1. Bob Bruninga US Naval Academy Small Satellite Program 410-293-6417 bruninga@usna.edu Sponsor: US Naval Academy UNCLASS DoD Space Experiments Review Board (SERB) Nov 2006 USNA-0203 Space Communications International Experiment Network Classroom Experience

2. 2006 DoD SERB29/14/2015 Description: ISS attached or Free-flyer –Multichannel VHF / UHF transponders –Multimodes: Voice, Telemetry,Video, Image, Data, Msgs Ground Stations: –Internet-linked Global Volunteer network –Off-the-shelf, low-cost ($100 to $200) transceivers –Downloadable software defined sound-card modems –Open-ended experimental bandwidth Complementary Experiments: ODTML – Ocean Data UHF RFI Mitigation MIDN – Human physiology Radiation Detector Objective: –Education of future Naval Officers in Space Programs and Technology –Low cost 1200/9600 baud telemetry bus for STP Experiments –Experimental UHF transponders for DOD & student education/training SCIENCE (USNA-0203) Experiment Concept Previous Priority: 43 of 43: 2005 DoD SERB ! OR

3. 2006 DoD SERB39/14/2015 Experiment Funding: SCIENCE (USNA-0203) Technology & Development Major Instrument or Equipment: ODTML UHF RFI Mitigation Receiver Multiple UHF transponders Multiple modes (voice, data, TDMA FDMA ) Supports additional experiments ( 1200/9600 bd ) Instrument or Equipment Operation: Educational Experiments/Communication Science data from attached experiments Remote Sensor Data Relay Hardware Status: Technology is Mature Technology is Space proven on PCSATS CDR: Spring 2007 Flight Ready: Spring 2008 !

4. 2006 DoD SERB49/14/2015 SCIENCE (USNA-0203) Military Relevance Military Needs: Support additional STP experiments (1200/9600 baud links) ODTML, MIDN, UHF RFI Mitigation Receiver Education of Midshipmen and Space Cadre in Space Applications DOD Schools:Service Academies (4) Graduate Institutions (3) ROTC Units (550 Schools) DOD Comms Cadre: Civil Air Patrol (1800 units) Military Affiliate Radio Stations (8000) US Coast Guard Auxiliaries (33,000) Documentation: USSpaceCom Long Range Plan, p77-79 Ocean Buoys w/ RF Terminals GROUND STATION

5. 2006 DoD SERB59/14/2015 Experiment / Flight Data: Attached payload or Free-flyer Apogee: 400 to 800 km Perigee: 400 to 800 km Inclination: 20 to 98 deg (lower if higher) Physical Data: 0.25m 3, 25 kg, nominal 50 W Shuttle/ISS Required: [No]: Acceptable: [Yes] Experiment Retrieval Required: [No] Repetitive/incremental step flights: [No] Requested STP Services Launch Services Launch Integration SCIENCE (USNA-0203) Flight Requirements Need for Spaceflight ODTML and UHF RFI coverage Communications Orbit for Global coverage and range !

6. 2006 DoD SERB69/14/2015 Data Application Plan Real-time data collection and distribution by existing internet linked system No cost Operations by volunteer ground stations and other schools and universities Transparent data relay, collection, distribution. Independent of system operation Only sender and receiver of data need to collaborate WEB Browser access to all data SCIENCE (USNA-0203) Data Application Plan !

7. 2006 DoD SERB79/14/2015 UFO RFI Mitigation Receiver Psat USNA-0601

8. 2006 DoD SERB89/14/2015 ODTML Mission Psat USNA-0601 Ocean Buoys w/ RF Terminals GROU ND STATI ON ODTML

9. Global Internet Linked Ground Stations All downlinks available live on web via Participating internet linked Ground Stations www.ariss.net pcsat.aprs.org SCIENCE USNA-0203

10. 2006 DoD SERB109/14/2015 Space User Baseline PCSAT validates our links Vandegriff SCIENCE USNA-0203 PCSAT2 User Plot 18 Apr 06 See www.ariss.net

11. 2006 DoD SERB119/14/2015 SCIENCE (USNA-0203) Potential Experimental Users  SCIENCE is a low cost educational transponder supporting not only ODTML, MIDN and other experiments but also University and School Experiments. Background  The University channels can potentially draw from over 30,000 experimenters for easy assessment of loading and scaling issues.  Not only the sensors and users exist, but the global Internet collection and distribution system also exists from PCSAT1 & 2.

12. 2006 DoD SERB129/14/2015 SCIENCE (USNA-0203) Typical User Downlink Access Google for “USNA Buoy” Select USNA-1 This data is LIVE Google WB4APR-9

13. S.C.I.E.N.C.E TRANSPONDERS SCIENCE USNA-0203

14. 2006 DoD SERB149/14/2015 Digital Transponder Telemetry system has 1200/9600 baud available STP Experiments can interface to serial ports here PCsat SCIENCE USNA-0203

15. 2006 DoD SERB159/14/2015 Previous Experiments with Manned Space Future: S.C.I.E.N.C.E ARISS SCIENCE USNA-0203

16. 2006 DoD SERB169/14/2015 Outreach Objectives SCIENCE USNA-0203

17. 2006 DoD SERB179/14/2015 NASA Interest NASA is invested in ARISS/Educational and Outreach objectives SCIENCE USNA-0203

18. 2006 DoD SERB189/14/2015 ISS Crew using ARISS Data & Voice 250 contacts in 24 hrs SCIENCE USNA-0203

19. 2006 DoD SERB199/14/2015 Multimode Capabilities Video, Image, Telemetry, Data, Experimental Modes, Low Bandwidth high user multiplexing Here’s where we fit in. SCIENCE USNA-0203

20. 2006 DoD SERB209/14/2015 DOD Synergy with Educational Experimenters Rome Air Development Center PCsat Data Experiment in F-16 Aircraft Typical Low Cost Experiment SCIENCE (USNA-0203)

21. 20+ Simultaneous Users in 3 KHz Solves number 1 ARISS problem:Uplink CONTENTION! User station is simply free software and Laptop with soundcard connected to any UHF/VHF transceiver SCIENCE USNA-0203

22. 2006 DoD SERB229/14/2015 PSK-31 Narrowband Just 3 Khz can support almost 30 users (6 shown) Audio Spectrogram <One innovative user! <-3 users <-Strong user SCIENCE USNA-0203

23. 2006 DoD SERB239/14/2015 Live-Direct Video/Imaging “Joey, let me send you a picture!” “Here’s what we see out the window” SCIENCE USNA-0203

24. 2006 DoD SERB249/14/2015 Minimum School Station and Experiments OR SCIENCE USNA-0203 OR

25. 2006 DoD SERB259/14/2015 Maximum School Station SCIENCE USNA-0203

26. 2006 DoD SERB269/14/2015 Questions? SCIENCE USNA-0203