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Hi Gregory, this firmware is amazing!? Here is an idea for some of the developers.? What about some limited JS8 functionality.? I find JS8 helpful when doing POTA/SOTA and there is no cell signal to spot.? Or the ability to send JS8 to APRS for SMS messages.? Some sample strings that can be pre-loaded and edited.? With the radio already doing FT8, I am sure its more than capable.

@APRSIS CMD :APSPOT ? :! POTA K-TEST 7100 SSB TEST SPOT via APSPOT over JS8

@APRSIS CMD :SMS ? ? ?:@5555555555 TESTING JS8 TO SMS{1

Also, I have found these APRS messages over JS8 seem to be very particular on # of spaces and things like that.

Anyway, just an idea that maybe makes it on to the backlog.

Mike KD2UWR

Just some observations:
* Output power with external power supply jumps to 7W, without - only to 5W (looks like limiting)
* ALC always 100 without external power supply.
* Waterfall without external power supply looks dirty a bit.

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I would check next:

* connect headphones to s/p,

* set monitor to 0 (here you can see audio spectrum/scope).

It might be an power line? interference from output audio amplifier to input, not sure.

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Georgy // R2RFE

On Fri, Dec 13, 2024 at 08:35 PM, Franco Venturi wrote:

Perhaps, if Georgy is interested, we could use the newer buildroot for some future version of the X6100 R1CBU/R2RFE firmware instead of having two versions.

I guess, I'll use your version in one of the future build, but maybe not for the next one. I'm stuck in refactoring and falling deeper and deeper))

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Georgy // R2RFE

Sounds like RF getting back into the radio. Have you tried it with a dummy load or another antenna? You might need more choking in the cables. I see one on each cable but that may not be enough.

Plugging in the DC cable might be acting as some extra grounding.

You can also go into radio settings 1 and turn moni level down to 0 as a temporary solution.

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My original x6100 led flashed while charging. Recently purchased a replacement after the old one developed a fault. The led stays on while charging with the new one but it does charge. Mine charges with original and R1CBU firmware. You may have a fault with the battery or charging circuit.

Hi!

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It's very nice to see development still going strong..

I have been away from the hacking scene and radio in general for a while, it makes me happy to see the projects have taken off. Thanks for doing this.

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This has far surpassed what I could envision. My only contributions were the very basics of the LCD driver (I did a skeleton of a DRM driver and Oleg reverse engineered all the register values), and did the very basic to get a buildroot started. Again Oleg did many fine tuning on the .dtb and other settings. He the mostly did the library for interfacing with the uC and then all the well known firmware he publishes now.

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It does sadden me to see some of the things didn't go public. After all, there is something called the GPL. I wish that would change.

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Anyway, thanks for keeping the project going.

73, Rui

This is very interesting.

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This is very much the problem I am having as well, but with stock firmware. I just created another thread about a problem with audio on Tx on battery and it might be due to low voltage of the battery. The led also stays permanently on... Very interesting... Wonder if there is something on with the charging circuitry or if it needs some way to be reset or something...

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It has crossed my mind to maybe try and open the radio, charge the battery with an external charger, and then close it to see if the BMS would wake up. Maybe too low of a voltage of it to even charge?

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I would need new screws, the ones on my radio are already worn out hehe.

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So, ideas to reset the BMS? Anything is welcome.

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73,

Rui Oliveira, CT7ALW

Hi everyone,

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My Xiegu X6100 has a very weird issue. If it's running on an external power supply it works fine but if it's working on battery then it makes an unbearable noise on Tx.

I recorded a small video demonstrating the problem:

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Does anybody have any idea what could be the issue?

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Any tips appreciated.

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Thank you, and 73.

Rui Oliveira, CT7ALW

Hi to all,

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I've noticed some problems regarding charging X6100 internal battery while using firmware R1CBU/R2RFE 0.28.

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Battery was weak (7V or so) so I decided to charge overnight with OEM charger unit. Switched "charger on" in the R1BCU firmware, set power off and then inserted OEM charger unit. Green LED starts, but not flashing, was permanently on. (This normally means "battery full"...) But left it charging anyway.

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Next day when I get the charger off and started the X6100, the internal battery was completely empty. By switching off the DC, the transceiver suddenly shut down.

So tried new charge cycle using OEM firmware (1.1.9 / 1.1.8), but with the same result. Green LED is still glowing permanently and the battery does not charge. Power supply shows a consumption of only 0.9 Watts, too less.

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What happenend? Battery damaged while charging? Issue with battery management??

Firmware problem? Should we set "charge on" with R1CBU or OEM firmware or both??

What means "charger shadow" in the R1BCU fimware?

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Anyone out there who has experienced such a case?

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Thanks for any advice

73 / 72 – Uli DK9TZ

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Markus,

thanks for giving it a try and reporting the issue with FT8 and CW decoding.

I am going to look at that over the weekend.

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Jason,

since Markus was able to build it on Debian, which is very similar to Ubuntu (I use Fedora here), if you post the exact error message you had when trying to build it, we might be able to help you. Perhaps it is just a missing dependency.

Once we figure out the problem, I'll also add a note about that in the README.

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73,

Franco K4VZ

I have the same set up. I will experiment to see if I can shed some light.? ?BTW, how are you measuring the output to the antenna??

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KD9YKI - Mike

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Hi Franco,

i have sucessfully build with the updated buildroot on Debian sid.

A first small test showed it boots without problems and start, but FT8 and CW decode don't work.

FT8 has only a black background without waterfall and nothing is decoded.

All other things seem to work.

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73 de Markus, DB2ZW

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I have a newbie question for the users here who have both th X-6199 and the XPA125B. I bought the X-6100 a few months ago and have been doing very well with 10 Watts but decided to treat myself to an early Christmas present, the XPA125B. With 1/2 watt in I'm getting 80 or 90 watts out or so. Its working good. My question is when I'm in bypass mode is it ok to use 10W into the amp on bypass and not cause damage to the amp? My second question and an observation, with the amp powered OFF and using 10 watts I'm not seeing but a few watts out to the antenna not the full 10W I have the X-6100 set to. Do I need to always have the amp powered on and in bypass mode to use just 10 watts?

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Thank you in advance.

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Terry W5HEX

I tried to launch WSJT-x based code and it takes about 15 seconds to decoding on x6100.
Also I measured quality of ft8lib - it can decode ~ 80% of messages from results of WSJT-x.

Regarding SNR - WSJT-x and ft8-lib uses different logic to calculate SNR - so values might vary.

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Georgy // R2RFE

Jason,

it will probably be in a few days - this morning I just found a couple of bugs, where the profile has the environment variables 'PAGER' and 'EDITOR' set to invalid paths ('/bin/less' instead of '/usr/bin/less', and 'mcedit', if I remember correctly).

Plus I have a full time job (in lunch break now) and a family.

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Perhaps, if Georgy is interested, we could use the newer buildroot for some future version of the X6100 R1CBU/R2RFE firmware instead of having two versions.

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73,

Franco K4VZ

Gregg,

you may want to read this message that John Seamons (ZL/KF6VO, of KiwiSDR fame) recently posted to the NextGenSDRs group about the difference in performance (and usage of CPU resources) between ft8lib and WSJT-X: /g/NextGenSDRs/message/2735

The CPU resource comparison by Howard Su is also interesting: /g/NextGenSDRs/message/2737

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I imagine their considerations for the Web-888 also apply to low power CPUs like the one inside the X6100.

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73,

Franco K4VZ

I just received a -18 with v 28.

Thanks for the effort in this development Franco!

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Can you setup Github so that it will compile the releases like Georgy does? I followed the instructions on my WSL Ubuntu 24.XX environment, but it croaked. Some may not have a dedicated development environment, or have talents well suited to troubleshooting compile errors.

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Great work on getting the base-OS updated!

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73,

Jason - W5JMT

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Just wondering if the signal reports on FT8 are correct or is it just the software is not able to decode below -11.? -11 seems to be the weakest signals I can receive.? If I switch and run WSJT I can get decoded reports of -22.

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Inquiring minds would like to know.

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However I just love be able to run FT8 and FT4 in a single radio unit including logging.? Love it and use it a lot.

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73, Gregg W9DHI

Hello Jose!

Could you provide TRV settings you use? Screenshot/description… whatever.?

By default x6100 is not set to use with 70mhz TRV.?

73 de Jarek SP9HGN