Under ARRL test materials, they refer to DX as outside the 48 
contiguous U.S.  My idea of DX is south over the U.S.-Mexican border, 
beyond the East and West coasts, maybe even over the North Pole.--Matt.

At 06:06 PM 4/24/2015, David W Wood wrote:
>Matthew
>
>Having read the answers to date, they are quite correct as guidelines.
>However, DX can be found on any part of any segment of the band, usually
>with modes in the dedicated portions by the ITU.
>However, on top band, it is frowned on to use the dedicated section by
>amateurs.
>
>You also raise a point as to the definition of DX.
>This used strictly to mean long distance.
>However, in our times it has come to mean rare entities.  There are some
>entities which aren't often activated, the most wanted being the Democratic
>People's Republic of Korea.  One which was mentioned on this list a few
>weeks ago was K1N (Navassa Island) which is also rarely activated .
>For me, I am still after GD (Isle of Man) on 21 mHz.  although this is only
>400 miles away from my QTH, I still need it on fifteen metres, so to me it
>is DX!
>
>73
>
>David W Wood
>
>-----Original Message-----
>From: For blind ham radio operators [mailto:[log in to unmask]]
>On Behalf Of Matthew Chao
>Sent: Friday, April 24, 2015 6:48 PM
>To: [log in to unmask]
>Subject: Some Questions About Dx-ing
>
>Hi, Folks.  Does anyone know which portions of the major HF bands are
>set aside for DX?  Would like to get out there and make some DX
>contacts.  Thanks.--Matt, N1IBB.