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Re: Computer RFI problems-FARMERIK
It looks like the smaller mixture numbers are better for lower frequencies, so I had that wrong in my first post.
My focus is the AC house wiring, all circuits seem to be loaded with RFI. If I put a
It looks like the smaller mixture numbers are better for lower frequencies, so I had that wrong in my first post.
My focus is the AC house wiring, all circuits seem to be loaded with RFI. If I put a
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By
Rik
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#13171
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Re: Computer RFI problems-FARMERIK
Peter,
I agree that the presentation you linkedto is one of the best out there.
If you remember one thing it is that thesuppression is proportional to the square of the number of turns. The
Peter,
I agree that the presentation you linkedto is one of the best out there.
If you remember one thing it is that thesuppression is proportional to the square of the number of turns. The
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By
Mike Mayer <mwmayer@...>
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#13170
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Re: Computer RFI problems-FARMERIK
RFI is everywhere! I kept hearing a fuzzy "pulse" and traced it down to a battery powered Seiko wall clock. It seems like they stick a noisy processor in everything they make these days.
Thanks for
RFI is everywhere! I kept hearing a fuzzy "pulse" and traced it down to a battery powered Seiko wall clock. It seems like they stick a noisy processor in everything they make these days.
Thanks for
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By
R. Mark Barnett
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#13169
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Re: Computer RFI problems-FARMERIK
http://audiosystemsgroup.com/RFI-Ham.pdf
This is hardly a FAQ, but it is a good tutorial on RFI. It's
ham-oriented, but RF is RF and a lot of it is receive oriented (as
opposed to RFI from your own
http://audiosystemsgroup.com/RFI-Ham.pdf
This is hardly a FAQ, but it is a good tutorial on RFI. It's
ham-oriented, but RF is RF and a lot of it is receive oriented (as
opposed to RFI from your own
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By
Peter Laws
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#13168
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Longwave Ultralights
Hi all:
With the current surge of interest in longwave Ultralights, I did a little more research into what is available, other than the Tecsun PL-300WT, 310, 369, 380 and 606. The availability of
Hi all:
With the current surge of interest in longwave Ultralights, I did a little more research into what is available, other than the Tecsun PL-300WT, 310, 369, 380 and 606. The availability of
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By
Kevin Schanilec
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#13167
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Computer RFI problems-FARMERIK
My house hold computers are leaking RFI into the house wiring, and it is acting like an antenna for RFI where ever anything uses AC power.
I started looking around, and noticed at New Egg, some of
My house hold computers are leaking RFI into the house wiring, and it is acting like an antenna for RFI where ever anything uses AC power.
I started looking around, and noticed at New Egg, some of
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By
Rik
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#13166
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Re: Improving LW
Hi Steve,
the M37L is a European version (I guess) of the M37W with longwave in stead of the weather band. I bought one in 2007 in a Sony Centre in Belgium (for about 70 euros) and another one on
Hi Steve,
the M37L is a European version (I guess) of the M37W with longwave in stead of the weather band. I bought one in 2007 in a Sony Centre in Belgium (for about 70 euros) and another one on
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By
Henk_Verdru
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#13165
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Re: A Couple New Stations Heard From The Arctic State of Oklahoma
Correction:
One of the loggings I just submitted contained a mispelled
QTH. Sorry...it should read:
Kirk Allen
Ponca City, OK
Correction:
One of the loggings I just submitted contained a mispelled
QTH. Sorry...it should read:
Kirk Allen
Ponca City, OK
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By
Kirk <kirk74601@...>
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#13164
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A Couple New Stations Heard From The Arctic State of Oklahoma
Brrr, it's cold here in Oklahoma lately. I apologize for not reporting lately, but I think my hands are half frozen! Anyway, two new stations to report this time.
This one is Thanks To a Recent Tip
Brrr, it's cold here in Oklahoma lately. I apologize for not reporting lately, but I think my hands are half frozen! Anyway, two new stations to report this time.
This one is Thanks To a Recent Tip
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By
Kirk <kirk74601@...>
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#13163
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Re: Improving LW
Hey Steve/all:
I tried in the past to buy a M37L, but they are apparently only available in Europe, primarily in the UK, where they go for about $45 US plus whatever the shipping would be. KK
Hey Steve/all:
I tried in the past to buy a M37L, but they are apparently only available in Europe, primarily in the UK, where they go for about $45 US plus whatever the shipping would be. KK
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By
Kevin Schanilec
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#13162
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Re: Improving LW
Hi Henk,
Where do you obtain the SRF-M37L? I'm not familiar with that model, with the LF?
Steve
Hi Henk,
Where do you obtain the SRF-M37L? I'm not familiar with that model, with the LF?
Steve
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By
Steve Ratzlaff <steveratz@...>
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#13161
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Re: Random loggings - Central Oklahoma
Hi Peter:
Here is one source for Mexico:
http://www.amfmdx.net/amdx/corazondx.html
Kevin
Hi Peter:
Here is one source for Mexico:
http://www.amfmdx.net/amdx/corazondx.html
Kevin
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By
Kevin Schanilec
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#13160
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Re: Improving LW
No mod is required ONLY if your receiver has an external antenna jack. If it does not then you have limited choices: 1) modify the radio; 2) resonate the antenna in close physical proximity to the
No mod is required ONLY if your receiver has an external antenna jack. If it does not then you have limited choices: 1) modify the radio; 2) resonate the antenna in close physical proximity to the
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By
Russ Edmunds <wb2bjh@...>
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#13159
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Re: Random loggings - Central Oklahoma
Peter,
A website that I use a lot for Mexican DX is:
http://mexicoradiotv.com/frec_am.htm
Fred Cantu maintains that website and updates it frequently.
Another resource I use is the IRCA's Mexican Log.
Peter,
A website that I use a lot for Mexican DX is:
http://mexicoradiotv.com/frec_am.htm
Fred Cantu maintains that website and updates it frequently.
Another resource I use is the IRCA's Mexican Log.
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By
Stephen Ponder <stephen_ponder@...>
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#13158
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Re: Random loggings - Central Oklahoma
I see that this was actually Radio Reloj 570. Still, very cool and
just a leetle bit creepy.
I had assumed that all but US/Canada/Mexico was on the 9-kHz step. I
guess it's actually all of Region
I see that this was actually Radio Reloj 570. Still, very cool and
just a leetle bit creepy.
I had assumed that all but US/Canada/Mexico was on the 9-kHz step. I
guess it's actually all of Region
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By
Peter Laws
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#13157
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Re: Improving LW
Thanks for this info Russ.
Well, I suppose similar products can be found in Europe as well !
If EU members can help, and recommand a good 'Q-stick' style antenna available here...
TIA.
Patrick
Thanks for this info Russ.
Well, I suppose similar products can be found in Europe as well !
If EU members can help, and recommand a good 'Q-stick' style antenna available here...
TIA.
Patrick
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By
balise2001 <aunumero13@...>
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#13156
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Random loggings - Central Oklahoma
This is fun. I have only been listening at night for about an hour or
so before going to bed. Any ideas on 530? What's a good place to
find Mexican info? I have to guess from the frequency, since
This is fun. I have only been listening at night for about an hour or
so before going to bed. Any ideas on 530? What's a good place to
find Mexican info? I have to guess from the frequency, since
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By
Peter Laws
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#13155
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PL-606 backlight?
Anyone figured out if there is a hidden option to keep the backlight
on at all times? I was hoping that it would if the unit was plugged
in, but alas (I also confirmed that there is no data seen on
Anyone figured out if there is a hidden option to keep the backlight
on at all times? I was hoping that it would if the unit was plugged
in, but alas (I also confirmed that there is no data seen on
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By
Peter Laws
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#13154
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Re: South Dakota catch
RE:
Kevin S
Bainbridge Island, WA
Kevin,
Nice catch on South Dakota. I've been trying for that one for what seems like forever.
North Dakota has been heard here and out at Old Perlican on the
RE:
Kevin S
Bainbridge Island, WA
Kevin,
Nice catch on South Dakota. I've been trying for that one for what seems like forever.
North Dakota has been heard here and out at Old Perlican on the
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By
Allen Willie
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#13153
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Re: Best Audio Quality FM Portable with DX Capability... (OT => bigger radio ?)
Hi Rick,
Thanks for this input. Since Tecsun is a major radio producer around here (Grundig/Eton radios are often Tecsun's rebranded radios), this can perhaps explain the
Hi Rick,
Thanks for this input. Since Tecsun is a major radio producer around here (Grundig/Eton radios are often Tecsun's rebranded radios), this can perhaps explain the
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By
Charly <calpublic@...>
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#13152
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