> I have often noticed that I can read a signal better on the tiny
> speaker in the lid of my IC-706 Mk1 than I can when I put on
> headphones. In fact I use phones only to exclude external noise,
> not to improve readability.

This is especially true during HF contests when the oprator gets tired at
the end of the competition (you know, when those headphones start to
irritate your ears...).

It's sometimes easier to put the phones down on the table, wide open, and
to listen with the ambient noise around.

73, Mark, F6JSZ

Mike, G3XDV (IO91VT)
http://www.dennison.demon.co.uk/activity.htm