Date: 28 October 2003
Time: 4:00 pm EDT (2:00 pm Socorro, 2:00 pm Tucson)
Phone: (434)296-7082 (CV SoundStation Premier Conference phone 3rd
floor). No Video planned...
Past minutes, etc on MMA
Imaging and Calibration Division Page
Notes from the meeting are in this font!
- Action items from varioussources:
Last Meeting: SSB Requirements should be put into Science Requirements.
Comments due on ACA
Distribute username and password for the DRSP website.
Mini-ALMA Week Action Items and Decisions: Science IPT: Complete comments on Antenna Technical specs and corresponding ICDs. All IPTs 15-10-03 See Over-the-top recommendations. Document to implement five load amplitude calibration device described in ALMA Memo #461 must be written SCIE, FEND 26-9-03 See proposed Amplitude Calibration Measurements and CRE.
Highlight remaining controversial issues in FE Req
documents submitted to CCB. All IPTs 30-9-03 HAW commented.
Science Requirement document should be ready to be submitted to the CCB. Wootten 20-10-03 Last moment for comments!
All IPT leaders or designees to provide to Emerson description of system operational needs by 10 October 2003. Science IPT Report. Summary.
Correlator CDR: "The committee recommends that the Science IPT clarify the conditions under which the spectral dynamic range of 40 dB be required. Since the ALMA correlator is a 2-bit correaltor, the dynamic range can only be achieved if the narrowband power into the receiver is less than a certain small fraction of the total receiver power. The Science IPT must quantify what the maximum total narrowband power is into the receivers, as fraction of the total receiver noise power."
science specifications indicating what the maximum sensitivity loss of
the correlator must be should be further clarified. Nominally,
with the European tunable filter card and a 2-bit correlator, the
sensitivity loss in the correlator is 1-(0.88 x 0.985)=.133."
Some simulations may be needed to determine imaging artifacts possibly caused by phase and amplitude errors in overlap region of
tunable filter option for correlator.
AMAC: Simulate imaging using two prototype antennas as examples, if array were to consist of half of one type and half of the other.
October 13-14, 2003 : The Search for