - Earth Station – Temporaries 1,075 1,211+ 12.7 % Part 25 - Earth Station – Permanent 426 357- 16.2 % Total16,98920,200 Type May ’06–Apr ‘07 May ’07–Apr ‘08 Change

16. NSMA Study Group Forming  Evaluating Spurious Coordinations and Filing Activities  Concurrent Coordination  Adaptive Modulation Contact Larry Sutliff at sutliff@att.net

17. Conference Topics – Tuesday May 20 th  Recent Spectrum Developments Bryan Tramont, Esq. – 9:10 AM  Spectrum Management with Technical Flexibility Dr. Paul Kolodzy – 9:50 AM  Cognitive Radios & TV White Space Dr. Paul Henry – 10:40 AM  RF Safety at Wireless Sites Robert Johnson – 11:10 AM  Market-Based Forces and the Radio Spectrum Dr. William Sharkey – 1:30 PM

18. Conference Topics – Tuesday May 20 th  C-Band Panel WRC-07 Aftermath: Implications of IMT at C-Band David Hartshorn – 2:00 PM WiMAX and Satellite Compatibility Test Results Robert Ames – 2:30 PM  Industry Roundtable – 3:30 – 5:00 PM David Hartshorn - Global VSAT Forum Mitchell Lazarus - Fixed Wireless Communications Coalition Jill Lyon - Utilities Telecom Council Joslyn Read - Satellite Industry Association Paul Sinderbrand - Wireless Communications Association International

19. Conference Topics – Wednesday May 21 st  AWS and Relocation Mark Gibson – 8:30 AM  Spectrum Management from the DoD Perspective Steven Molina – 9:00 AM  Why the FCC Impedes New Technologies- And What to Do About It Mitchell Lazarus, Esq. – 9:30 AM  A View from the FCC’s Office of Engineering & Technology Julius Knapp – 10:15 AM  Long Term Evolution (LTE) K. Jay Miyahara - 10:45 AM

20. Conference Topics – Wednesday May 21 st  WRC-07 Summary & WRC-11 Preview Dr. Darlene Drazenovich – 11:15 AM  The Evolution of GPS and the Global Navigation Satellite Service Jim Hollinsworth – 1:00 PM  Site Survey Accuracy Jim Wolfson – 1:30 PM  Mobile VSAT Gary Edwards – 2:00 PM

21. www.comsearch.com Thank You for Your Time Enjoy the Conference