Talks

• may16: ao users committie meeting: rfi issues at ao (.pptx)
  
• oct 15: corf meeting.. rfi at AO (.pptx)  (try .ppt2003) if .pptx doesn't display in your browser
  
• apr 15: ao users committee meeting RFI at AO (.pptx)  (try .ppt2003) if .pptx doesn't display correctly in your browser).
  
• feb15: nanograv meeting Rfi at AO (.pptx). (try .ppt2003) if .pptx file doesn't display correctly in your browser)
• apr14: ao users meeting (.pptx) (try .ppt (pp2003) if .pptx file doesn't display correctly in your browser)
• oct13: aprpp review committee (.pptx) ( try .ppt 2003 if .pptx file doesn't display correctly in your browser)
  
• apr12: ao users meeting: (.pptx)  (try .ppt (pp2003) if .pptx file doesn't display correctly in your browser)   
  

• platform tilt, pointing model 18
• Gain,tsys,sefd all rcvrs (median value)
• Ruze curves..
• issues:
• Platform,dome weight, losing tension in tiedowns
• tertiary drive system,surveying the optics.
• td, distomats system need to be replaced (out of date).
• Datataking:Status
• jun11: signal processing: reu11
  
• sep10: living with rfi at AO: PRSUG
• 
  
• jul10: Fast delegation meeting (.html)
• antenna performance characteristics
• 
  
• apr10:vc/ausac meeting: telescope, datataking status (.ppt)
• pointing
• gain,tsys,sefd,bmwidth: cb,lb,800
• alfa tsys
• Telescope operational limitations
• dataking: backends, commensal observing,future
  
• dec09: alfa surveys workshop: Cima status, Rfi  (.ppt)
  
• apr09 vc meeting: telescope performance, datataking (pdev) (.ppt)
• pointing
• gain,sefd,Tsys,bmwidt 1.5, 5Ghz
• ruze curves
• Tsys Alfa
• Mock spectrometer. status,usage, todo
  
• feb09: arecibo radio telescope (.ppt) for teachers workshop.
  
• mar08
  
•  Visiting Committee Commissioning the FPGA spectrometers (.ppt).
• AUSAC  Commissioning the FPGA spectrometers (.ppt).
• spectrometer specs
• how it will be used
• What needs to be done.
  
• feb07 vc meeting: Telescope performance (power point presentation).
• Pointing specs, how we point
• pointing errors
• losing distomats, tiedown cables losing tension
• System performance: gain,tsys,sefd,bw, alfaTsys
  
• may06 FAST presentation: focusing and pointing the telescope.
• feb 05  vcmeeting: Telescope performance (power point presentation).
• pointing: how we do it, model
• distomat failures, tiedown failures, pnt errors when tension lost.
• Pre 2004 gain curves, gain curvature follows shimming error.
• Recent hi freq measurements: cb5000,cbh 7200. Plot gain,sefd vs freq.
• Beamwidth vs wavelength shows underillumination of tertiary by some horns.
  
• mar 03  ausac: Archiving spectral line data at arecibo
• mar 03 galfa meeting: rfi at arecibo (and a little extra).

 home_~phil