[daip] SPCAL question and problem

[Eric Greisen]

Hanno Spreeuw wrote:
> Hello,
> 
> I have a question about SPCAL and a small problem. How are the frequency 
> dependent D-terms computed? Are the solutions expressed as coefficients 
> of a polynomial?
> LPCAL seems to export more numbers to the AN table than SPCAL does.

Despite what SPCAL says in the help file, it sums channels BCHAN to 
ECHAN into the fitting arrays - so each RR/LL/RL/LR set is handled 
separately by channel but the fit is then for some average.  There is no 
place in the AN table for more than 2 parameters/IF/polarization/antenna.

Eric Greisen