Date   

Re: World Map 1.2.7

Simon Brown
 

Mike,

 

I sent you a link by direct email, please let me know if it solves the problem.

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Mike Bott
Sent: 14 May 2022 18:42
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] World Map 1.2.7

 

EN80ND

On 5/14/22 13:15, Simon Brown wrote:

Still a bug though. What’s your home locator?

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Mike Bott
Sent: 14 May 2022 18:12
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] World Map 1.2.7

 

I just realized I has SWM somewhat zoomed.  Works just fine when fully zoomed out.

On 5/14/22 07:28, Mike Bott via groups.io wrote:

It appears that the long path is anchored on the opposite side of the earth from the Home Location

On 5/14/22 02:48, Simon Brown wrote:

Something for the weekend: World Map 1.2.7 with a few funky new features.

 

https://www.g4eli.com/world-map

 

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 


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Re: ICOM AH-4 Tuner Protocol

Simon Brown
 

Hi,

 

To be honest I don’t remember. I don’t recollect the API having a tune option for ATUs.

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Johan Lehmann
Sent: 15 May 2022 18:23
To: main@SDR-Radio.groups.io
Subject: [SDR-Radio] ICOM AH-4 Tuner Protocol

 

The HL2 gateware from v69 up supports ICOM AH-4 tuner protocol. It does require building two level convertor circuits on the back panel of the transceiver but that is the easy part. Before I run off buying some fet's and building the level convertor I need to ask the following question please.

Does SDR Console supports the TUNE function with the HL2?

Would appreciate some answers.

73
Johan ZS6JPL


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Re: Future version 1.27 of the "World Map" #future

jdow
 

Hm, it is fancy fun for geeky sorts. It amounts to a development kit with a rather fancy piece of example software. It features freakishly fast synchronization. It looks like it is good enough for most ham use, but I don't know if it tweaks the system clock or not. (Yeah yeah RTFM. But that skips the fun of discovery.) It appears to be nicely geared to mobile equipment. It's fun playing with stuff I remember and disturbing about how much I have forgotten over the years.

With Win 10 it was plug and play. And it integrates with the location services, one presumes automatically. I'd still recommend installing the U-center software.

{^_-}

On 20220510 20:55:24, jdow wrote:
This one looks intriguing, It has Windows driver. It has PPS - sort of, via USB.


Waterproof GPS Receiver for Laptop, USB Interface, Raspberry Pi, 27 db Gain

https://www.amazon.com/Waterproof-Receiver-Laptop-Interface-Gain/dp/B071XY4R26/ref=pd_sbs_sccl_4_5/136-1688456-5338363?pd_rd_w=mG1WV&pf_rd_p=4b6b5072-e9bd-4f30-a3af-a1f5d52978ec&pf_rd_r=C7J4839ACBK9P06AYCTJ&pd_rd_r=564088f3-5e50-48dc-b2e2-2ac5fea2a9e6&pd_rd_wg=3o9CO&pd_rd_i=B071XY4R26&psc=1

I have NO idea why this caught be by surprise. There are people who've done GPS using an RTL dongle. But, it did surprise me. And it's only $35 Amazon Prime in the US.

{o.o}


On 20220510 10:40:04, Siegfried Jackstien wrote:
My gps dongle came with an app to read data (and sync clock if needed)
Also shows number of the sats and a sky view where each one is and reads ephemeridian data

But included inside map soft?? Not a bad idea
Dg9bfc sigi 

Am 10.05.2022 19:25 schrieb EA7HGL <ea7hgl@...>:

[Edited Message Follows]

Hi Simon. I have seen in the forecast of version 1.2.7 of the "World Map", an NTP client, would it be possible to implement the reading of the clock of a GPS (installed in a serial port)? It would be appreciated in areas or circumstances without internet connection . Thanks for your time. Antonio D. (EA7HGL)



ICOM AH-4 Tuner Protocol

Johan Lehmann
 

The HL2 gateware from v69 up supports ICOM AH-4 tuner protocol. It does require building two level convertor circuits on the back panel of the transceiver but that is the easy part. Before I run off buying some fet's and building the level convertor I need to ask the following question please.

Does SDR Console supports the TUNE function with the HL2?

Would appreciate some answers.

73
Johan ZS6JPL


Re: World Map 1.2.7

jdow
 

4) I don't know about that. I posted that a little after Noon yesterday local time. It read 12:xx for the large time indication. The sunrise and sunset times were very definitely UTC with Sunrise about the same as current time. The approximate location is 34.5 N and 117 W. Are there separate time zone settings? An so, this AM after a restart it is making sense. That suggests the change when made did not propagate fully to the SR/SS portion of the display. So perhaps we are both correct.


1) It's your infernal floating point entry dialog that's VERY resistant to me using it. It seems to actively hate me. I clipped the lat and long. I tried highlighting everything, it failed. It highlighting the real part and it failed, as expected. Both times the cursor happened to be in the real part of the dialog as that seemed to make more sense to me.

2) OK, it gave me the impression it was an active client that could reset system time as well as display time.

3) Yeah - the three choices have interesting interactions. It took me aback with the behavior. "Unexpected" is the keyword.

{^_^}

On 20220514 22:20:27, Simon Brown wrote:
  1. Yes you can
  2. NTP is not on, it’s an interactive client
  3. Sadly I don’t have the option of radio buttons here
  4. Sorry, not correct, Sunrise / sunset value depends on whether local or UTC is selected

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of jdow
Sent: 14 May 2022 20:14
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] World Map 1.2.7

 

1) Setting location is a MISERABLE job. I cannot simply cut and paste the suitable values.

2) How do I turn off ntp to prevent it competing with my internal ntp?

3) Interaction of Greyline "Night Map" and "Shadow" as sort of radio buttons is confusing.

4) Sunrise and sunset are UTC even when local time is selected.

{o.o}

On 20220513 23:48:44, Simon Brown wrote:

Something for the weekend: World Map 1.2.7 with a few funky new features.

 

https://www.g4eli.com/world-map

 

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 


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Re: World Map 1.2.7

F6GWE
 

Hi Group

Thanks Simon

Very very good job like SDRConsole!
Thanks again about all you make for Ham Community!

73 QRO
Patrick


Re: World Map 1.2.7

Simon Brown
 

  1. Yes you can
  2. NTP is not on, it’s an interactive client
  3. Sadly I don’t have the option of radio buttons here
  4. Sorry, not correct, Sunrise / sunset value depends on whether local or UTC is selected

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of jdow
Sent: 14 May 2022 20:14
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] World Map 1.2.7

 

1) Setting location is a MISERABLE job. I cannot simply cut and paste the suitable values.

2) How do I turn off ntp to prevent it competing with my internal ntp?

3) Interaction of Greyline "Night Map" and "Shadow" as sort of radio buttons is confusing.

4) Sunrise and sunset are UTC even when local time is selected.

{o.o}

On 20220513 23:48:44, Simon Brown wrote:

Something for the weekend: World Map 1.2.7 with a few funky new features.

 

https://www.g4eli.com/world-map

 

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 


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Re: World Map 1.2.7

jdow
 

1) Setting location is a MISERABLE job. I cannot simply cut and paste the suitable values.

2) How do I turn off ntp to prevent it competing with my internal ntp?

3) Interaction of Greyline "Night Map" and "Shadow" as sort of radio buttons is confusing.

4) Sunrise and sunset are UTC even when local time is selected.

{o.o}

On 20220513 23:48:44, Simon Brown wrote:

Something for the weekend: World Map 1.2.7 with a few funky new features.

 

https://www.g4eli.com/world-map

 

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 


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Re: World Map 1.2.7

Simon Brown
 

Thanks,

 

Using your locator I see the bug, will probably fix tomorrow.

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Mike Bott
Sent: 14 May 2022 18:42
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] World Map 1.2.7

 

EN80ND

On 5/14/22 13:15, Simon Brown wrote:

Still a bug though. What’s your home locator?

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Mike Bott
Sent: 14 May 2022 18:12
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] World Map 1.2.7

 

I just realized I has SWM somewhat zoomed.  Works just fine when fully zoomed out.

On 5/14/22 07:28, Mike Bott via groups.io wrote:

It appears that the long path is anchored on the opposite side of the earth from the Home Location

On 5/14/22 02:48, Simon Brown wrote:

Something for the weekend: World Map 1.2.7 with a few funky new features.

 

https://www.g4eli.com/world-map

 

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 


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Re: World Map 1.2.7

Mike Bott
 

EN80ND

On 5/14/22 13:15, Simon Brown wrote:

Still a bug though. What’s your home locator?

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Mike Bott
Sent: 14 May 2022 18:12
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] World Map 1.2.7

 

I just realized I has SWM somewhat zoomed.  Works just fine when fully zoomed out.

On 5/14/22 07:28, Mike Bott via groups.io wrote:

It appears that the long path is anchored on the opposite side of the earth from the Home Location

On 5/14/22 02:48, Simon Brown wrote:

Something for the weekend: World Map 1.2.7 with a few funky new features.

 

https://www.g4eli.com/world-map

 

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 


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Re: Spectral Subtraction

Siegfried Jackstien
 

and does a really well job .. grin :-)

dg9bfc sigi

Am 14.05.2022 um 19:15 schrieb Simon Brown:

Hi,

 

No special hardware, it runs in the demodulation chain.

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of martinbradford2001
Sent: 14 May 2022 11:51
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] Spectral Subtraction

 

[Edited Message Follows]

What is the hardware requirement, Simon? Is this processing the two channels of a device like the RSPDuo?

Regarding the artefacts, yes they can be annoying, but this level of noise reduction would only usually be used on signals at the limit of readability. Failing to get a new DXCC in the logbook is even more annoying than a bit of burbling and a confirmed log entry!

--
Martin
G8FXC


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Re: Spectral Subtraction

Simon Brown
 

Hi,

 

No special hardware, it runs in the demodulation chain.

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of martinbradford2001
Sent: 14 May 2022 11:51
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] Spectral Subtraction

 

[Edited Message Follows]

What is the hardware requirement, Simon? Is this processing the two channels of a device like the RSPDuo?

Regarding the artefacts, yes they can be annoying, but this level of noise reduction would only usually be used on signals at the limit of readability. Failing to get a new DXCC in the logbook is even more annoying than a bit of burbling and a confirmed log entry!

--
Martin
G8FXC


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Re: World Map 1.2.7

Simon Brown
 

Still a bug though. What’s your home locator?

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Mike Bott
Sent: 14 May 2022 18:12
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] World Map 1.2.7

 

I just realized I has SWM somewhat zoomed.  Works just fine when fully zoomed out.

On 5/14/22 07:28, Mike Bott via groups.io wrote:

It appears that the long path is anchored on the opposite side of the earth from the Home Location

On 5/14/22 02:48, Simon Brown wrote:

Something for the weekend: World Map 1.2.7 with a few funky new features.

 

https://www.g4eli.com/world-map

 

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 


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Re: World Map 1.2.7

Mike Bott
 

I just realized I has SWM somewhat zoomed.  Works just fine when fully zoomed out.

On 5/14/22 07:28, Mike Bott via groups.io wrote:
It appears that the long path is anchored on the opposite side of the earth from the Home Location

On 5/14/22 02:48, Simon Brown wrote:

Something for the weekend: World Map 1.2.7 with a few funky new features.

 

https://www.g4eli.com/world-map

 

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 


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Re: World Map 1.2.7

Mike Bott
 

It appears that the long path is anchored on the opposite side of the earth from the Home Location

On 5/14/22 02:48, Simon Brown wrote:

Something for the weekend: World Map 1.2.7 with a few funky new features.

 

https://www.g4eli.com/world-map

 

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 


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Re: Spectral Subtraction

martinbradford2001
 
Edited

What is the hardware requirement, Simon? Is this processing the two channels of a device like the RSPDuo?

Regarding the artefacts, yes they can be annoying, but this level of noise reduction would only usually be used on signals at the limit of readability. Failing to get a new DXCC in the logbook is even more annoying than a bit of burbling and a confirmed log entry!

--
Martin
G8FXC


World Map 1.2.7

Simon Brown
 

Something for the weekend: World Map 1.2.7 with a few funky new features.

 

https://www.g4eli.com/world-map

 

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 


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Re: Spectral Subtraction

Max
 

On Fri, May 13, 2022 at 10:25 AM, Conrad, PA5Y wrote:

Watch the video below at 08:24, this is about the best in amateur radio I’ve heard, the artefacts are there but acceptable for our purposes.

 

https://www.youtube.com/watch?v=KR5t4Hei9FA

Conrad, that is one of the best ever NRs I've ever heard. No detectable "burbling" on the voice, just noise reduction. Very nice. Hope Simon can emulate this and will be fantastic.

73

Max


Re: Spectral Subtraction

Simon Brown
 

Indeed, that paper you referenced is my next reading material.

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Conrad, PA5Y
Sent: 13 May 2022 10:42
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] Spectral Subtraction

 

I am quite sure that you will do a good job!

 

Conrad

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Simon Brown via groups.io
Sent: 13 May 2022 11:30
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] Spectral Subtraction

 

Conrad,

 

This is being worked on, I’m now at a stage where I can move forward with Luciano Dato’s work.

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Conrad, PA5Y
Sent: 13 May 2022 10:25
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] Spectral Subtraction

 

Simon thank you for your work.

 

I find the burbling sounds associated with Spectral subtraction most off putting. I believe it is called ‘musical noise’ and is more obtrusive with speech than music.

 

This is interesting.

https://www.vocal.com/noise-reduction/musical-noise/

 

It offers suggestions as to how it may be reduced which do work. Probably Simon has already incorporated these techniques.

 

I have been working commercially on this very subject exclusively with AM radio for the last 4 months with great success, unfortunately I cannot share what we have done.

 

SDR# suffers from the same affliction, at least based on the recordings that I could find online. If anyone has any good examples of spectral subtraction with SDR# please post them.

 

Watch the video below at 08:24, this is about the best in amateur radio I’ve heard, the artefacts are there but acceptable for our purposes.

 

https://www.youtube.com/watch?v=KR5t4Hei9FA

 

73

 

Conrad PA5Y

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Simon Brown via groups.io
Sent: 13 May 2022 09:29
To: SDR-Radio@groups.io
Subject: [SDR-Radio] Spectral Subtraction

 

Understanding spectral subtraction and its use in noise reduction for SDR Console. Not yet as good as SDR# but a step in the right direction!

 

https://www.g4eli.com/blog/spectral-subtraction

 

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 


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Re: Spectral Subtraction

Siegfried Jackstien
 

i am sure you can make it perfect ...

if that slight hiss that is left is also filtered away then there is no need to use squelch anymore ;-)

good job

dg9bfc sigi

ps tnx fer restoring the max values up

Am 13.05.2022 um 11:30 schrieb Simon Brown:

Conrad,

 

This is being worked on, I’m now at a stage where I can move forward with Luciano Dato’s work.

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Conrad, PA5Y
Sent: 13 May 2022 10:25
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] Spectral Subtraction

 

Simon thank you for your work.

 

I find the burbling sounds associated with Spectral subtraction most off putting. I believe it is called ‘musical noise’ and is more obtrusive with speech than music.

 

This is interesting.

https://www.vocal.com/noise-reduction/musical-noise/

 

It offers suggestions as to how it may be reduced which do work. Probably Simon has already incorporated these techniques.

 

I have been working commercially on this very subject exclusively with AM radio for the last 4 months with great success, unfortunately I cannot share what we have done.

 

SDR# suffers from the same affliction, at least based on the recordings that I could find online. If anyone has any good examples of spectral subtraction with SDR# please post them.

 

Watch the video below at 08:24, this is about the best in amateur radio I’ve heard, the artefacts are there but acceptable for our purposes.

 

https://www.youtube.com/watch?v=KR5t4Hei9FA

 

73

 

Conrad PA5Y

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Simon Brown via groups.io
Sent: 13 May 2022 09:29
To: SDR-Radio@groups.io
Subject: [SDR-Radio] Spectral Subtraction

 

Understanding spectral subtraction and its use in noise reduction for SDR Console. Not yet as good as SDR# but a step in the right direction!

 

https://www.g4eli.com/blog/spectral-subtraction

 

 

Simon Brown

https://www.g4eli.com

https://www.sdr-radio.com

 


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