If this is general knowledge, then delete, if not this comes
from the ARRL bul..
NEW USA RTTY STATION ON AIR
WA9XHN is a unique broadcast facility located in Auburn,
Washington and is authorised by the FCC with the purpose of
determining whether or not there is any interest among the
general public in receiving information via RTTY.
WA9XHN has been established to serve shortwave listeners and
radio amateurs, it's non-commercial and privately funded.
WA9XHN transmits on two frequencies, alternating between 6,994
MHz and 13,972 MHz at 60 words-per-minute using 170 Hz FSK.
The transmission times vary but a weekly schedule for the station
can be found at http://www.rtty.com.