Powering Science at High Latitudes Nicolas Bayou UNAVCO Polar Services Polar Technology Conference 2015 Denver. CO
Outline UNAVCO at a glance UNAVCO Polar Services POLENET Power & Communication The Future Systems
UNAVCO at a glance 30 years serving the science community Non-profit university-governed consortium, facilitating geoscience research and education using geodesy. Government funded (NSF, NASA). Headquartered in Boulder, CO Offices in Anchorage, AK, San Clemente, CA & Portland, OR
UNAVCO at a glance We offer: Operation and support of geodetic networks Technical support Free and open data archive Software development for accessing and processing data Training
UNAVCO Polar Services 7 Professional staff dedicated to supporting polar research projects Precise GPS land surveying & 3D Mapping with LiDar
GPS Sites Network & Management POLENET: GPS Stations Network Antarctica 54 Stations (3 new sites!) Greenland 42 Stations
JUN - 06 SEP - 06 DEC - 06 MAR - 07 JUN - 07 SEP - 07 DEC - 07 MAR - 08 JUN - 08 SEP - 08 DEC - 08 MAR - 09 JUN - 09 SEP - 09 DEC - 09 MAR - 10 JUN - 10 SEP - 10 DEC - 10 MAR - 11 JUN - 11 SEP - 11 DEC - 11 MAR - 12 JUN - 12 SEP - 12 DEC - 12 MAR - 13 JUN - 13 SEP - 13 DEC - 13 MAR - 14 JUN - 14 SEP - 14 DEC - 14 MAR - 15 DEC - 05 MAR - 06 JUN - 06 SEP - 06 DEC - 06 MAR - 07 JUN - 07 SEP - 07 DEC - 07 MAR - 08 JUN - 08 SEP - 08 DEC - 08 MAR - 09 JUN - 09 SEP - 09 DEC - 09 MAR - 10 JUN - 10 SEP - 10 DEC - 10 MAR - 11 JUN - 11 SEP - 11 DEC - 11 MAR - 12 JUN - 12 SEP - 12 DEC - 12 MAR - 13 JUN - 13 SEP - 13 DEC - 13 MAR - 14 JUN - 14 SEP - 14 DEC - 14 MAR - 15 GPS Sites Network & Management ANET Overall Data Return (Feb. 2015): 100 90 100 90 80 80 ANET: 87.1% 70 70 60 60 GNET: 88.1% 50 40 50 40 30 30 20 20 10 10 0 0 70 60 50 40 30 20 10 0 w/coms No Coms 100 90 80 70 60 50 40 30 20 GNET 100 90 80 70 60 50 40 30 20 10 10 0 0
GPS Sites Network & Management Remote Sites Network Monitoring State of Health (Voltages/Temperatures) Data Return Voltage 1 Voltage 2 15 14.5 14 13.5 13 12.5 12 11.5 11 10.5 10 31-Jan 5-Feb 10-Feb 15-Feb 20-Feb 25-Feb 2-Mar Temperatures 15 14.5 14 13.5 13 12.5 12 11.5 11 10.5 10 31-Jan 5-Feb 10-Feb 15-Feb 20-Feb 25-Feb 2-Mar
Power & Communication Systems Power Systems: Powering a wide variety of scientific instruments Margin Rock System Bear Peninsula (BERP) West Antarctic System Kohler Glacier (KHLR) Plateau Snow System Recovery Lakes (REC1)
Power & Communication Systems Remote Polar GPS Stations: PAST design
Power & Communication Systems Remote Polar GPS Stations: PRESENT design
Power & Communication Systems Power Systems Instrumentation: Power Components: Wind Turbine 80W Solar Panels Batteries Racks (100Ah) Weather Station GPS Antenna GPS Receiver Data logger Communications: Structural Frame: Iridium Wind proof Wildlife proof
Power & Communication Systems Power Supply & Communication Board Solar Charge Controller w/lvd Circuit Heat Pad Connector Load Connector LVD Protected Power Connectors Diode protected Up to 2 Wind Turbines Up to 4 Solar Panels Breakers 1 per Battery Bank (4) 1 for Wind Turbines 1 for Solar Panels 1 for the Load Wind Charge Controller
Power & Communication Systems Power Supply & Communication Board Xeos Xi100b Modem (RUDICS) Comms Configurations: Single Modem (Xi100 or 9522B) 2 Iridium 9522B Modems Xi100b + Iridium 9522B Radio Link (Intuicom/Freewave) Iridium 9522B Modem Timers RF Protection: Iridium RF Surge Suppressor GPS Antenna Surge Protector Grounding plates Anti Static Bag
Power & Communication Systems Communication Devices Iridium 9522B Modem Iridium Satellites Constellation Serial Connection to instruments SIM Card About 1W for 1Mb data download per day Info on Iridium web site
0 128 256 384 512 640 768 896 1024 1152 1280 1408 1536 1664 1792 1920 2048 2176 2304 2432 2560 2688 2816 2944 3072 3200 3328 3456 3584 3712 3840 3968 [%] [%] Power & Communication Systems Communication Statistics 18 16 14 12 10 8 6 4 2 0 Daily Connection Time [Hours] 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 [HOURS/DAY] 25 20 15 Downloaded data [kb] 10 5 0 [KB/DAY]
Power & Communication Systems Communication Devices Xeos Xi100B Modem: Built around the Iridium 9522B Ethernet & Serial Link to instruments SBD Messaging, RUDICS, State of health Heater Less then 1W for 1Mb data download per day Info on Xeos Technology web site
Power & Communication Systems Communication Devices Intuicom EB-6 Plus Radio Link: Up to 867 kbps Up to 40 miles line of sight. Ethernet Link to instruments Less then 1W for 1Mb data download per day Info on Intuicom web site
Power & Communication Systems Communication Devices Xeos Xi202 SBD Modem: Short burst data modem for state of health and basic instruments control. Xeos developing a firmware to use with Trimble NetR9 via its Ethernet port.
Current Development Projects Low Power GPS device in test British Antarctic Survey design (Dr. David Jones) Testing on our McMurdo test site Ashtec MB100 OEM L1/L2 GPS OEM board Iridium 9602 SBD (Short Burst Data) modem Paired with NetR9 for performance comparison
Current Development Projects Download Hub Greenland project on Helheim Glacier 7 autonomous GPS sites on the glacier (Trimble NetR9 and Ethernet Radio) 1 repeater 1 Download Hub to gather the data, powered by a Raspberry Pi (Linux low power, cheap board) Summer only.
Infrastructure and Polar GPS Receivers RFPs Infrastructure GPS Receiver RFP Replacement for the Trimble NetR9/NetRS receivers GNSS capabilities Infrastructure GPS RFP (March 2nd, 2015) - GNSS Receiver RFP Polar GPS Receiver RFP Low power focus (2W) and integrated coms Work in progress Soon to be released
Questions? Thank You!
Contact Us / Useful Links UNAVCO Support: support@unavco.org Joseph Pettit, Polar Group Manager: pettit@unavco.org Nicolas Bayou, Engineering: bayou@unavco.org UNAVCO Polar Group: www.unavco.org/polar