I still contend that IBM and others have no real RF engineers working for them. None of them seem to understand radio-frequency interference or near-channel effects on things such as noise floor.
We studied all of that when I was in college in 1974 studying RF engineering. It's not new data, just neglected. And of course means extra cost to limit the RF noise. 73, Zack W9SZ On 12/30/08, DAVE WHITE <mausop...@btinternet.com> wrote: > > Hi all > > On the QRM front, I've noticed a huge increase in RF noise from items like > Christmas lights this year. Someone a couple of street away put some > twinkling LED lights in his garden, purchased from Tesco (a large > supermarket chain here in the UK). These fill 160 and 80m with a rasping > noise over S9 and fill 20m with the same s9plus noise beaming in that > direction. Clearly the wire to the lamps works like an antenna, > transmitting diode hash and rubbish from the switched mode supply. Needless > to say, they're cheap Chinese trash from the Ping Pong Poo Electrics Company > (or whoever). > > Electrical gear that is sold in the EU is supposed to be tested and CE > marked as compliant with standards, but enforcement of this is > non-existent. Even big companies like BT (British Temecom) falsely and > fraudulently stamp "CE" on their home networking devices which are > staggeringly non-compliant with RFI standards. > > Anyway, this next bit is hilarious. I got this reply to my message > laughing at IBM, presumably from someone on the DX-CHAT group. > > It's anonymous and comes from a non-existent email address. I wonder if > this is the mindset of the spineless little people who cause deliberate and > anonymous QRM to dxpeditions: > > QUOTE > From: > "tufts68...@mypacks.net" <tufts68...@mypacks.net> > > <http://us.lrd.yahoo.com/_ylt=AsPh9P5rGh.45Dt3zuGjyFLDAL4X/SIG=1u9lqkca4/**http%3A//address.mail.yahoo.com/yab%3Fv=YM%26A=m%26simp=1%26e=tufts68116%2540mypacks.net%26fn=tufts68116%2540mypacks.net%26.done=http%253A%252F%252Fuk.mc863.mail.yahoo.com%252Fmc%252FshowMessage%253Ffid%253DInbox%2526sort%253Ddate%2526order%253Ddown%2526startMid%253D0%2526.rand%253D992080083%2526da%253D0%2526midIndex%253D6%2526mid%253D1_499_AHS8ktkAAIt%25252BSVmHAQBPag4Eqs4%2526prevMid%253D1_200508_ABS8ktkAAEDWSVm4TwfeETK5iW0%2526nextMid%253D1_200174_AHK8ktkAAF2mSVm4QQ8A6H5zhuc%2526m%253D1_201993_AHG8ktkAAPc%25252FSVniow5uGlodvdM%252C1_201592_AG%25252B8ktkAAT2KSVnTtAQdulrVV38%252C1_201225_AHC8ktkAAAd6SVnHPA1aVWMMeso%252C1_200866_AHG8ktkAAEFySVm4XwCy1G%25252FP1rU%252C1_200508_ABS8ktkAAEDWSVm4TwfeETK5iW0%252C1_499_AHS8ktkAAIt%25252BSVmHAQBPag4Eqs4%252C1_200174_AHK8ktkAAF2mSVm4QQ8A6H5zhuc%252C1_199831_AHW8ktkAAAphSVm4MwxZIgndygY%252C1_199352_ABO8ktkAAM5xSVm4HwGnVCdHbKM%252C1_8%0A33_AHS8ktkAAGtuSVlaZQF7nUIrZ%25252B0%252C1_1190_AHS8ktkAAGwUSVlaWwyRPBdfwH0%252C> > > You arrogant bastard... > > P.S. I've worked in IT for 45 years, and fired dozens of arrogant > a--------- like you. > END-QUOTE > > (bad language deleted by me) > > I just love it when the reptiles come out from under their stones, don't > you? Wouldn't you have thought he'd at least have the courage to put his > name? Now you know who was probably sending a carrier and dits all day over > BS7H..... > > Happy New Year and Good DX to you all! > > OILy > > > --- On *Mon, 29/12/08, DAVE WHITE <mausop...@btinternet.com>* wrote: > > From: DAVE WHITE <mausop...@btinternet.com> > Subject: Re: [DX-CHAT] Dissed by Infoworld? > To: dx-chat@njdxa.org, wn3...@verizon.net > Cc: w1...@arrl.org > Date: Monday, 29 December, 2008, 11:05 PM > > Oh, so "notching" is a new development, eh? Well it probably is if you're > a dullard who works for a bunch of buffoons like IBM! > > Maybe if Ray Blair talked the the ham radio operators (who amazingly still > have clout) he'd find that we amazingly still have more knowledge and > intelligence than monkeys in blue suits like him > > cheers > > Dave G0OIL > > (PS I work in IT. It's always my pleasure to fire IBM consultants off > site. And EDS. And Accenture. And Tata.......) > > --- On *Mon, 29/12/08, Ron Notarius W3WN <wn3...@verizon.net>* wrote: > > From: Ron Notarius W3WN <wn3...@verizon.net> > Subject: [DX-CHAT] Dissed by Infoworld? > To: dx-chat@njdxa.org > Cc: w1...@arrl.org > Date: Monday, 29 December, 2008, 7:59 PM > > Nice little article on Infoworld's site today, about the 10 most > under-reported tech stories of 2008. > > Of interest to us is #6: BPL is Back from the Dead (see > http://www.infoworld.com/article/08/12/29/53FE-tech-underreported-powerline_1.html) > > Of note in the article is this paragraph: > > "And another recent innovation, called notching, lets the chips switch > frequencies when meeting interference. This upgrade should quiet the fears > of ham radio operators (who amazingly enough have still have significant > clout) and others that BPL will cause problems for various radio services, > says Ray Blair, IBM's head of advanced networking. " > > "Who amazingly enough have still have significant clout" ??? > > Never mind the bad English (don't they employ editors anymore? or proof > readers?). I'm not sure if we should take that as an insult or a compliment. > What do you think? > > 73 > ----------------------------------------------------------- > To unsubscribe or subscribe to this list. Please send a message to > > imail...@njdxa.org > > In the message body put either > > unsubscribe dx-chat > > or > > subscribe dx-chat > > This is the DX-CHAT reflector sponsored by the NJDXA http://njdxa.org > ----------------------------------------------------------- > > > ----------------------------------------------------------- > To unsubscribe or subscribe to this list. Please send a message to > > imail...@njdxa.org > > In the message body put either > > unsubscribe dx-chat > > or > > subscribe dx-chat > > This is the DX-CHAT reflector sponsored by the NJDXA http://njdxa.org > ----------------------------------------------------------- > > > ----------------------------------------------------------- > To unsubscribe or subscribe to this list. Please send a message to > > imail...@njdxa.org > > In the message body put either > > unsubscribe dx-chat > > or > > subscribe dx-chat > > This is the DX-CHAT reflector sponsored by the NJDXA http://njdxa.org > ----------------------------------------------------------- ----------------------------------------------------------- To unsubscribe or subscribe to this list. Please send a message to imail...@njdxa.org In the message body put either unsubscribe dx-chat or subscribe dx-chat This is the DX-CHAT reflector sponsored by the NJDXA http://njdxa.org -----------------------------------------------------------
