[CQ-Contest] Is RTTY Only a Contest Mode?

[N4ZR]

I run an RBN node near Baltimore, MD spotting both CW and RTTY 160-12M.  
During any normal weekend day, I'll spot maybe 1 RTTY station an hour.  
A big contest goes on the air (like this weekend) , and suddenly I'm 
spotting 300-400 RTTY signals per hour.  I guess my question is, where 
do they go the rest of the time?

-- 
73, Pete N4ZR
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