[daip] more issues with VBCAL
Eric Greisen
egreisen at nrao.edu
Tue Nov 3 13:28:34 EST 2009
Lynn D. Matthews wrote:
> Eric,
>
> I tried the new VBCAL and no more overflows. However, there still seem
> to be a couple of issues.
>
> First, APARM(10) is supposed to control which polarization is scaled.
> Setting this to zero scales only RCP as advertised, but APARM(10)=1
> scales both, not just LCP.
>
> The second thing is that it is scaling the amplitudes by BPARM(1)**2,
> which is not my understanding of what it is supposed to do. In the input
> listing it implies that it should scale by "Factor =SQRT(fac1*fac2)",
> but the help file states "If APARM(9) is less than zero, all antennas of
> all arrays are multiplied by BPARM(1)".
>
> Lynn
Quite right - I did mess up even more than intended. Fixed this mode
and added a correction for weights which you can suppress. Try again
tomorrow
Sorry
Eric
More information about the Daip
mailing list