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ТЕМА: There is a noise in the center of my waterfall. Can someone tell me what it is?

There is a noise in the center of my waterfall. Can someone tell me what it is? 20 Авг 2022 22:53 #1

  • SamWalker
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Вложенный файл:

Имя файла: Thisisascreenshotof39kHz.pdf
Размер файла: 442 KB
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There is a noise in the center of my waterfall. Can someone tell me what it is? 20 Авг 2022 23:17 #2

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SamWalker пишет:

Вложенный файл:

Имя файла: Thisisascreenshotof39kHz.pdf
Размер файла: 442 KB

Without hearing the pulse noise, it would be hard to take a stabe at what it could be.

Can you get some video

And you don't see this at 39 sample rate?

If I was to guess at this point as that's what I am going to do guess

Its coming from a wall wart device or power supply

Does / Is your switch and or router using one of those walwarts for power.

List the whole setup
We got the computers (which exception to exact model of onboard) video card

How is the rig connected
Directly to an ethernet port on the PC
Via Wireless (Wi-Fi)
to a switch
to a router

if router/switch make and model?
there are a few that are really crappy and create a ton of noise/rfi

Also is this there constantly or does it come and go?
I've also seen some monitors themselves create havoc- there were a few guys on the forum that had that crap happened with turn off the monitor and see if it's still heard.

Since the algorithms change from V2 to V3 (filtering etc.) I can see where it may have never showed up before, but was most likely present

Have you turn off things that are not needed to run the computer/radio?

example lights/ if you can hear the noise,

unplug any wal wart not needed to run radio and PC

Turn off other PC's - and POWER THEM OFF, don't want them in sleep mode or hibernation for this test they can't have power
You mentioned other PC so try with both to narrow things down

Even unplug USB devices from PC (the USB adapted Mic)

It could even be a power supply for the radio (Yes, some rigs can detect the noise) and are FAR more susceptible getting the noise then other rigs, do you have another power supply you could try on this radio (if so, power this one off) or some other power supply on another radio or device

Next if no change turn off things in house room by room and check again, I had some GE LED light bulbs that would TRASH things and follow the tuned frequency, they went back in a box (I'll send them as a Christmas gift to a ham I don't care for, perhaps they will brighten his day in more ways than one :rofl: ) they could be seen on adapter as spikes but wherever the filtering was set and you were tuned It showed up BAD!

It can be a LONG process, again a video clip of it with audio may help guide to type of noise and possible culprit
Please do not email me and ask for help I no longer will be part of this, If I could delete /remove my profile I would do so.
Последнее редактирование: 20 Авг 2022 23:31 от N8SDR.
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There is a noise in the center of my waterfall. Can someone tell me what it is? 21 Авг 2022 03:25 #3

  • SamWalker
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Thank you very much, Rick for your detailed response.
I am now in the process of huting down the cause of the noise in my waterfall.
The starting point you suggested will be where I begin. I am prepared to devote a lot of tim to finding the source of this noise.
I will be a process of elimination.
I shall report back my findings at some point in the hope that someone in the ham radio community may find my solving this mystery, helpful.

Thanks again, Rick.
Blessings to you from KC5SW in Euless, TX.
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There is a noise in the center of my waterfall. Can someone tell me what it is? 21 Авг 2022 10:49 #4

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SamWalker пишет:
Thank you very much, Rick for your detailed response.
I am now in the process of huting down the cause of the noise in my waterfall.
The starting point you suggested will be where I begin. I am prepared to devote a lot of tim to finding the source of this noise.
I will be a process of elimination.
I shall report back my findings at some point in the hope that someone in the ham radio community may find my solving this mystery, helpful.

Thanks again, Rick.
Blessings to you from KC5SW in Euless, TX.

Sam if you can get video and audio of it that would be helpful

You as well sir- God Bless

Even if you use a cell phone to record it .
Please do not email me and ask for help I no longer will be part of this, If I could delete /remove my profile I would do so.
Последнее редактирование: 21 Авг 2022 10:51 от N8SDR.
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There is a noise in the center of my waterfall. Can someone tell me what it is? 21 Авг 2022 20:09 #5

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Hi Sam just to check with you your noise comes on for a second or two then goes OFF then comes back on and then again ON and OFF and so on ????
I've just installed version 13 and from your PDF it looks the same if I go back to version 12 then everything goes back to normal all working.

Thanks
Rob
Here to enjoy Ham Radio
LZ2AOV/M0AOV/TA4ZN
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There is a noise in the center of my waterfall. Can someone tell me what it is? 21 Авг 2022 20:32 #6

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Hi, Rob.
The noise I am exp.eriencing is a pulsing noise. It is just like you describe. It go off for a second then it comes back in an endless cycle. I have the same problem with the previous version. I have no problem whatsoever with ExpertSDR2 software.
I installed ExpertSDR3 on my gaming destop which has an excellent video card and lots of RAM. The pulsing is present on that PC. Next I instaled the software on my Microsoft Surface laptop. The problem is there also.
I also discover that if I click on the RX2 tab at the top of my screen the noise will be on both windows of the waterfall.
With RX2 enabled, the noise is present in all the sample rate.
It begins to look like some sort of bug since from what I have know so far.

de,
KC5SW
Sam in TX
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There is a noise in the center of my waterfall. Can someone tell me what it is? 21 Авг 2022 20:37 #7

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HI Sam
Thanks for letting me know I'll do a quick VIDEO tomorrow just showing what I'm getting just like YOU, all other version 3 have all worked but this version 13 at the moment I use version 2 more than version 3 so not too bothered, I'll wait till the Full Beta version comes out before I switch over to Version 3.

Regards
Rob
Here to enjoy Ham Radio
LZ2AOV/M0AOV/TA4ZN
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There is a noise in the center of my waterfall. Can someone tell me what it is? 21 Авг 2022 20:40 #8

  • SamWalker
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Hi, Rick.
I am working on a video that would include sound. Problem is the file is tmuch larger that this forum will allow me to post.
If you want to take a closer look, I can allow you to remote desktop into my PC.
Let me know what software you use so I can do the setup to give you access.
my email is Этот адрес электронной почты защищен от спам-ботов. У вас должен быть включен JavaScript для просмотра.

Regards,
KC5SW
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There is a noise in the center of my waterfall. Can someone tell me what it is? 21 Авг 2022 22:41 #9

  • Wieber
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I get that also. I just hit the ExpertSDR3 power button on the upper left and then power on again and all is fine.

Mike N4BQQ
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There is a noise in the center of my waterfall. Can someone tell me what it is? 22 Авг 2022 00:20 #10

  • N8SDR
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SamWalker пишет:
Hi, Rick.
I am working on a video that would include sound. Problem is the file is tmuch larger that this forum will allow me to post.
If you want to take a closer look, I can allow you to remote desktop into my PC.
Let me know what software you use so I can do the setup to give you access.
my email is Этот адрес электронной почты защищен от спам-ботов. У вас должен быть включен JavaScript для просмотра.

Regards,
KC5SW

Hello Sam


Yes, we can do that

I can send you link to software I use in my company

Are you on telegram?

or maybe send me email and we can go from there on a date and time that works for us both.

I see someone else posted they like you have same issue. So, I would like to take a look and listen, hopefully get an idea of what it could be.
Please do not email me and ask for help I no longer will be part of this, If I could delete /remove my profile I would do so.
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There is a noise in the center of my waterfall. Can someone tell me what it is? 22 Авг 2022 00:26 #11

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SamWalker пишет:
Hi, Rick.
I am working on a video that would include sound. Problem is the file is tmuch larger that this forum will allow me to post.
If you want to take a closer look, I can allow you to remote desktop into my PC.
Let me know what software you use so I can do the setup to give you access.
my email is Этот адрес электронной почты защищен от спам-ботов. У вас должен быть включен JavaScript для просмотра.

Regards,
KC5SW

Another option for the larger video SAM and or Rob - is use GDrive if you wish, you can make a folder in GDrive place the video file in it then create a share link.

That way if it is something common with you or others, being able to see and hear it in the GitHub tracker will be much easier
Please do not email me and ask for help I no longer will be part of this, If I could delete /remove my profile I would do so.
Последнее редактирование: 22 Авг 2022 00:27 от N8SDR.
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There is a noise in the center of my waterfall. Can someone tell me what it is? 22 Авг 2022 09:38 #12

  • lz2aov
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Hi All
I did a Video and put the link here so anyone can see SORRY it's a not brill just done on my phone but you get what it's showing .

Version 3

Rob
Here to enjoy Ham Radio
LZ2AOV/M0AOV/TA4ZN
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There is a noise in the center of my waterfall. Can someone tell me what it is? 22 Авг 2022 10:58 #13

  • SamWalker
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I am getting the same exact thing as Rob video shows using ExpertSDR3 o.13.0 alpha.
Thanks for posting the video, Rob.
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There is a noise in the center of my waterfall. Can someone tell me what it is? 22 Авг 2022 11:24 #14

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lz2aov пишет:
Hi All
I did a Video and put the link here so anyone can see SORRY it's a not brill just done on my phone but you get what it's showing .

Version 3

Rob

Rob

would you and Sam please open a GitHub issue tracker for this.

please list as much as possible on
PC specs
How you have the radio connected (direct /Switch/Router)
As much detail as you can please-
Please do not email me and ask for help I no longer will be part of this, If I could delete /remove my profile I would do so.
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There is a noise in the center of my waterfall. Can someone tell me what it is? 22 Авг 2022 13:38 #15

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lz2aov пишет:
Hi All
I did a Video and put the link here so anyone can see SORRY it's a not brill just done on my phone but you get what it's showing .

Version 3

Rob

Hello Rob

Your PC specs are damn near mine, and no issues here with sample rates, no noise, popping, or display issue:
Same Video card and CPU

looks like now 3 of you having similar issue.

So probably not a noise issue as I thought, unless it some piece of hardware all 3 of you have in common:

I cut your video link Rob and updated Sam's GitHub with it- Just so you guys are aware
Please do not email me and ask for help I no longer will be part of this, If I could delete /remove my profile I would do so.
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