posted on Mar, 10 2006 @ 01:46 AM
I go with jtma508 on this one. But without knowing more specifics, I can't really say I know that for sure.
What time of day was it? The reason I ask this, is because at night due to decreasing ionization of the atmosphere, signals travel farther due to
It may well be that you are picking up a station on 910 khz as well, producing hetrodynes?? just a guess.
I really doubt if there are any 'numbers sations' in the A. M. medium wave band.
Also, are you using your computer, or other electronics in close proximity to the reciever?
Could also be 'local interference', meaning VERY close to the reciever, and not any type of broadcast or communications.
edit = disregard my question 'what time was it?' I forgot you mentioned it...
[edit on 3/10/2006 by larry994]