Attachment RAYSATCOORD3

This document pretains to SES-LIC-20060328-00528 for License on a Satellite Earth Station filing.

IBFS_SESLIC2006032800528_508147

RYSar TV & Internet on Wheels TECHNICAL OPERATIONAL COORDINATION AGREEMENT FOR THE JOINT USAGE OF THE BAND 14.0 — 14.5 GHz BETWEEN THE NATIONAL SCIENCE FOUNDATION AND LAND MOBILE SATELLITE SERVICE EARTH STATIONS (LMSS) OPERATED BY RAYSAT, INC. Version 1.0 May 25, 2006

TECHNICAL OPERATIONAL COORDINATION AGREEMENT FOR THE JOINT USAGE OF THE BAND 14.0 — 14.5 GHz BETWEEN THE NATIONAL SCIENCE FOUNDATION AND LAND MOBILE SATELLITE SERVICE EARTH STATIONS (LMSS) OPERATED BY RAYSAT, INC. Radio Astronomy observations are conducted in the 14.47—14.5 GHz band in the USA at a number of Radio Astronomy sites. RaySat, Inc. ("RaySat") desires to operate a network of in— motion Land Mobile Satellite Service stations in the continental United States only, which will operate in the 14.0 to 14.5 GHz transmit and the 11.7 to 12.2 GHz receive band. The present agreement is intended to facilitate operation of the RaySat system, without causing interference to Radio Astronomy stations. 1. General Information 1.1 The band 14.47 to 14.5 GHz is allocated to the radio astronomy service on a secondary basis. 1.2 The band 14.0 —14.5 GHz is allocated in the United States to the Land Mobile Satellite ~ Service ("LMSS") on a secondary basis, provided that LMSS stations include special protection to radio astronomy stations that observe in this band. 1.3 RaySat plans to file an application with the FCC to operate up to four thousand (4,000) technically identical transmit/receive in—motion satellite earth stations to operate in the 11.7 — 12.2 and 14.0 — 14.5 GHz frequency bands. 1.4 This agreement document has been developed to govern the use of all RaySat in—motion stations operating in CONUS to ensure the protection of radio astronomy stations operations in the 14.47 to 14.5 band. 1.5 The Electromagnetic Spectrum Unit of the National Science Foundation (NSF) has the authority to negotiate and sign this agreement for the radio astronomy sites listed in Section 2.1, and RaySat has the authority to negotiate and sign this agreement on behalf of itself. 2. List of NSF supported Radio Astronomy observatories observing or planning to observe in the band 14.47 — 14.5 GHz within the US and its territories 2.1 The following is a list of ten radio astronomy sites supported by NSF that are included in this agreement. T‘wo of these sites, Green Bank, WV and Socorro, NM, require more stringent levels of protection, while the remaining eight sites, which are associated with

TECHNICAL OPERATIONAL COORDINATION AGREEMENT FOR THE JOINT USAGE OF THE BAND 14.0 — 14.5 GHz BETWEEN THE NATIONAL SCIENCE FOUNDATION AND LAND MOBILE SATELLITE SERVICE EARTH STATIONS (LMSS) OPERATED BY RAYSAT, INC. Radio Astronomy observations are conducted in the 14.47—14.5 GHz band in the USA at a number of Radio Astronomy sites. RaySat, Inc. ("RaySat") desires to operate a network of in— motion Land Mobile Satellite Service stations in the continental United States only, which will operate in the 14.0 to 14.5 GHz transmit and the 11.7 to 12.2 GHz receive band. The present agreement is intended to facilitate operation of the RaySat system, without causing interference to Radio Astronomy stations. 1. General Information 1.1 The band 14.47 to 14.5 GHz is allocated to the radio astronomy service on a secondary basis. 1.2 The band 14.0 — 14.5 GHz is allocated in the United States to the Land Mobile Satellite Service ("LMSS") on a secondary basis, provided that LMSS stations include special protection to radio astronomy stations that observe in this band. 1.3 RaySat plans to file an application with the FCC to operate up to four thousand (4,000) technically identical transmit/receive in—motion satellite earth stations to operate in the 11.7 —12.2 and 14.0 — 14.5 GHz frequency bands. 1.4 This agreement document has been developed to govern the use of all RaySat in—motion stations operating in CONUS to ensure the protection of radio astronomy stations operations in the 14.47 to 14.5 band. 1.5 The Electromagnetic Spectrum Unit of the National Science Foundation (NSF) has the authority to negotiate and sign this agreement for the radio astronomy sites listed in Section 2.1, and RaySat has the authority to negotiate and sign this agreement on behalf of itself. 2. List of NSF supported Radio Astronomy observatories observing or planning to observe in the band 14.47 — 14.5 GHz within the US and its territories 2.1 The following is a list of ten radio astronomy sites supported by NSF that are included in this agreement. Two of these sites, Green Bank, WV and Socorro, NM, require more stringent levels of protection, while the remaining eight sites, which are associated with

the Very Long Baseline Array (VLBA), require less stringent protection. See section 3.1 below. Name Latitude Longitude Type Green Bank, WV 38.4331 —79.8397 SINGLE DISH Socorro, NM 34.0789 —107.6183 INTERFEROMETER Brewster, WA 48.1311 —119.6833 VLBA Owens Valley, CA 37.2317 —118.2769 VLBA Kitt Peak, AZ 31.9564 |__—111.6125 VLBA Pie Town, NM 34.3011 —108.1192 VLBA Los Alamos, NM 35.775 —106.2456 VLBA Fort Davis, TX 30.635 —103.9447 VLBA North Liberty, IA 41.7714 —91.5742 VLBA Hancock, NH 42.9336 _—71.9866 VLBA This list of stations is subject to change. NSF shall give RaySat no less than 2 months advance notice of changes in the status of existing sites, or of any additional radio astronomy site being brought into use in the 14.47 — 14.5 GHz band. In case of any change to this list of stations, either party may reopen this agreement to address issues arising in connection with such change. 3. Technical Operational Coordination Agreement NSF and RaySat agree to the following: 3.1 The purpose of this agreement is to provide protection to the radio astronomy sites listed in Section 2.1 in the 14.47 — 14.5 GHz band to the following aggregate pfd levels within that band: e ——221 dB(W/m*/Hz) for the Green Bank and Socorro sites e —189 dB(W/m*/Hz) for the eight CONUS VLBA sites 3.2 This agreement shall be reviewed on an annual basis by all parties signing this document beginning within one year after RaySat has informed NSF of the start of service in CONUS under an operational license. The purpose of this review is to assess the effectiveness of this agreement as well as to update as applicable this or successor operational coordination agreements. 3.3 Each party shall inform the other party in a timely manner of changes in the points of contact as defined in Section 5.

RaySat agrees to: 3.4 Prevent transmissions from any LMSS that would exceed the threshold given in Section 3.1 above. Based on RaySat technical parameters and operational characteristics agreed to during direct RaySat/NSF coordination discussions, RaySat will achieve this by ensuring that the RaySat terminals will not operate within an exclusion zone around the radio astronomy sites listed in Section 2.1 The agreed upon separation distances for each NSF type are shown below: Green Bank, WV (GBT)........2.2.22222.02222...c2 k k. 160 km Socorro, NM (VLA).........2...2...22226rrrrrr l e e k. 160 km Seven Very Long Baseline Array (VLBA) Sites Other Than Hancock, NH ..........2..2...2..2.2...22... ... 50 km VLBA Site at Hancock, NH.......22.2222.222222202...22. 25 km* Until such time as RaySat terminals are able to coordinate based on both time and location, the terminals will not operate when within the given separation distances of the observatories. In the future, if RaySat terminals add the ability to coordinate based on time, restrictions on use will only apply when the terminals are within the specified separation distances and the observatory is scheduled to be observing in this band. *The 25 km exclusion zone for the Hancock, NH VLBA site is based up the need to protect this site from RaySat stations operating outside of the Boston Metropolitan Area, recognizing that the noise floor within the Boston Metropolitan Area is significantly higher than the noise floor in the surrounding areas. NSF agrees to: 3.5 Maintain an observation schedule for the band 14.47 — 14.5 GHz for the sites listed in Section 2.1 and make this schedule available upon request to the designated RaySat point—of—contact listed in Section 5.2, upon notification that RaySat terminals have achieved the capability of coordinating frequency use based upon time. 3.6 Provide, through NRAO, full access to RaySat representatives to data on interference that may be collected during observations that fall within the scope of this agreement. Assignament and Termination 4.1 This agreement shall be binding upon the parties hereto and their respective successors and assigns. 4.2 This agreement may be terminated by the written mutual agreement of the parties, upon 6 months notice.

5 Points of Contact 5.1 Points of contact concerning this agreement. Name: Dr. Tomas E. Gergely Name: Tlan Kaplan Organization: National Science Foundation Organization: RaySat, Inc. Title: Electromagnetic Spectrum Manager Title: VP, Product Management & Business Development Address: 4201 Wilson Boulevard, Address: RaySat, Inc. Room 1030 8460—D Tyco Road City State Zip: Arlington VA 22230 City State Zip: Vienna, VA 22182 Phone: (703) 292—4896 Phone: (703) 584—3770 Fax: (703) 292—9034 Fax: (703) 584—3775 E—mail: esm@asf.gov E—mail: ilan@raysat.com 5.2 Contacts concerning the notification of radio astronomy observation schedules: Dr. Harvey Liszt Name: Daniel DiFonzo Title: Director, Spectrum Management Title: Chief Technical Officer Organization: NRAOQO Organization: RaySat, Inc. Address: NRAO Address: RaySat, Inc. 520 Edgemont Road 8460—D Tyco Road Charlottesville, VA 22903—2475 Phone 434.296.0344 Phone: (703) 584—3770 Fax: 434.296.0278 Fax: (703) 584—3775 E—mail: hliszt@nrao.edu E—mail: dan@raysat.com Signatures This Agreement is being made in good faith by both parties and is effective on the date on which the last party signs it. It may be executed in one or more counterparts, each of which will be deemed an original and all of which together will constitute one and the same instrument.

For the National Science Foundation For RaySat, Inc. By: By: /Xg\(}\fi Name: Dr. Tomas Gergely Name: Han Kaplan [#\ Title: Electromagnetic Spectrum Manager Title: VP, Product Management & Business Developmeilt Date: Date: 0 6]»Ueo { {

Technical Annex This annex shows the calculations upon which the coordination distances were based. The operating parameters of the RaySat terminals and technical data upon which the calculations are based are as follows: In—Band Out—of—Band Transmit Power ~18|dBw ~18|dBw Transmit Reference BW 4000]Hz 4000|Hz Transmit PSD —541dB(W/Hz) —54!dB(W/Hz) COOB Supression 0|dB —70|dB Antenna Horizon Gain —~10|dB —10|0dB In—Band EIRP —6410B(W/AHMz) —134}dB(W/Hz) Green Bank, VLA Objective —221}aB(W/im*2/H2) —221}dB(W/m*2/H2z) Wavelength @ 14.5 GHz 0.02)m 0.02|m Isotropic Collecting Area 3.4E—05|m*2 3.4E—05|m*2 Isotropic Collecting Area ~44.7}0B(m"2) —44.7|0B(m*"2) Green Bank, VLA Objective —265.7}dB(W/HMz) —265.71dB(W/Hz) Required Prop Loss to meet GB/VLA Obj —201.7]dB —131.7}0B VLBA Objective —189}:dB(W/m*2/H2z) —189|dB{(W/m*2/H2z) VLBA Objective —233.710B(W/HMz) —233.7]dB(W/HMz) Required Prop Loss to meet VLBA Ob —169.7]0dB —99.7|dB Based upon the required propagation loss to meet in—band and out—of—band objectives, the following page summarizes the coordination distances required based upon various propagation scenarios using the ITS irregular terrain model.

Frequency 14.5 GHz ITM AREA MODE PROPAGATION SIMULATIONS FOR THE GREEN BANK TELESCOPE Input Parameters Environmental Paramaeters Statistical Parameters Distance to Meet Green Bank Propagation Antenna Heights (m) Site Criteria Conduc Gnd Reliability Loss Regquirements (Green=FSL; Red=!TM) Tx Ax Pol Tx Ax dH (m)] Surf Refr (N) Epsilon Gnd S/m Climate Mode of Variability % Confidence In—Band (202 dB) OOB {132 dB) 2 139.6 V Random Random 10 301 15 0.001 Continental Temperate Mobile 1 50 218.8 7 2 139.6 H Random Random 10 301 15 0.001 Gontinantal Temperate Mobile 1 50 218.8 7 2 189.6 V Random Very Careful 10 301 15 0.001 Continental Temperate Mobile 1 50 218.8 7 2 139.6 V Careful Very Gareful 10 301 15 0.001 Continental Temperate Mabile 1 50 221.8 7 2 139.6 V Very Gareful Very Caretul 10 301 15 0.00 1 Continental Temperate Mobile 1 50 220.5 7 2 139.6 V Careful Careful 10 301 15 0.00 1 Continental Temperate Mobile 1 50 221.8 7 2 139.6 V Careful Careful 90 301 15 0.00 1 Continental Temperate Mobile 1 50 214.4 2 139.6 V Careful Careful 200 301 15 0.001 Continental Temperate Mobile 1 50 147.5 ? 2 139.6 V Careful Caraful 200 301 15 0.001 Contingntal Temperate Single 1 50 47.8 7 2 139.6 V Careful Careful 90 801 15 0.001 Continental Temperate Single 1 50 68 7 2 139.6 V Careful Careful 90 801 15 0.001 Continantal Temperate individual 1 50 143.2 2 139.6 V Careful Careful 200 301 15 0.001 Continental Temperate Individual 1 50 64.3 7 2 139.6 V Careful Careful 200 301 15 0.001 Continental Temperate Moabile 50 50 47.8 7 2 139.6 V Careful Careful 200 301 15 0.001 Continental Temperate Mobile 99 50 28 2 139.6 V Careful Careful 90 301 15 0.001 Continental Temperate Mobile 1 90 214.4 7 ITM AREA MODE PROPAGATION SIMULATIONS FOR THE VERY LARGE ARRAY Input Parameters Environmental Parameters Statistical Parameters Distance to Meet Very Large Array Propagation Antenna Heights (m) Site Criteria Gonduc Gnd Reliability Loss Requirements (Green=FSL; Red=ITM) Tx Ax Pol Tx Ax dH (m)| Surf Refr (N) Epsilon Gnd S/m Climate Mode of Variability % Confidence In—Band (202 dB) 0OB (132 dB) 2 40 V Careful Careful 30 301 15 0.001 Continental Temperate Mobile 1 50 203.4 7 2 40 V Careful Careful 10 301 15 0.001 Continental Temperate Mobile 1 50 203.4 2 40 V Careful Careful 90 301 15 0.001 Continental Temperate Mobile 1 50 195.9 5 ITM AREA MODE PROPAGATION SIMULATIONS FOR THE VLBA sITES Input Parameters Environmental Parameters Statistical Paramaters Distance to Meet Very Large Array Propagation Antenna Heights (m) Site Criteria Conduc Gnd Reliability Loss Requirements (Green=—FSL; Red=ITM} Tx Rx Pol Tx Ax dH (m)] Surf Refr (N) Epsilon Gnd S/m Climate Mode of Variability % Contidence in—Band (170 dB) GOB (100 dB) 2 40 V Careful Careful 0 301 15 0.001 Continental Temperate Mobile 1 50 44.4 (7) 0.2 2 40 V Careful Careful 0 301 15 0.001 Mar Temp Over Sea Mobile 1 50 44.8 (?) 2 40 V Careful Careful 30 801 15 0.001 Continental Temporate Mobile 1 50 60.7 2 40 V Careful Careful 90 301 15 0.00 1 Continental Temperate Mobile 1 50 $0.6


Document Created: 2006-06-29 17:44:02
Document Modified: 2006-06-29 17:44:02
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