Release of Thetis v2.9.0.8-HL2 Beta 3

[scumballc...@gmail.com]

Hi,

This is the release of v2.9.0.8-HL2 Beta 3 of Thetis for HL2. This should become a full release is no major issues are found.

https://github.com/mi0bot/OpenHPSDR-Thetis/releases/tag/v2.9.0.8-beta3

• Added support for I/O Board
• Update PS to trigger with negative attenuator values
• Updated static IP address discovery to retry 5 times before going to broadcast address

In this and the last release, while correcting the output power slider, I removed the output power dependence in the PA tab in setup (the 38.4 values) as I thought they were confusing. 

It isn't a proper install but a zip of an install and can be placed in an different directory (I use C:\OpenHPSDR) so should allow the original release to still be used. Then just run Thetis.exe within your new directory.

If you haven't already done so, you first need to install the latest release of Thetis (x86 or x64 version) as it sets up things like skins and support for the new meter functionality. The link is

https://github.com/ramdor/Thetis-2.8.0

Please read the release instructions associated with the above release as there has been updates to resources which will affect some controls.

This release may require a reset of the database.

No warranty or guarantee, use at your own risk. It should use it's own database but do a backup of your current Thetis one just in case.

Cheers

Reid

Gi8TME/Mi0BOT

[Pez]

Hello Reid,

Thank you very much for this update.  There are a lot of us very excited about these features, and we appreciate your efforts! Regarding the following:

• Updated static IP address discovery to retry 5 times before going to broadcast address

Unfortunately this is still not connecting over the internet with Port Forwarding in the same way that SDR Console, SDR++ and SparkSDR do. These look for the HL2 on UDP port 1024. Does Thetis do the same? If so, then I guess there is still something different in the timing? 

Best 73

[Reid Campbell]

Sorry, there was a little hiccup in the version naming but the link should work now.

Cheers 

Reid
Gi8TME/Mi0BOT

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[brhl...@gmail.com]

tnx for the release.where to find "Added support for I/O Board"?

[Reid Campbell]

Do you have an I/O Board? It only works if you have an I/O Board and you will see a tick in the Hardware Option for the I/O Board in the Setup|H/W Select panel.

Cheers 

Reid
Gi8TME/Mi0BOT

To view this discussion on the web visit https://groups.google.com/d/msgid/hermes-lite/9228e7ee-d486-4a8b-a978-4c0530709027n%40googlegroups.com.

[brhl...@gmail.com]

tnx.Yes i have the I/O board, so i will  install it asap..

[Phil Davis]

Reid, Thanks for your excellent work on this release.  Is there any chance of having the voice squelch option, I believe it’s there in the final 2.9.0.8 Thetis release.

[Reid Campbell]

Hi Phil,

The Beta 3 is based off 2.9.0.8 final release so it is there. It not
obvious how to switch it on, you just press the Squelch button until it
cycles around. SQL off -> SQL ->  VSQL -> SQL off.

Cheers

Reid
Gi8TME/Mi0BOT

[Phil Davis]

Reid, Thanks,  I should have checked first…. I’ll setup the B3 release and check it out.

[V85NPV]

Hello ,

For testing purpose and thanks to Reid (Gi8TME/Mi0BOT) i was using THETIS v2.9.0.8-HL2 Beta 3 few days ago. At least for CW mode , everything working as expected.

A video using THETIS v2.9.0.8-HL2 Beta 3 During a Pile Up on 15m band : 

https://youtu.be/H1yNehPxcfU 

During this pile-up i was pushing about 110w with a single tube power amplifier and the antenna is a Long Wire (30m long at 13meters above the ground inverted L configuration).

73s V85NPV op Didier

[Ivan Medvedev]

Hello,

action Thetis v2.9.0.8 HL2-Beta3 + HRD + WSJT-X receive mode. 

In the 10-meter band, the VAC1 RXGain slider should be set to 40. On the WSJT-X, we see a signal of about 10 dB (blinking red due to too low a level). Signal levels in the band about S9.

In the 20-meter band, the VAC1 RXGain slider should be set to 40. On the WSJT-X, we see a signal of about 80+ dB (flashing red due to excessive level). Signal levels in the band about S9+15. Need to set VAC1 RX Gain to 0.

Thetis does not remember this setting by band.

Need to set VAC1 RX Gain every time you change bands?

73 LY1O Jonas

[Reid Campbell]

Hi Jonas,

This feature is not in the official Thetis for the Anan series that I base my releases off. I wonder why you are getting such a range over different bands. Do you have your AGC set correctly?

Cheers 

Reid
Gi8TME/Mi0BOT

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[Ivan Medvedev]

Thanks Reid, I wasn't worried about the AGC settings. The setting was <Med>, the AGC gain slider scrolled by itself. I tried to adjust the AGC Gain with the mouse, I managed to get a normal signal level. The signal level was too low only in the 28 MHz band. Signal levels are now automatically adjusted when switching bands. Apparently there was a problem with the AGC (freeze).

73 Jonas LY1O

[Juergen Hussels]

Hi,

short question, I see that PureSignal (PS) is not working when having 384 Khz sample rate enabled, with 192khz it works. The signal is always totally distorted when using PS and 384khz. As the older Betas are refusing to work due to the date I can not check with them anymore, but I have a very old version, where it still works with PS&384khz

Anybody else experienced this behavior? Feedback levels are ok.

best regards, & 73 

 Juergen DL4JY

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[Ivan Medvedev]

For me, PS does not work at 384 kHz.

73 Jonas LY1O

[DL1YCF]

A quick check reveals that the network bandwith is probably the cause.

Depending on the hardware, in P1 for PURESIGNAL you need 4 or 5 RX channels,
all running at 384k. For each receiver, you have 6 bytes per sample, plus
four bytes for the Mic samples ==> up to 34 byte per sample

At 384 k, this makes 13 Mio bytes per second which is larger than 100 Mio bits
per second.

So it is completely clear that you cannot run PS at 384 k in P1 using
a 100 MBit/sec connection. What is so difficult about this simple
calculation?

RedPitaya based SDRs (or any other design with an FPGA/ARM couple) use
standard hardware for the ethernet and thus can do 1GBit/sec in P1,
here PS with 384k should work.

> To view this discussion on the web visit https://groups.google.com/d/msgid/hermes-lite/d6614a52-9338-41b9-b536-2cb055111570n%40googlegroups.com.

[Juergen Hussels]

thanks for pointing out the possible bandwidth issues. 

However I have a dedicated 1 Gbit connection and it works with older versions of Thetis. I currently believe it is a flaw in the Beta 3.

Nothing difficult to calculate. 

[Rick Langford (N8SDR)]

I don't think it so much a bandwidth issue.

as per more of a limitation of the 12-bit ADC..

Well, yes it worked (to some extent in the past at 384) I do not think it works as good as it now does in the latest release.

Also, other variants of Thetis example Scott's version- Clearly displays a message regarding Pure Signal won't operate - if you go above 192 with that version and a Hermes Lite.

Also note when you try to use above 384 with a HL2, there is many times distorted audio.

Again, I don't believe this is limitation of one NETWORK be it 100/1GB but more of limitations available in the 12-bit ADC.

I have 2.5GB on most of the Network here, and the HL2 at 1GB, that setup is more than capable of passing the required data traffic- Also remember the Hermes Lite and HL2 are Protocol 1 they will not that I know of be able to operate at protocol 2

[Reid Campbell]

Hi Juergen,

It is my belief that PS is only specified for 192K sampling. I'm not sure what the limitation is that forces that.

Cheers 

Reid
Gi8TME/Mi0BOT

[Juergen Hussels]

Hi Reid.

I am not blaming you, don't get me wrong. But I see it was working before and now not anymore. Will later today give Beta 4 a trial.

Just what comes to my mind is to have 2 sample rates. One for RX and one for TX. For Rx it is very convient to have a larger portion of an RF band on the screen. For Tx nobody cares.

I am unware what implication that will have and what is possible without spending man years of development.

best regards & 73

Juergen DL4JY 

[Juergen Hussels]

Hi,

just tested the Beta 4, for the PS & 384k it behaves identical - totally distorted. 

When I switch to single cal, everything is perfect. I am not seeing any problems with processor load - and have the HL2 directly connected to the PC - Intel Nuc I5 8th gen.

The Network load drops when I enable PS with 384k sampling rate. The Signal is distorted then.

The network load with the 1Gbit/s is at 4.5%

 The 2nd picture shows the distorted signal

Cheerio 

Jürgen

[Rick Langford]

Using 384cwith pre distortion will mutilate you audio. Mentioned the other day.

It's been that way for some time now. Even in Richie's, Scott's and yes the HL2 versions of thetis when trying to run on a Hermes Lite. 192cid max you can go on sample rate and use pure signal.

It has nothing to do with Reids versions

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[Juergen Hussels]

actually is Beta 2 still working with PS & 384 khz(when changing the Windows date). There are changes in Beta 3&4 in the psform.cs compared to 2.9.06 stable  - i don't have sources from Beta 2 .

Anyway, I am unsure if this is the place to look for. 

73 Juergen