Community discussions

MUM Europe 2020
 
User avatar
andressis2k
Member Candidate
Member Candidate
Topic Author
Posts: 104
Joined: Mon Apr 18, 2011 12:47 am

Heterodyning in wireless networks?

Mon Oct 06, 2014 11:29 pm

Hello. I've installed 3 sector antennas in a tower with some FM stations (4 x 2kw each)

If I scan from one of the RB912, I can see the other two... and also a new "phantom" signal with 100MHz less

Considering that FM has a frequency about 100MHz... can be heterodyning?

I've never seen it in wireless networks... but what else can it be?

Image

Regards
 
User avatar
realtime
newbie
Posts: 46
Joined: Mon Oct 15, 2012 12:50 am

Re: Heterodyning in wireless networks?

Wed Oct 08, 2014 10:11 pm

The problem in a radio magnetic field.
I also encountered this problem.
Change the location of your antennas or FM antennas :)
 
User avatar
tgrand
Long time Member
Long time Member
Posts: 671
Joined: Mon Aug 21, 2006 2:57 am
Location: Winnipeg, Manitoba, Canada

Re: Heterodyning in wireless networks?

Fri Oct 17, 2014 9:42 pm

Using 10MHz wide channels aren't you?
If you were using 5MHz wide channels you would see the "ghosts" on both sides of your channel.
You can just ignore it...

EDIT:
No sorry.. I see that you are using 20 wide.
Have never seen this on 20MHz wide channels.

Who is online

Users browsing this forum: Bing [Bot] and 27 guests