Posted by Andrew McAfee on
URL: https://www.es-forum.com/Intermodul-harmonics-mixing-signals-at-GSM-base-stations-Aaronia-Spectran-tp1543519p1543520.html

The "woodpecker" is what they called the Russian EMF bombardment of the
Eastern Seaboard in the 60's-70's +
I would imagine that it could be any number of HAARP type signatures in
that realm used to create certain emotional states in the populace.
I can only speculate at this point.
I have heard a number of different repeating sounds at different
frequencies and wouldn't know what they all mean.
I'll leave this to the experts.
Andrew
On Feb 21, 2007, at 6:08 AM, Joris Everaert wrote:

> At RBW 300 and 100 kHz, the sound is clearly with
> small
> hard pulses (around 10 Hz ?, like woodpecker). Can anyone explain
> this ?