"JIMMIE" wrote
...
On May 8, 4:51 am, Szczepan Białek wrote:
It seems that at long distances should appear the phenomenon of frequency
doubling.
See:http://www.rp-photonics.com/frequency_doubling.html
Is such?
S*
Your reference seems to explain what you are asking very well.
Distance is not mentioned as a factor.
I have found the next:
http://books.google.pl/books?id=QSke...P RA1-PA53,M1
There on the page 53 you can find that the medium-wave were disturbed by the
long-vave (halve-way between).
S*
JImmie