Changes between Version 1 and Version 2 of Instructions

Timestamp:

10/30/09 10:06:22 (15 years ago)

Author:

NaomiMcClureGriffiths

Comment:

Updates to polcalr and and psolve calls. NMc-G

Instructions

@@ -26 +26 @@
 # -rw-r--r--   1 mcc381  atculg      646 Feb  2 11:06 freqtab.dat
 }}}
+The original rpfits file is maintained so you will have two copies of the data.  
 
  1. Perform the bandpass calibration
@@ -35 +36 @@
  1. Load the rpfits file
 {{{
-pload 3c138.rpf
+pload 2006-11-20_1401_3c138_Cal_DEC.rpf
 }}}
  1. Copy the bandpass tables
 {{{
-gcopy 3c138 1934
+gcopy 2006-11-20_1401_3c138_Cal_DEC 1934
 }}}
  1. Extract the phase vs parallactic angle information from scans of the polarised calibrator
 {{{
-polcalr 3c138
+polcalr 2006-11-20_1401_3c138_Cal_DEC
 }}}
  1. Determine polarisation parameters (leakages and phase difference between the signals from the two polarization channels) of the system from the phase data
 {{{
-psolve 3c138
+psolve 2006-11-20_1401_3c138_Cal_DEC 3c138 /xs
 }}}
 To get a consistent pair of output files, the procedure needs to be executed twice. An example follows.
 
 {{{
-   polcalr 3c138
-   psolve 3c138 /xs
-   polcalr 3c138
-   psolve 3c138 /xs
+   polcalr 2006-11-20_1401_3c138_Cal_DEC 3c138
+   psolve 2006-11-20_1401_3c138_Cal_DEC 3c138 3c138 /xs
+   polcalr 2006-11-20_1401_3c138_Cal_DEC 3c138
+   psolve 2006-11-20_1401_3c138_Cal_DEC 3c138 3c138 /xs
 
 }}}