Re: v3 software, alpha is here
I will try manual logging to entries. I do it all the time on cw, let me try it on ft8 today.
On Sat, Nov 18, 2023, 12:30 AM HA3HZ < gyula@...> wrote: I am using Sbitx_v3.
Today I had two connections that the program created a LOG file before that would have ended with 73 or RRR.
And before that, I couldn't get it to create a LOG, even though all the data is present. See image IK4LZH.
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Gyula HA3HZ
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Re: v3 software, alpha is here
Gyula, The code triggers a log entry upon exchange of signal reports. This has been a long pending request by many people on the wsjtx-dev group. The idea of RRR/RR73/73 is to prevent retransmission from the called party of the return signal report (which starts with R, like R-13). -f
On Sat, Nov 18, 2023, 12:30 AM HA3HZ < gyula@...> wrote: I am using Sbitx_v3.
Today I had two connections that the program created a LOG file before that would have ended with 73 or RRR.
And before that, I couldn't get it to create a LOG, even though all the data is present. See image IK4LZH.
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Gyula HA3HZ
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Re: v3 software, alpha is here
I just did the update, and other than needing to install libopus-dev everything went smoothly. I love the new layout.
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Re: v3 software, alpha is here
Has a signal strength?meter or LED display been added to the v3 or does the swr display double as a signal strength indication? G0RCL
On Fri, 17 Nov 2023 at 19:00, HA3HZ < gyula@...> wrote: I am using Sbitx_v3.
Today I had two connections that the program created a LOG file before that would have ended with 73 or RRR.
And before that, I couldn't get it to create a LOG, even though all the data is present. See image IK4LZH.
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Gyula HA3HZ
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Re: sBITX V2 TX no output
Hello Ashhar,
I have a sBitx-Radio Serial No.418
No, I don't see any modulation while speaking.
Also there is no transmission on FT8, CW.
Drive settings 50%, 100% no response
With software version 1 everything is OK!
73 Hajo
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thanks for those insights.? ?Fascinating the choices designers make! gordon kx4z
On Fri, Nov 17, 2023 at 11:52?AM Ashhar Farhan < farhanbox@...> wrote: The KX3 is a direct conversion transmitter. It has a single oscillator at the tx frequency. It will have no spurs, only the harmonics, and the push-pull power chain can null the 2nd order harmonics very well. The reason we didn't opt for it was that the IMD as well as the images are not very well controlled. For instance, on sbitx the opposite sideband is non existant. On kx3, -55dbc is your best case. - f
Thanks very much, Bob!? ?Those look like they generally agree with what I found (after correcting for the problems with D20/D21).? ?You and I also see some increase in the noise spectrum around the fundamental, and some spurs that are right around the limit, but the low pass filters are doing a fine job on the harmonics.? ? Thanks also for including the KX3 for comparison!
Great job!
Gordon KX4Z
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The KX3 is a direct conversion transmitter. It has a single oscillator at the tx frequency. It will have no spurs, only the harmonics, and the push-pull power chain can null the 2nd order harmonics very well. The reason we didn't opt for it was that the IMD as well as the images are not very well controlled. For instance, on sbitx the opposite sideband is non existant. On kx3, -55dbc is your best case. - f
Thanks very much, Bob!? ?Those look like they generally agree with what I found (after correcting for the problems with D20/D21).? ?You and I also see some increase in the noise spectrum around the fundamental, and some spurs that are right around the limit, but the low pass filters are doing a fine job on the harmonics.? ? Thanks also for including the KX3 for comparison!
Great job!
Gordon KX4Z
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Thanks very much, Bob!? ?Those look like they generally agree with what I found (after correcting for the problems with D20/D21).? ?You and I also see some increase in the noise spectrum around the fundamental, and some spurs that are right around the limit, but the low pass filters are doing a fine job on the harmonics.? ? Thanks also for including the KX3 for comparison!
Great job!
Gordon KX4Z
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Bob, Thanks for the thorough comparisions. Very often, we are at the limits of measurements with these instruments. A professional Rigol 815 is my priced possession though I often get by with just the Antuino. - f
On Fri, Nov 17, 2023, 9:55 PM Bob Benedict, KD8CGH < rkayakr@...> wrote: I uploaded to the files section a pdf on what I have been seeing while measuring the spectrum output of my sBITX V2. Nothing I have is officially calibrated and I am not an RF engineer, so take it with a large grain of salt.
Constructive comments welcome.
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73
??? Bob? KD8CGH
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I uploaded to the files section a pdf on what I have been seeing while measuring the spectrum output of my sBITX V2. Nothing I have is officially calibrated and I am not an RF engineer, so take it with a large grain of salt.
Constructive comments welcome.
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73
??? Bob? KD8CGH
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File /KD8CGH spectrum/measuringSpectra.pdf uploaded
#file-notice
The following files and folders have been uploaded to the Files area of the BITX20@groups.io group.
By: Bob Benedict, KD8CGH <rkayakr@...>
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Re: sBITX V2 TX no output
Hajo, Which radio do you have? Can you see the yellow modulation as you speak? What is the drive settings. - f
Problems with my sBitx Swv 2 and 3!
Everything OK in Swv 1!
Reception is OK!
Transmission is without modulation.
PTT switches, TX output = 0
Any idea?
Please help
vy73 Hajo DL8DH
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Problems with my sBitx Swv 2 and 3!
Everything OK in Swv 1!
Reception is OK!
Transmission is without modulation.
PTT switches, TX output = 0
Any idea?
Please help
vy73 Hajo DL8DH
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A classic mistake for a first radio is to go qrp. Instead, a used 100 watt HF radio from Yaesu or Icom would be best. People will come back to your calls, even a suboptimal antenna will do. - f
On Fri, Nov 17, 2023, 8:11 PM Len Matulewicz < lenjmat@...> wrote: Go! I have other radios. In the shack I have a Yaesu 450D and VHF Kenwood . Also one in my vehicle. I'm just looking for a project to build and then use out in the field. A learning thing.
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I have other radios. In the shack I have a Yaesu 450D and VHF Kenwood . Also one in my vehicle. I'm just looking for a project to build and then use out in the field. A learning thing.
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I have other radios. In the shack I have a Yaesu 450D and VHF Kenwood . Also one in my vehicle. I'm just looking for a project to build and then use out in the field. A learning thing.
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This is not a starter radio.?
It will make you think far less of the hobby.?
This is a constant work in process, fun to many, but be aware you will spend more on support and upgrade crap than the radio. UBITX v6 is what I have. Added AGC. Added a used digital noise reduction. Added a auto tuner.?
K9ZZU
I have been looking for a small HF radio to go portable with. After doing much searching I found these kits and decided this was my start. I have many questions about the thing and I'm researching all I can to better understand them. I know very little about the workings of these units but I am learning. Got to start somewhere. I enjoy putting together electronics kits and this one will be fun. To be portable with this thing, I'm not sure what type of antenna I should use. I'm thinking NVIS EFHW to pretty much stay local for now, when out and about. I'm also thinking 40 meters would be a good goal and 80 meters is another? but that's another thought to figure out. I see there are many mods that can be done and it would be nice to upgrade the screen but at this point it may be to far out of my knowledge. I always join groups that deal with my interests and this looked like the place for this radio.
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I have been looking for a small HF radio to go portable with. After doing much searching I found these kits and decided this was my start. I have many questions about the thing and I'm researching all I can to better understand them. I know very little about the workings of these units but I am learning. Got to start somewhere. I enjoy putting together electronics kits and this one will be fun. To be portable with this thing, I'm not sure what type of antenna I should use. I'm thinking NVIS EFHW to pretty much stay local for now, when out and about. I'm also thinking 40 meters would be a good goal and 80 meters is another? but that's another thought to figure out. I see there are many mods that can be done and it would be nice to upgrade the screen but at this point it may be to far out of my knowledge. I always join groups that deal with my interests and this looked like the place for this radio.
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Re: Fun with gdb and sbitx
#sBitx
b option.
We already do this, I'm just working on cleaning up the code and may be make it useful to others.
This is the backend API and UI we use in our system:
- Rafael
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On 11/16/23 20:08, Dave, N1AI wrote: On Thu, Nov 16, 2023 at 12:43 PM, Rafael Diniz wrote:
my specific goal, to be clear, is to decouple the UI and features
from the low level radio control, so then to allow other software
to also be able to run without constraints (like the one posed by
the alsa loopback).
I'm still curious but I'm not sure I understand, do you want to:
1. use sbitx's user interface code to control a different radio
2. use a different UI to control sbitx's radio
3. both (a) and (b)
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Re: v3 software, alpha is here
Installed and build on a v2 sbitx. Sometimes the rx does not start. Also sound quits randomly. When this happens the speaker icom shows like is muted. When is receiving correctly, everything works like it should.
Keep on the great work!!!
WP3DN
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Jim Myers
Bob Benedict, KD8CGH