See http://www.arrl.org/news/stories/2002/04/02/1/?nc=1
for the whole story. Part of it is the following:
While P5/4L4FN has been doing some RTTY operation in addition to
SSB, those contacts are not yet acceptable for DXCC credit.
So much for "frill modes." :.) (at least at the moment)
73 Barry--
Barry Kutner, W2UP Internet: w2up@mindspring.com
Newtown, PA Frankford Radio Club