Another update: Daytime noise is pretty much sorted out, especially when trying to decode WX sats on 137 mhz After my initial tests through the day time hours, is all looking sweet, night time however is not as improved, although it is a an improvement, something is better than nothing after all, 40m is still picking up a lot of noise, quite a nasty buzzing sound when on am to monitor it, it goes across all the bands, it makes SSB difficult, We may have to pack up using it at night at this location, this week I will look further into it to see if it is the new system that is fitted, I can still see traces of the old system from the next building close to us. I do not think the housing will want to change what they have fitted, in case it is those new units, which now means I have to buy a set and send off to Dr David Lauder for testing to make sure they meet the EMC regs, they could be just on the limit, but combine 7 of them in close proximity, plus what they have fitted to the other buildings as well as the old system still in place on some of them and you have another headache to deal with.. So although it's a good improvement, daytime is lovely, more works still needs to be done for night time, do I even bother.. Anyway's, you can lead the horse to water & make it drink, what comes out the back of the horse is another matter.. Regards 73 Kev de 2E0WCK..