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AMIGA Status Report

AMIGA Status Report. Uwe Fröhlich. University of Siegen - Department of Physics For the AMIGA Group. Auger Collaboration Meeting - 2011/11/14. Infill Status. Infill completed on September 9th! 61 stations deployed Exposure as of September 30, 2011: 35.7 km 2 sr y

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AMIGA Status Report

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  1. AMIGA Status Report Uwe Fröhlich University of Siegen - Department of Physics Forthe AMIGA Group AugerCollaboration Meeting - 2011/11/14

  2. Infill Status • Infillcompleted on September 9th! • 61 stationsdeployed • Exposure as of September 30, 2011: 35.7 km2 sr y • Nominal aperture for the full Infill: 42 km2 sr • Twice statistics every year! • 14 GAP notes since 2009 • 1 ICRC presentation in 2009 + 3 in 2011 • Infill spectrum paper in preparation • Future: Deployment of a denser Infill ??? ICRC 2011 UweFröhlich - Collaboration Meeting - 2011/11/14

  3. BATATA Status • BATATA arrived to Malargüe from Mexico on June 2011 • 1st installation mission on July – August: • Transportation of 3 planes to the site • Construction of a pit (3x3x3 m) • Preparation of shielding (~2000 sand bags) • Installation of the first plane • 2nd installation on September – October: • Installation of the power system • Preparation of planes 2 and 3 • Stable data taking with plane 1 for 43 days UweFröhlich - Collaboration Meeting - 2011/11/14

  4. Installation ofmuoncounters • First triangle (May 2011) • 4 muoncountersat 3 SD stations on the 750 m grid • PreUnitaryCell (January 2012) • 7 10m2muoncounters, i.e. 1 per UC position • Power System alreadyinstalled (solar panels, batteries, cabling) • 2 modulesalmostready • 4 modules will bereadybymidofDecember • 4 modules will bedeployed in JanuarytocompletethePreUnitaryCell UweFröhlich - Collaboration Meeting - 2011/11/14

  5. Installation ofmuoncounters • UnitaryCell (estimated 2012) • 14 10m2 and 14 5m2 modules, i.e. 2 and 2 per UC position • 7 10m2 + 13 5m2 modules to be deployed before September 2012 • 3 modules simultaneously per month starting on March 2012 • Deployment of Twins? • Equip an 8th SD station with muon counters to check for fluctuations UweFröhlich - Collaboration Meeting - 2011/11/14

  6. AMIGA telecomms • Data transferrequirements: • 20 T2 timestamps / second (20-bit number (microsecond) + 4 bits additional data) • AMIGA muondata: 1.4 Kbit sent • every 10 secondswhen HEAT isworking • every 1 minuteotherwise • All datasent in parallel withtheexisting Leeds radio UweFröhlich - Collaboration Meeting - 2011/11/14

  7. AMIGA telecomms • Telecommssolutionproposedfor UC: • Industrial grade XBee pro radios • Wireless standard 802.15.4 • Ultra low power consumption • AMIGA uses 3 channels in thewireless band • Eachchannel: • Effectivebit rate: 125 kbps • 100 bytesframes UweFröhlich - Collaboration Meeting - 2011/11/14

  8. AMIGA telecomms:Proposedsolutions, laboratoryandfieldtests Twocoordinatorsoftwareversions: • Version 1: • Poll basedcoordinator • Assigns a time frameforthesubscribertoanswerwithin a given time • Advantages: • Channel onlyusedonce per subscriber • Very robust forerrorcorrection • Disadvantage: • Slowerthanversion 2 • Testresults: • Averageresponse time ofaround 10 ms • usefulforthe UC but not forthefullarray • Packet lossof 470 ppm • Nodataloss • Optimum packet size: 2 standardXBeepackets (214 bytes) UweFröhlich - Collaboration Meeting - 2011/11/14

  9. AMIGA telecomms:Proposedsolutions, laboratoryandfieldtests Twocoordinatorsoftwareversions: • Version 2: • TDM basedcoordinator • Assigns a time frameforeachstationandsearcheseachframeperiodicallyfordata • Advantages: • Fasterthanversion 1 • Disadvantage: • Not that robust fordataerrorcorrection • Testresults: • Averageresponse time ofaround 10 msdoes not existforthissoftwareversion • enoughbandwidthforthefull AMIGA array • Efficiency isabout 97 % • still not enoughforAugerrequirements (99 %) UweFröhlich - Collaboration Meeting - 2011/11/14

  10. AMIGA telecomms:WiFi alternative • Link calculation for the farther tank from Coihueco (Feche 0736) using WiFi COIHUECO • 600 mW Avg. TX Power 802.11b/g-based 2.4GHz radio • Up to 10km of range performance, • 25+Mbps of throughput UweFröhlich - Collaboration Meeting - 2011/11/14

  11. AMIGA telecomms:WiFi alternative – Field measurements Field measurements of throughput per channel conducted close to Coihueco T2 lists ____ T3 ____ Muon data ____ No. of Bits Time [s] UweFröhlich - Collaboration Meeting - 2011/11/14

  12. New MCU Board • Replacementofcurrent MCU Board (after pre-unitarycell) • Connection betweenmuoncountersandsurfaceelectronics • Ethernet insteadof CAN bus • Running a Linux system • Remotelyprogrammable • Providestemperatureandhumiditymonitoring • Prototype in production • Communication with Digital Board FPGA tested (lab) UweFröhlich - Collaboration Meeting - 2011/11/14

  13. New 320 MHz code • Acquisitioncodehasbeenwritten • Hardware tests (lab) arebeeingperformed • T1 – T3 fullyworking • 100% compatiblewiththecurrent Digital Board • System controlsimplified (e.g. settingthresholdvalues) UweFröhlich - Collaboration Meeting - 2011/11/14

  14. New 320 MHz code: Testing • Currently: 320 MHz internalarbitrarypatterngenerator • 32 bitstimestamp (ensuresuniquepatterns) • 6 bitschannelidentifier • 218 bitspatterndata Successfullytested • Later: externalpatterngeneratorboard UweFröhlich - Collaboration Meeting - 2011/11/14

  15. Synchronisation with SD array Local Station (UB + FE) • Idea: • record all T1 events • request T3 eventsby GPS timestamp • Problem: UB generates T1 GPS timestamp (GTS) toolate • Solution: • Muondata will berecordedwithlocaltimestamp (LTS) • Whenrequesting T3 data (CDAS), the GTS will betranslatedintothecorresponding LTS Auxiliary Board I LTS + GTS T1 + LTS Auxiliary Board II CDAS GTS SBC LTS Muon Counter Underground Electronics T3 data UweFröhlich - Collaboration Meeting - 2011/11/14

  16. Synchronisation with SD array Local Station (UB + FE) • Status: Extractionof T1 trigger + LTS Recording of T1 data Request databy LTS Reaction on CDAS requests Translation GTS LTS Shouldbetestedwiththe SD station „Jamie“ atthemainbuildingwithinthenextweeks Auxiliary Board I LTS + GTS T1 + LTS Auxiliary Board II CDAS GTS SBC LTS Muon Counter Underground Electronics T3 data UweFröhlich - Collaboration Meeting - 2011/11/14

  17. Electronics production • 27 electronicssetupshavebeensuccessfullybuildandtested • Single boardtests after production • Fullsystemtests after assembling • All boardspassedthetestsorcouldberepaired • Currently 2 setups / week • Resources couldbeat least doubled UweFröhlich - Collaboration Meeting - 2011/11/14

  18. 1 spe XT + 1 muon! Simulations Proton Shower 1017.50eV, 30o 1 spe XT + 2 muons! Electronics and optical features taken into account UweFröhlich - Collaboration Meeting - 2011/11/14

  19. SimulationsData vsSimulations Data (ICRC 2011) Sim. Data Relatively low energy showers may produce high multiplicity events if their impact point falls nearby. UweFröhlich - Collaboration Meeting - 2011/11/14

  20. Reconstruction: MLDF Saturated Ideal geometric reconstruction assumed (no SD rec.) Silent (<3 muons) and saturated (>100 muons) counters properly taken into account MLDF quite satisfactory at 1017.50eV (Proton) UweFröhlich - Collaboration Meeting - 2011/11/14

  21. Summary • New MCUboard prototype in production • 320 MHzcodehasbeenwrittenandiscurrentlytested • T1 triggerwithlocaltimestampimplemented • Test systematthemainbuilding („Jamie“) will allowfortestingthefulltriggersystem • Fullsimulationchainworking • First resultsfromsimulations • Infillfully operational • A lotofactivity • BATATA installationongoing • First triangleofmuoncountersinstalled • Preunitarycell in January 2012 • UC in 2012 • Telecommsfor UC ready • WiFisolutionforthefullarrayunderdevelopment UweFröhlich - Collaboration Meeting - 2011/11/14

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