Low Frequency Observing

Scope

Description: The low frequency observing mode commissioning covers the testing, development and documentation of observing strategies and post-processing guidelines for low frequency observations.

Group

• Leader: Momjian/Perley
• Primary Participants: Bhatnagar, Goss, Krauss, Owen, Sjouwerman, Venkata
• RSRO Participants: Chomiuk, Lazio, van Gorkom

Low Frequency Observing Documentation

• http://evlaguides.nrao.edu/index.php?title=Category:LowFrequency

Coarse Commissioning Plan & Status

Note: All high frequency tickets in JIRA may be found by doing a quick search on 'Low Frequency'; you can also go under 'Issues'->'Search for issues', select on Project: EVLA Commissioning and Science Verification and Components: Low Frequency.

ECSV task	ECSV subtask	Target	Responsible	Quarter	Status
135	-	Low Frequency Observing documents (Parent)	Momjian	2011-Q1
-	136	Low frequency observing commissioning plan	Momjian	2011-Q1
-	137	Low frequency observer recommendations documentation	Momjian	2011-Q4
-	138	Low frequency calibration service observations proposal	Momjian	2011-Q3
38	-	Observing Methodology (Parent)	Momjian	2011-Q4
-	139	Test OPT setup for low frequency observing strategies	Sjouwerman	2011-Q4
-	140	Low frequency scheduling heuristics (contact with Scheduling group): solar activity, ionosphere, RFI	Owen	2011-Q4
-	141	Test Exposure Calculator results compared to realized sensitivities to monitor and update	Momjian	2011-Q3
142	-	Low Frequency Calibration (Parent)	Momjian	2011-Q4
-	41	Low frequency polarimetry (provide information to Polarization group)	Momjian	2011-Q4
-	40	Low Frequency flux and bandpass calibration (contact with flux calibrator models group)	Mioduszewski	2011-Q4
-	143	Low Frequency complex gain calibration (contact with calibrator survey group)	2012-Q1	2012-Q1
-	144	Low frequency gain curve refinement	Perley	2011-Q4
50	-	Low Frequency Continuum Imaging (Parent)	Bhatnagar
-	20	Narrow Field Wide-Band Imaging of Confused Fields	Owen
-	21	Narrow Field Wide-Band Imaging of Unconfused Fields	Owen
-	134	Wide Field Wide-Band Imaging	Bhatnagar
xx	-	Low Frequency Pipeline (Parent)	Sjouwerman	2011-Q4
-	xx	Calibration Pipeline heuristics	Sjouwerman	2011-Q4
-	39	Low frequency flagging and RFI (contact with flagging group)	Venkata	2011-Q4
xx	-	Low Frequency Observations Monitoring (Parent)	Perley	2011-Q4
-	111	SEFD monitoring (Stress Tests)	Momjian	2011-Q4

Solar Activity Monitoring

Solar activity and general space weather can be reviewed at the NOAA site: http://www.swpc.noaa.gov/today.html

The site provides solar activity forecasts and geophysical (geomagnetic field) activity forecasts along with GOES X-ray flux values.

Ionosphere Monitoring

Global Ionospheric TEC maps are available via: http://iono.jpl.nasa.gov/latest_rti_global.html

-- JosephMcMullin - 2010-12-15