[Elecraft] 40 M interference

[ron]

Ralph Tyrrell wrote:
> 7040 KHz is one place for me to find new states or rag
> chews. Have noticed racket there sometimes. Tuned
> across the band and found this racket about every
> 10.66 KHz across all I can tune of 40 M (6998 - 7084)
> with my K1. 7040.6 KHz is the center of one signal.
> Seems to be about 1 KHz wide. Not there all the time.
> I do not hear it on 30 M.
> Does anyone know where this comes from and what it
> might be for and how often it is on? 
> I always turn of my computer when using the radio to
> keep local noise down.
>
>   
 

what you are hearing my friend, could be Rtty Stations. Their calling 
frequency is at 7040, and has been for many years.
Then I could be wrong ...

Ron, wb1hga