September 13th 08, 01:01 PM
posted to rec.audio.tech,rec.radio.amateur.antenna
|
|
external usenet poster
|
|
First recorded activity by RadioBanter: Sep 2008
Posts: 1
|
|
Any audible signals on a 40 Hz AM radio?
Dave wrote:
how do you explain negative frequencies??
are they going back in time?
No.
taking information to before it was sent?
No.
or do they appear before the signal starts?
No.
A phase inversion is all there is to it.
|