(meteorobs) Why do some meteors appear to zig-zag? "wavering" sound

[-----c-HArlie]

Lewis J. Gramer wrote:

>Thanks for a very enlightening follow-up (as usual), Marco.
>
>BTW, MexicoDoug, I also found your post interesting - although it does raise
>questions in my mind at a couple of points. For one, I noticed that the reports
>you cite mention "sounds" heard during the fireballs witnessed: though there
>is good evidence now that simultaneous or "electronphonic" sounds are in fact
>real observable phenomena, I have never heard any potential mechanism for
>these sounds, which would allow a rotating meteoroid to result in "wavering"
>or otherwise changing sound heard simultaneously on the ground... Does anyone
>else have any information on this particular point?
>  
>
A simple experiment could be performed with a tone generator to 
demonstrate this effect.

If the listener moves their position relative to the generator, the tone 
will appear to vary.