Date   

Re: True!

Miguel EC5W
 

Not applicable to new millennials :-) 

Miguel Tecles


El 30 abr 2021, a las 8:27, Simon Brown <simon@...> escribió:



<image001.png>

 

Simon Brown, G4ELI

https://www.sdr-radio.com

 


--
- + - + -
Please use https://forum.sdr-radio.com:4499/ when posting questions or problems.


True!

Simon Brown
 

 

Simon Brown, G4ELI

https://www.sdr-radio.com

 


--
- + - + -
Please use https://forum.sdr-radio.com:4499/ when posting questions or problems.


Re: Anyone with KNOWN treadmill exercise equipment RFI screen shots?

Joe Pereira
 

This is a capture of a treadmill nearby to me, a bit different to what you see

Joe
VK5EI


Re: Anyone with KNOWN treadmill exercise equipment RFI screen shots?

Kriss Kliegle KA1GJU
 

I have documented clothes washer RFI from my own Whirlpool Duet washer (2007? Vintage). That varies with speed of the rotor, this is QRM is much more stable vs variable speed washing machine RFI.

73 Kriss KA1GJU 


Re: Anyone with KNOWN treadmill exercise equipment RFI screen shots?

Bob Dengler
 

At 4/29/2021 03:52 AM, you wrote:
Now that the Sun is up earlier, I am up earlier too. I found the QRM again (S-9 at 16kHz spacing) on Super Stations #1, #2, & #3. Last summer I tracked it down to what I believe is the source, a home +500 away from Super Station #1's antenna (nearest antenna), +600' from #3's, +800' from #4's and +900' from #5's.
Starts in the upper 4MHz band and is noticeable all the way up to 14Mhz. The worst is in the 5 MHz region at S-9 (not a true reading due to using a non calibrated RXR!).
The RFI occurs only in the early AM, 0545-0630 or so with intermittent pauses of 5-10 minutes during the ~45 minutes.
Could also be a washing machine with variable speed drive. See if the 45 minute cycle length is consistent.

Bob NO6B


Re: FA0 dg9bfc sigi

Fred
 

Good job sigi family first.

He's missed in a few groups on here...

73
Fred KB4QZH


Re: FA0 dg9bfc sigi

Siegfried Jackstien
 

her name is erika .. and she is my mother (84 yrs)

some work in her garden had to be done ... besides modding a few pluto and building a few lnb with tcxo and "plumbering" some poty feed

greetz sigi dg9bfc

Am 29.04.2021 um 17:33 schrieb Simon Brown:

What’s her name?

 

Simon Brown, G4ELI

https://www.sdr-radio.com

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Siegfried Jackstien
Sent: 29 April 2021 17:36
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] FA0 dg9bfc sigi

 

wink wink

here :-)

all good here .. just had not that much time for the hobby (other things to do)

greetz sigi dg9bfc


--
- + - + -
Please use https://forum.sdr-radio.com:4499/ when posting questions or problems.


Re: FA0 dg9bfc sigi

Conrad, PA5Y
 

Oh are there other things to do? I really must try them some time.

 

Conrad

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Siegfried Jackstien via groups.io
Sent: 29 April 2021 18:36
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] FA0 dg9bfc sigi

 

wink wink

here :-)

all good here .. just had not that much time for the hobby (other things to do)

greetz sigi dg9bfc

Am 29.04.2021 um 14:02 schrieb Simon Brown:

I was also wondering where Sigi is.

 

Simon Brown, G4ELI

https://www.sdr-radio.com

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Conrad, PA5Y
Sent: 29 April 2021 14:39
To: main@SDR-Radio.groups.io
Subject: [SDR-Radio] FA0 dg9bfc sigi

 

Hello Sigi.

 

I have sent you several emails and have not received a reply, I wonder if your spam filter trapped them?

 

Regards

 

Conrad PA5Y


--

- + - + -

Please use https://forum.sdr-radio.com:4499/ when posting questions or problems.


Re: Noise Blanker Operation

Radioman ZeroZero
 

Maybe do a recording then play back many times adjusting the settings each time until you get the wanted result.
--
Thanks Steve M0ZEH


Re: Dead Andrus

Simon Brown
 

Hi,

 

It’s just not sending data. Firewall change maybe?

 

Simon Brown, G4ELI

https://www.sdr-radio.com

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Allan Isaacs
Sent: 29 April 2021 18:15
To: main@SDR-Radio.groups.io
Subject: [SDR-Radio] Dead Andrus

 

My Andrus SDR was working quite happily in my workshop, connected via my LAN until recently when it just stopped.
Attached is the logfile from today.
The thing is powered via its USB connector and everything appears to work except there's no signal passed to SDR Console.
Any ideas?
Allan G3PIY


--
- + - + -
Please use https://forum.sdr-radio.com:4499/ when posting questions or problems.


Re: FA0 dg9bfc sigi

Simon Brown
 

What’s her name?

 

Simon Brown, G4ELI

https://www.sdr-radio.com

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Siegfried Jackstien
Sent: 29 April 2021 17:36
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] FA0 dg9bfc sigi

 

wink wink

here :-)

all good here .. just had not that much time for the hobby (other things to do)

greetz sigi dg9bfc


--
- + - + -
Please use https://forum.sdr-radio.com:4499/ when posting questions or problems.


Dead Andrus

Allan Isaacs
 

My Andrus SDR was working quite happily in my workshop, connected via my LAN until recently when it just stopped.
Attached is the logfile from today.
The thing is powered via its USB connector and everything appears to work except there's no signal passed to SDR Console.
Any ideas?
Allan G3PIY


Re: FA0 dg9bfc sigi

Dennis Matzen
 

What other things could there possibly be???
--
Dennis
KA6FUB


Re: FA0 dg9bfc sigi

Dennis Matzen
 


--
Dennis
KA6FUB


Re: FA0 dg9bfc sigi

Siegfried Jackstien
 

wink wink

here :-)

all good here .. just had not that much time for the hobby (other things to do)

greetz sigi dg9bfc

Am 29.04.2021 um 14:02 schrieb Simon Brown:

I was also wondering where Sigi is.

 

Simon Brown, G4ELI

https://www.sdr-radio.com

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Conrad, PA5Y
Sent: 29 April 2021 14:39
To: main@SDR-Radio.groups.io
Subject: [SDR-Radio] FA0 dg9bfc sigi

 

Hello Sigi.

 

I have sent you several emails and have not received a reply, I wonder if your spam filter trapped them?

 

Regards

 

Conrad PA5Y


--
- + - + -
Please use https://forum.sdr-radio.com:4499/ when posting questions or problems.


Re: Anyone with KNOWN treadmill exercise equipment RFI screen shots?

Dennis Matzen
 

Kriss, my wife has a treadmill and the attached video shows what is does to me. Sounds like what you are experiencing. Lucky for me she does not use it that much. If you want any details on the treadmill I can get them when i get home later this week (I am on the road in  the motor home this week).
--
Dennis
KA6FUB


Re: FA0 dg9bfc sigi

Simon Brown
 

I was also wondering where Sigi is.

 

Simon Brown, G4ELI

https://www.sdr-radio.com

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Conrad, PA5Y
Sent: 29 April 2021 14:39
To: main@SDR-Radio.groups.io
Subject: [SDR-Radio] FA0 dg9bfc sigi

 

Hello Sigi.

 

I have sent you several emails and have not received a reply, I wonder if your spam filter trapped them?

 

Regards

 

Conrad PA5Y


--
- + - + -
Please use https://forum.sdr-radio.com:4499/ when posting questions or problems.


FA0 dg9bfc sigi

Conrad, PA5Y
 

Hello Sigi.

I have sent you several emails and have not received a reply, I wonder if your spam filter trapped them?

Regards

Conrad PA5Y


Re: Anyone with KNOWN treadmill exercise equipment RFI screen shots?

Old Roy 78
 

Why should I download SDR Console to my G-33 SDR?

And if it would help me in my DXing how do I download it?

Roy Barstow - Cape Cod - MA.

On 4/29/21, Dave Cole <dave@nk7z.net> wrote:
Wrong list... I am referring to the rfi@contesting.com list for solutions.

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 4/29/21 6:04 AM, Dave Cole wrote:
You might go back in the list looking for treadmill...  There have been
a few instances of successful suppression of RFI from them, over the
years.

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 4/29/21 5:34 AM, Jerry Lofstead wrote:
Treadmill noise is from the switching ps.  The pulses vary with the
speed of the walker.  Ours covers up to 17 MHZ.  I put Veritas on
everything and unable to suppress it.  The chopper wheel puLses the DC
to the motor.

Jerrylofstead  W3CDE

On Thu, Apr 29, 2021, 8:19 AM Dave Cole <dave@nk7z.net
<mailto:dave@nk7z.net>> wrote:

    If you get one, could you share it?  I would like one for my RFI
    signature files.

    73, and thanks,
    Dave (NK7Z)
    https://www.nk7z.net
    ARRL Volunteer Examiner
    ARRL Technical Specialist, RFI
    ARRL Asst. Director, NW Division, Technical Resources

    On 4/29/21 3:52 AM, Kriss Kliegle KA1GJU wrote:
     > Now that the Sun is up earlier, I am up earlier too. I found
the QRM
     > again (S-9 at 16kHz spacing) on Super Stations #1, #2, & #3. Last
    summer
     > I tracked it down to what I believe is the source, a home +500
    away from
     > Super Station #1's antenna (nearest antenna),  +600' from #3's,
    +800'
     > from #4's and +900' from #5's.
     > Starts in the upper 4MHz band and is noticeable all the way up to
    14Mhz.
     > The worst is in the 5 MHz region at S-9 (not a true reading due
    to using
     > a non calibrated RXR!).
     > The RFI occurs only in the early AM, 0545-0630 or so with
    intermittent
     > pauses of 5-10 minutes during the ~45 minutes. Not much of an
    issue from
     > Fall-Spring, since it's dark and I'm not up. But now the sun is
    up 05:40
     > (thank you Simon for the World Map application!) and I find users
    on the
     > network of servers I host.
     >
     > I've searched the web for SDR images of "treadmill RFI" and got
    nowhere.
     > Attached are two images, one wide and one close up. The swath
of RFI
     > ever so slowly drifts in one direction during the emission.
     >
     > 73 Kriss KA1GJU
     >













Re: Anyone with KNOWN treadmill exercise equipment RFI screen shots?

Dave (NK7Z)
 

Wrong list... I am referring to the rfi@contesting.com list for solutions.

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 4/29/21 6:04 AM, Dave Cole wrote:
You might go back in the list looking for treadmill...  There have been a few instances of successful suppression of RFI from them, over the years.
73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources
On 4/29/21 5:34 AM, Jerry Lofstead wrote:
Treadmill noise is from the switching ps.  The pulses vary with the speed of the walker.  Ours covers up to 17 MHZ.  I put Veritas on everything and unable to suppress it.  The chopper wheel puLses the DC to the motor.

Jerrylofstead  W3CDE

On Thu, Apr 29, 2021, 8:19 AM Dave Cole <dave@nk7z.net <mailto:dave@nk7z.net>> wrote:

    If you get one, could you share it?  I would like one for my RFI
    signature files.

    73, and thanks,
    Dave (NK7Z)
    https://www.nk7z.net
    ARRL Volunteer Examiner
    ARRL Technical Specialist, RFI
    ARRL Asst. Director, NW Division, Technical Resources

    On 4/29/21 3:52 AM, Kriss Kliegle KA1GJU wrote:
     > Now that the Sun is up earlier, I am up earlier too. I found the QRM
     > again (S-9 at 16kHz spacing) on Super Stations #1, #2, & #3. Last
    summer
     > I tracked it down to what I believe is the source, a home +500
    away from
     > Super Station #1's antenna (nearest antenna),  +600' from #3's,
    +800'
     > from #4's and +900' from #5's.
     > Starts in the upper 4MHz band and is noticeable all the way up to
    14Mhz.
     > The worst is in the 5 MHz region at S-9 (not a true reading due
    to using
     > a non calibrated RXR!).
     > The RFI occurs only in the early AM, 0545-0630 or so with
    intermittent
     > pauses of 5-10 minutes during the ~45 minutes. Not much of an
    issue from
     > Fall-Spring, since it's dark and I'm not up. But now the sun is
    up 05:40
     > (thank you Simon for the World Map application!) and I find users
    on the
     > network of servers I host.
     >
     > I've searched the web for SDR images of "treadmill RFI" and got
    nowhere.
     > Attached are two images, one wide and one close up. The swath of RFI
     > ever so slowly drifts in one direction during the emission.
     >
     > 73 Kriss KA1GJU
     >





1141 - 1160 of 63349