dual-frequency gps at mroaskap.org/possum/wiki/uploads/meeting… · [01 rockland mt isa jervois...
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Dual-frequency GPS at MRO
• Collaboration with GA• On track but running slow• Site at MRO (almost) selected• Technical solution for RFI suppression
(RFoF)
JR 9/5/2012
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Australian Regional Global Navigation Satellite System Network
ARGN
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Monument requires a fair
bit of excavation and
concrete
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X marks the spot
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Installation at MRO
• Monument located within ~tens of metres of central building
• Will use RF-over-fibre to get through the RFI shielding
• Aiming to get this done in 2012
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SST requirement
• What are the SST requirements?
• Do coorections need to be included in the ASKAP data pipeline?
• How near to real-time are TEC estimates needed?
Probably important to understand these better at some stage.
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Access to GPS data
• We would have unfettered access to raw data from MRO station but this may not be useful without calibration
• Proprietary s/w (‘Bernese’) ~$15k/licence
• IPS already doing this. LUNASKA project has been talking to them re: access to real-time calibrated data from ARGN network. Status?
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IGS/GNSS Network
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Current options
• IGS network archive & maps of VTEC available ~days in retard (see map of station locations)
• Australian IPS “FoF2” data from ionosondes available ~1 hour in retard.
• IPS GPS data not yet readily available, but ‘coming soon’?
• Other options being explored to get near-real time access to IPS GPS data