[SEDXC] More Comcast signals on 12, 15M

[Bob Mantell]

The 15 signals are not bad on the dipole, but on both verticals I use for 15M s-5+ with the pre-amp on


73 de Bob,
 
 K4ESA EM74qc
 
Bob Mantell
k4esa at yahoo.com
 

--- On Wed, 7/7/10, Michael Almeter <w4mja at yahoo.com> wrote:


From: Michael Almeter <w4mja at yahoo.com>
Subject: Re: [SEDXC] More Comcast signals on 12
To: sedxc at yahoogroups.com
Date: Wednesday, July 7, 2010, 5:43 PM
















Very interesting thread here, 
     We've got Bellsouth phone and internet, but Comcast digital cable here. I'm aware of at least two neighbors in a 400' radius who use Comcast phone and internet, one who's right next door. The antenna that the carrier is loudest on, is about 45' from our Comcast phone and internet using neighbor. My results on these frequencies:
     21.234.75- Carrier, but not moving the S meter, 21.295.75- Carrier, but no S meter activity, 21.417.8- Carrier, but not registering on the S meter, same story for 21.448.5, and the 12M frequencies. 
      After reading Dave and Bob's results, I'm of the opinion that the carriers are probably coming from the phone/internet side of Comcast. Shutting the four digital cable boxes down had no effect on the carriers. 


73,
Mike
W4MJA

--- On Wed, 7/7/10, Bob Mantell <k4esa at yahoo.com> wrote:


From: Bob Mantell <k4esa at yahoo.com>
Subject: Re: [SEDXC] More Comcast signals on 12
To: sedxc at contesting.com, "David Thompson" <thompson at mindspring.com>, sedxc at yahoogroups.com
Date: Wednesday, July 7, 2010, 1:14 PM


  






Dave, I have those also
 
Check 21.448, 21.417, 21.295, and 21.234.5 and see what you find
 


 
73 de Bob,
 
 K4ESA EM74qc
 
Bob Mantell
k4esa at yahoo. com
 

--- On Wed, 7/7/10, David Thompson <thompson at mindspring .com> wrote:


From: David Thompson <thompson at mindspring .com>
Subject: [SEDXC] More Comcast signals on 12
To: sedxc at contesting. com
Date: Wednesday, July 7, 2010, 4:29 PM


Recently Comcast was IDed as the cause of signals over some of the 10 meter 
band.  They are very weak here and listening to them in AM mode they are 
unmodulated carriers.

I have a more serious problem on 12.  There are two signals with some sort 
of modulation on 12
that sounds like something running (not unmodulated) .

I find them on 24.898.5  and 24.960.5.  The signals vary from S5 to S7 so 
could block reception of siganls on those frequencies.  I turned off all 
PC's and TV's and there are still there.

Anyone else have this problem?

I live in Peachtree Corners/Norcross just inside Gwinnett County off GA 141 
about 1/2 mile from the river.

Dave K4JRB 


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