Is it possible to get an extra-large (43x80 or 63x80) display in a 5250 emulator?

Hi all,

I am using the excellent open-source tn5250 emulator, sometimes on
Windows, sometimes on Linux. I work in PDM and SDA mostly.

I would like to get a taller display than 132 columns by 27 rows. I
understand that most hosts that 3270 terminals connect to can usually
do 43x80 and sometimes up to 63x160. But when I enable the 43x80 option
in a 3270 emulator I have hanging around then connect to the AS/400, I
get just a 24x80 screen with a big empty space at the bottom.

I do not want to install WDSC as it's a little too bloated for my taste.

Is there a way to get a taller screen size?

Failing that, is there an IDE less bloated than WDSC that can edit CL
and DDS and has a free demo version available?

Thanks in advance,
Jason Spiro
Toronto, Canada