[RFI] RFI to netgear router

K8RI k8ri at rogerhalstead.com
Sat Aug 13 23:04:09 PDT 2011

On 8/6/2011 2:24 AM, Brian Reid wrote:
> Thanks to everyone for the responses. I'll try to answer the questions asked
> of me and suggestions made all in one.. As far as the location of the router
> versus the antenna/feedline.... I live in a 2 story brick rowhome. The shack
> is in the basement, with feedline running a short distance to the outside,
> and then to the roof. There is a choke balun in place from when we installed
> the antenna, and it was made using a folgers coffee can.

Choke balun using a coffee can? Do you mean you wound a solenoid coil on 
the can?  These usually are not verry effective.
Check out www.audiosystemsgroup.com/RFI-Ham.pdf and look over the baluns 
used there.  They are very effective. I use them on virtually all of my 
antennas except 2-meters and 440.


Roger (K8RI)

>   There is ground
> wire running from the antenna down to a copper ground rod in the back yard.
> This ground rod in turn has a piece of copper wire that runs off of it to
> the radio's mounting bracket, wrapped around one of the mounting screws. I
> do not own a swr meter, but when the antenna was installed, we used one, and
> the highest swr was 1:2 at 144... flat the rest of the band.  I typically do
> not require high power except when I am trying to hit repeaters 70-80 miles
> away or more when conditions are good. I am thinking of trying the ferrite
> chokes on the wires on the router. I normally use the radio after dark when
> everyone else in the house is asleep, so the internet getting interrupted is
> not really a big deal. Still a pain in the ass nevertheless.

More information about the RFI mailing list