Be careful. It could be grow lights from an illegal pot operation.
> On Nov 10, 2014, at 6:41 PM, Goldtr8 (KD8NNU) <[email protected]> wrote: > > Well I made some progress tonight on the way home. > > I used my mobile rig with hamsticks to listen while driving on the way home > from work. I tuned to 3.902 which is a very strong frequency that gets > trashed at the home QTH and used a 40m hamstick as the receiving antenna. The > idea for this setup was to be able to attenuate the signal as I got closer to > it. > > Anyway while driving home with the pre-amp on the IC-7000 when suddenly the > noise was present and strong less than 1 mile from my house. I drove > around until it got real loud and turned the pre-amp off and it went away. I > then drove around with the pre-amp on until it was at about an s7 on the > meter then turned the preamp off as I was close and then drove around until > there was about 1 s-unit showing on the meter. I could hear the noise with > the pre-amp off when close and the s meter small reading confirmed that I was > real close. > > The noise is clearly in one subdivision close to my house but I can not tell > what is the source at this time. I also know the noise does not show up on > the AM radio in the car although bad power poles do show up. > > So to me major progress has been made, now I need to identify where in the > subdivision or maybe what house this trash is coming from. Next short term > step is to listen to the links several folks have sent to me to see if any of > them match what I am hearing so I know what I am looking for. > > I will keep the list updated as I learn more about the problem. > > Cheers and thanks for the tips so far. > > Don > > ~73 > Don > KD8NNU > 2014 3905CC Top Gun :-) > -.- -.. ---.. -. -. ..- > -----Original Message----- From: Jim Brown > Sent: Saturday, November 08, 2014 3:22 PM > To: [email protected] > Subject: Re: Topband: New RF interference killing RX at my QTH > > On Sat,11/8/2014 9:33 AM, Goldtr8 (KD8NNU) wrote: >> I need to make a noise finding antenna that I can take in my vehicle to look >> for a source of noise on 160m and 80m bands. > > Several useful tools. 1) Tecsun PL380 -- a nice AM/FM/Shortwave > portable, DSP IF, has built-in loopstick antenna. About $45. 2) A ham > talkie that has wideband RX. My Kenwood TH-F6A does that and has a > built-in loopstick antenna. > > 73, Jim K9YC > _________________ > Topband Reflector Archives - http://www.contesting.com/_topband > > _________________ > Topband Reflector Archives - http://www.contesting.com/_topband > _________________ Topband Reflector Archives - http://www.contesting.com/_topband
