(meteorobs) Possible alternate meteor monitoring frequencies

[kramer at sria.com]

Quoting Paul Goelz <pgoelz at comcast.net>:

> Second, I am a ham myself and know the difference between signals
> modulated for the purpose of transmitting information and dead
> carriers.  These carries are un-modulated.  They do show airplane
> tracks but so far, they do NOT show meteors.  I am trying to deduce
> the reason they do not show meteors.

For the benefit of a beginner such as myself, could you please  
elaborate on how to recognize airplane tracks?