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Phil-
, …
Andrew O'Brien
5
Jun 10
SDC & AETHERSDR
Here is my issue , 73 de Andy K3UK On Monday, June 8, 2026 at 3:56:27 AM UTC-4 ur4ix....@gmail.com
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SDC & AETHERSDR
Here is my issue , 73 de Andy K3UK On Monday, June 8, 2026 at 3:56:27 AM UTC-4 ur4ix....@gmail.com
Jun 10
John Simmons
,
UT4LW Yuri Pavlov
2
Jun 9
Mixer
John, please show us a screenshot of your settings. When does the program crash? вторник, 9 июня 2026
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Mixer
John, please show us a screenshot of your settings. When does the program crash? вторник, 9 июня 2026
Jun 9
UT4LW Yuri Pavlov
Jun 6
RIG Audio & SmartSDR 4.2.xx
The new DAX driver introduced in version 4.2.18 affects the operation of the SDC-RIG Audio system.
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RIG Audio & SmartSDR 4.2.xx
The new DAX driver introduced in version 4.2.18 affects the operation of the SDC-RIG Audio system.
Jun 6
Kuba SP5NZF
, …
Jakub Rusiecki
3
Jun 4
v.19.06x64 unstable on w11 ?
I've done eliminations on 19.0612 (current) - the crash/shutdown is due to COM SPIDER. In
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v.19.06x64 unstable on w11 ?
I've done eliminations on 19.0612 (current) - the crash/shutdown is due to COM SPIDER. In
Jun 4
Kuba SP5NZF
, …
Jakub Rusiecki
4
Jun 4
N1MM Spectrum
Now N1MM read it, says it recognises bandwidth (see 96kHz on pic) but it squeezes it to much less
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N1MM Spectrum
Now N1MM read it, says it recognises bandwidth (see 96kHz on pic) but it squeezes it to much less
Jun 4
John Simmons
,
UT4LW Yuri Pavlov
2
Jun 3
Feature request: UDP radio broadcast
Please see manual: Contest > Broadcast среда, 3 июня 2026 г. в 17:20:29 UTC+3, john.h...@gmail.com
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Feature request: UDP radio broadcast
Please see manual: Contest > Broadcast среда, 3 июня 2026 г. в 17:20:29 UTC+3, john.h...@gmail.com
Jun 3
Paul w2eck
, …
UT4LW Yuri Pavlov
7
May 31
No Creeping Lines In One Band ?
Paul, please attach screenshots of the windows so we can understand the problem. Try to understand
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No Creeping Lines In One Band ?
Paul, please attach screenshots of the windows so we can understand the problem. Try to understand
May 31
Robi IU2NUB
May 31
449 It doesn't save configuration changes.
The latest version .0612 doesn't save or allow me to save changes to my configurations. For
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449 It doesn't save configuration changes.
The latest version .0612 doesn't save or allow me to save changes to my configurations. For
May 31
Antonio d'arpino
May 30
dx color in the spectrum
Good morning everyone, Is there a way on SDC to highlight a new band and mode in a different color
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dx color in the spectrum
Good morning everyone, Is there a way on SDC to highlight a new band and mode in a different color
May 30
PHIL
,
UT4LW Yuri Pavlov
2
May 28
What is the process for new releases of SDC?
Phil, a major (cumulative) release is released, for example, 19.06. Then changes are made to the
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What is the process for new releases of SDC?
Phil, a major (cumulative) release is released, for example, 19.06. Then changes are made to the
May 28
Tyler Stewart
,
UT4LW Yuri Pavlov
2
May 27
RX AUDIO mixing between two 6600Ms
Tyler, you can connect any number of transceivers to the SDC and open as many New QSO windows as you
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RX AUDIO mixing between two 6600Ms
Tyler, you can connect any number of transceivers to the SDC and open as many New QSO windows as you
May 27
duncan elliott
,
UT4LW Yuri Pavlov
2
May 26
logging power in contests
Hi In which file would you like to see the "POWER" column, and what should it look like?
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logging power in contests
Hi In which file would you like to see the "POWER" column, and what should it look like?
May 26
Jim Selmi
,
UT4LW Yuri Pavlov
2
May 20
RTC PIN # entry
Hi. See here: среда, 20 мая 2026 г. в 20:49:33 UTC+3, jim....@gmail.com: Hi Yuri, I'm thinking of
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RTC PIN # entry
Hi. See here: среда, 20 мая 2026 г. в 20:49:33 UTC+3, jim....@gmail.com: Hi Yuri, I'm thinking of
May 20
donato cardarelli
,
UT4LW Yuri Pavlov
2
May 18
SO2R headphone switch
I don't know how it works in SCT, but SDC has a lot of features for managing audio in SO2R, 2BSIQ
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SO2R headphone switch
I don't know how it works in SCT, but SDC has a lot of features for managing audio in SO2R, 2BSIQ
May 18
Luc Fontaine
,
UT4LW Yuri Pavlov
3
May 18
4 issues observed lately with SDC v19.0604
Thanks Yuri for your quick response as always 1-I think it could be an option at least but yeah,
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4 issues observed lately with SDC v19.0604
Thanks Yuri for your quick response as always 1-I think it could be an option at least but yeah,
May 18
Vincent Lecler
,
UT4LW Yuri Pavlov
2
May 17
EU PSK Contest
Thank you, Vincent. I've added this file to the SDC-Contest internal database. ... See also:
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EU PSK Contest
Thank you, Vincent. I've added this file to the SDC-Contest internal database. ... See also:
May 17
Jonny Majava
,
UT4LW Yuri Pavlov
9
May 14
macros hook
Thank you, Jonny. I'll fix that bug. четверг, 14 мая 2026 г. в 13:36:08 UTC+3, sm7...@gmail.com:
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macros hook
Thank you, Jonny. I'll fix that bug. четверг, 14 мая 2026 г. в 13:36:08 UTC+3, sm7...@gmail.com:
May 14
Rich G4ZFE
,
UT4LW Yuri Pavlov
5
May 13
SDC Datamodes on MacoS
Hello Yuri, Many thanks! The new SDC build fixed my issue. I have RTTY working now on macOS using
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SDC Datamodes on MacoS
Hello Yuri, Many thanks! The new SDC build fixed my issue. I have RTTY working now on macOS using
May 13
David Beran
May 12
microham Station Master connect SDC
HI, Has anyone solved the connection to the microham station master? I think it could work via OTRSP.
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microham Station Master connect SDC
HI, Has anyone solved the connection to the microham station master? I think it could work via OTRSP.
May 12
Luc Fontaine
,
andrea fruch
2
May 12
VOLTA RTTY DX contest
new version. Then choose the contest again and redo the Cabrillo file
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VOLTA RTTY DX contest
new version. Then choose the contest again and redo the Cabrillo file
May 12
Phil-
,
UT4LW Yuri Pavlov
2
May 9
SDC Skimmer RTTY does not syncronize with the Flex8k6
If the contest uses a single modulation type, the contest module will automatically control the
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SDC Skimmer RTTY does not syncronize with the Flex8k6
If the contest uses a single modulation type, the contest module will automatically control the
May 9
Tyler Stewart
,
UT4LW Yuri Pavlov
4
May 8
Is there support for using a Microham U2r for SO2R audio switching?
Hi Tyler When SDC-Contest was created, the goal was not to make a copy of N1MM. The main concept of
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Is there support for using a Microham U2r for SO2R audio switching?
Hi Tyler When SDC-Contest was created, the goal was not to make a copy of N1MM. The main concept of
May 8
Wilson C
,
UT4LW Yuri Pavlov
3
May 4
Loss of PSK and RTTY TX audio on Flex
Try v19.0605 воскресенье, 3 мая 2026 г. в 20:41:51 UTC+3, UT4LW Yuri Pavlov: Hi Wilson SDC does not
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Loss of PSK and RTTY TX audio on Flex
Try v19.0605 воскресенье, 3 мая 2026 г. в 20:41:51 UTC+3, UT4LW Yuri Pavlov: Hi Wilson SDC does not
May 4
Roger Cooke
, …
ray2.s
3
Apr 29
Off-air data practice program
Roger, to quote your own fond CW advice,..... Practice, practice practice, with SDC in this case, ...
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Off-air data practice program
Roger, to quote your own fond CW advice,..... Practice, practice practice, with SDC in this case, ...
Apr 29
Martin, LU5DX
2
Apr 27
Multi Op and audio recordings
Found it. Tnx, Martin, LU5DX On Monday, April 27, 2026 at 3:41:37 PM UTC-3 Martin Monsalvo - LU5DX
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Multi Op and audio recordings
Found it. Tnx, Martin, LU5DX On Monday, April 27, 2026 at 3:41:37 PM UTC-3 Martin Monsalvo - LU5DX
Apr 27
Paul w2eck
,
UT4LW Yuri Pavlov
2
Apr 27
Close Skimmer 2
Create several profiles: for one, two, ten... skimmers. To switch quickly, simply select the
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Close Skimmer 2
Create several profiles: for one, two, ten... skimmers. To switch quickly, simply select the
Apr 27
Tom -KQ5S
,
UT4LW Yuri Pavlov
2
Apr 27
CW in Split Mode
Tom, the split feature isn't implemented in SDC-Contest yet, but I plan to add it. It's not
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CW in Split Mode
Tom, the split feature isn't implemented in SDC-Contest yet, but I plan to add it. It's not
Apr 27
Luc Fontaine
,
UT4LW Yuri Pavlov
3
Apr 23
QSO Parties
Ok but how to make them publicly available? Is there a repository for User contest files? Luc Le jeu.
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QSO Parties
Ok but how to make them publicly available? Is there a repository for User contest files? Luc Le jeu.
Apr 23
Wilson C
Apr 19
Logging FT8 from external program
Hi, I am using a Flex 8600 and smartsdr. I have been taking part in the PACC contest which is a RTTY
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Logging FT8 from external program
Hi, I am using a Flex 8600 and smartsdr. I have been taking part in the PACC contest which is a RTTY
Apr 19
Ruben Navarro Huedo (EA5BZ)
Apr 18
ExpertSDR3 and TCI Callback ... How?
Hello my friends. I am trying to configure the TCI Callback function with ExpertSDR3. Are you using
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ExpertSDR3 and TCI Callback ... How?
Hello my friends. I am trying to configure the TCI Callback function with ExpertSDR3. Are you using
Apr 18