Re: [IRCA] QRM from Lights

2014-05-20 Thread T. Hills
Phil, I've been using CFLs since they first came out and overall Philips is the best bang for the buck I've found as far as low RFI and longevity. I have one that's 10+ years old and used daily and it's just now bebinning to dim a bit. They do tend to get noisier as they age but even the

Re: [IRCA] QRM from Lights

2014-05-19 Thread Powell E. Way III via IRCA
---BeginMessage--- The PS for my MacBook Pro makes noise on AM all over the house, and FM here in the room where the computer is.  Powell   ---End Message--- ___ IRCA mailing list IRCA@hard-core-dx.com

Re: [IRCA] QRM from Lights

2014-05-19 Thread Chuck Hutton
variability should be almost a non-factor, in my opinion. Chuck From: can...@gmail.com Date: Sun, 18 May 2014 19:47:19 + To: barry.davie...@btopenworld.com; irca@hard-core-dx.com Subject: Re: [IRCA] QRM from Lights Fellas, I think a problem here is that you cannot assume that all power

Re: [IRCA] QRM from Lights

2014-05-19 Thread Phil Bytheway via IRCA
---BeginMessage--- Our neighbor decided to install a dimmer in their hallway so they could have a dim night light. Turns out the noise caused by that dimmer made it's way into our house via the common transformer on the pole between our houses. I talked to someone at City Light and they told me

[IRCA] QRM from Lights

2014-05-19 Thread Tim Kridel
I'm using the Philips 100 W equivalent soft white (2700K) A21 dimmable LED. No noise on MW or FM. Date: Mon, 19 May 2014 14:07:19 -0700 (PDT) From: Phil Bytheway phil_te...@yahoo.com To: Mailing list for the International Radio Club of America irca@hard-core-dx.com Subject: Re: [IRCA] QRM from

[IRCA] QRM from Lights

2014-05-18 Thread Tim Kridel
to consider or avoid. -- Message: 5 Date: Sat, 17 May 2014 19:32:37 -0700 (PDT) From: Powell E. Way III w4...@yahoo.com To: Mailing list for the International Radio Club of America irca@hard-core-dx.com Subject: Re: [IRCA] QRM from Lights Message-ID

Re: [IRCA] QRM from Lights

2014-05-18 Thread Barry Davies
irca@hard-core-dx.com Sent: Sunday, 18 May 2014, 15:28 Subject: [IRCA] QRM from Lights Sure, that¹s one type. I wonder if it¹s worth building a database of CFL, LED and halogen products that are known to be ‹ or not be ‹ sources of RFI. (There, I used a term we all probably can agree on.) So when

Re: [IRCA] QRM from Lights

2014-05-18 Thread Walter Salmaniw
. 54.9795N Lon. 02.8745W PERSEUS, 3.7m x 10m Flag + FLG100 amp+Mains Filter From: Tim Kridel t...@timkridel.com To: irca@hard-core-dx.com irca@hard-core-dx.com Sent: Sunday, 18 May 2014, 15:28 Subject: [IRCA] QRM from Lights Sure, that¹s one type

Re: [IRCA] QRM from Lights

2014-05-18 Thread Steve
I wonder if it¹s worth building a database of CFL, LED and halogen products that are known to be ‹ or not be ‹ sources of RFI. (There, I used a term we all probably can agree on.) So when DXers need to replace bulbs, they can check the database to see which products to consider or avoid. On

Re: [IRCA] QRM from Lights

2014-05-18 Thread Barry Davies
list for the International Radio Club of America irca@hard-core-dx.com Sent: Sunday, 18 May 2014, 19:47 Subject: Re: [IRCA] QRM from Lights I wonder if it¹s worth building a database of CFL, LED and halogen products that are known to be ‹ or not be ‹ sources of RFI. (There, I used a term we all

Re: [IRCA] QRM from Lights

2014-05-18 Thread Guy Atkins
, look for dimmers sold as studio quality. 73, Guy Atkins Puyallup, WA -- Forwarded message -- From: Steve ve...@shaw.ca To: Mailing list for the International Radio Club of America irca@hard-core-dx.com Cc: Date: Sun, 18 May 2014 12:47:25 -0700 Subject: Re: [IRCA] QRM

Re: [IRCA] QRM from Lights

2014-05-18 Thread Steve
quality. 73, Guy Atkins Puyallup, WA -- Forwarded message -- From: Steve ve...@shaw.ca To: Mailing list for the International Radio Club of America irca@hard-core-dx.com Cc: Date: Sun, 18 May 2014 12:47:25 -0700 Subject: Re: [IRCA] QRM from Lights On that notecan

Re: [IRCA] QRM from Lights

2014-05-17 Thread Rick Dau
-dx.com Date: Sat, 17 May 2014 04:00:36 + Subject: [IRCA] QRM from Lights I thought the M in QRM stood for ³manmade² and the N in QRN stood for ³natural. -- Message: 3 Date: Fri, 16 May 2014 11:17:25 -0700 (PDT) From: Powell E. Way III w4...@yahoo.com

Re: [IRCA] QRM from Lights

2014-05-17 Thread neilkaz
To: Mailing list for the International Radio Club of America irca@hard-core-dx.com Subject: Re: [IRCA] QRM from Lights Tim is correct. QRM = manmade interference (i.e., dimmer switches, halogen bulbs, power lines, etc.), QRN = natural interference (i.e., lightning strikes). 73, Rick Dau on the road

Re: [IRCA] QRM from Lights

2014-05-17 Thread Steve
Really ?!! I guess I learned something today. In my 50 years in the hobby I always thought the QRN meant any kinda interference from noise and QRM was interference from other stations. 73 KAZ YOU have it right Kaz ;-) Steve / VE7SL WEB - The VE7SL Radio Notebook:

Re: [IRCA] QRM from Lights

2014-05-17 Thread Larry R Fravel
Actually does it matter if it is M or N. It is all noise and it interferes with reception. Larry K8YYY Once upon a time it was earlier - Shinnston, Northern Territories Harrison County, West Virginia ___ IRCA mailing list

Re: [IRCA] QRM from Lights

2014-05-17 Thread Forrest Skaine
Interesting thread. I dont care about the small stuff. However I was taught back in the late 70's that QRM was another station interfering and QRN was lightning, lights or anything that makes a buzz. Todd Skaine Woodbury, MN 2010 or car radio On May 17, 2014 12:01 PM, Larry R Fravel

Re: [IRCA] QRM from Lights

2014-05-17 Thread Barry Davies
for the International Radio Club of America irca@hard-core-dx.com Sent: Saturday, 17 May 2014, 17:30 Subject: Re: [IRCA] QRM from Lights Interesting thread. I dont care about the small stuff. However I was taught back in the late 70's that QRM was another station interfering and QRN was lightning, lights

Re: [IRCA] QRM from Lights

2014-05-17 Thread Powell E. Way III via IRCA
---BeginMessage--- Man made as in radio stations transmitting.   :) Powell   From: Tim Kridel t...@timkridel.com To: irca@hard-core-dx.com irca@hard-core-dx.com Sent: Saturday, May 17, 2014 12:00 AM Subject: [IRCA] QRM from Lights I thought

[IRCA] QRM from Lights

2014-05-16 Thread Tim Kridel
I thought the M in QRM stood for ³manmade² and the N in QRN stood for ³natural. -- Message: 3 Date: Fri, 16 May 2014 11:17:25 -0700 (PDT) From: Powell E. Way III w4...@yahoo.com To: Mailing list for the International Radio Club of America irca@hard-core-dx.com

[IRCA] QRM from lights

2014-05-15 Thread Saul Chernos
Just had some halogen track lights installed at the Burnt River DX site. They're billed as LED compatible, for what that's worth, and it's also labeled as a 2-wire track system. System is on a dimmer that never previously caused problems when it was either off or set to full brightness. But

Re: [IRCA] QRM from lights

2014-05-15 Thread Steve
It's not the lights but rather the low voltage switching power supply converting 120VAc to 12V DC. I had the same thing next door but they let me swap them out for 120V halogens rather than the 12V ones. There really is not much you can do with these supplies to make them quiet as the signals

Re: [IRCA] QRM from lights

2014-05-15 Thread Mike Hawkins
Halogen lamps are very noisy. I stayed with a relative several years ago, and from the opposite end of a huge house, I knew immediately when she turned on her reading light. My radio reception was destroyed immediately. Halogen or AM DX.pick one. Mike Hawkins On Thu, May 15, 2014 at

Re: [IRCA] QRM from lights

2014-05-15 Thread Steve
I have no noise from the 120VAC ones...just the low voltage switching power supplied ones. Halogen lamps are very noisy. I stayed with a relative several years ago, and from the opposite end of a huge house, I knew immediately when she turned on her reading light. My radio reception was

[IRCA] QRM from Lights

2014-05-15 Thread Tim Kridel
I just installed my first LED bulb, a Philips 100 W equivalent. So far, no noise. I'd be interested in hearing from anyone who's tried other brands, particularly Cree. I also have several 100 W equivalent halogens. Fortunately they're not producing any noise, either, but that could be because