Re: Topband: New noise 160

2016-10-16 Thread Greg Chartrand via Topband
So I had this same noise in our new remodeled kitchen and it was really bad. I found the problem was not the led's but the 12 vac switching power supply feeding them. I purchased 12vac transformers, put them on a plastic box and wired them in place of the switching supply and all the noise is go

Re: Topband: New Noise - 160 Meters

2016-10-14 Thread David Cutter
Petr That's very interesting. I have heard that long led strips eg in the kitchen are powered from a noisy smpsu: the long cable is the antenna. A linear supply should stop that noise or small ferrite toroids (it's very low current). I have just purchased some from IKEA and will be testing

Re: Topband: New Noise - 160 Meters

2016-10-14 Thread Petr Ourednik
files > > https://www.dropbox.com/sh/3ftcsm50mvr9jmy/AABcDfHjYn-GKvelQhmyJTBia?dl=0 > > > > ----- Original Message - > > > > From: "Joe Galicic" > > To: "PVRC List" , "TopBand List" > > > > Sent: Thursday, October

Re: Topband: New Noise - 160 Meters

2016-10-14 Thread Herbert Schoenbohm
o files https://www.dropbox.com/sh/3ftcsm50mvr9jmy/AABcDfHjYn-GKvelQhmyJTBia?dl=0 - Original Message - From: "Joe Galicic" To: "PVRC List" , "TopBand List" Sent: Thursday, October 13, 2016 1:35:15 PM Subject: Topband: New Noise - 160 Meters Just put up my

Re: Topband: New Noise - 160 Meters

2016-10-13 Thread Joe Galicic
Link to files https://www.dropbox.com/sh/3ftcsm50mvr9jmy/AABcDfHjYn-GKvelQhmyJTBia?dl=0 - Original Message - From: "Joe Galicic" To: "PVRC List" , "TopBand List" Sent: Thursday, October 13, 2016 1:35:15 PM Subject: Topband: New Noise - 160 Meters

Topband: New Noise - 160 Meters

2016-10-13 Thread Joe Galicic
Just put up my 160 antenna and have a new noise source to find. Very loud wide band buzzing that starts in the middle of the AM broadcast band and then abruptly drops to zero at 1870 KHZ. I have attached sound file and panadapter screen shots. It is not coming from my QTH. One night it went off