Questions tagged [wsjt-x]
Software for encoding and decoding FT8
22 questions
3
votes
1
answer
92
views
How do I configure an Icom 910h for WSJT-X?
Does anyone have the WSJT-X and radio settings for an Icom 910h? I am using a Digi-Rig interface. I do know the radio is 19,200 baud. I have ci-v trn turned off and the ic address is 60. Am I missing ...
- 31
1
vote
1
answer
197
views
In WSJT-X my waterfall display is not showing any signals
I had to change hard drives in my PC and now my waterfall display is not working. I DO have control of my IC-7300 via USB. I have connected the audio just like before. Am I missing a special driver or ...
- 11
2
votes
2
answers
553
views
What do the WSJT-X split frequency options actually do under FT8?
Maybe I have this all wrong, but as I understand FT8, we're all communicating within a slice of the band ~3 kHz wide. Within this slice, we each have our own sub-slice, and the location of my slice is ...
- 123
0
votes
2
answers
190
views
FT8 not displaying
Why can't I decode the FT8 when using WSJT-X on HF? At first, it decoded one but then, nothing showed up. I didn't change anything. I can still hear the FT8 signals clearly but the software won't ...
- 805
4
votes
2
answers
235
views
Why is SNR for FT8 defined using the noise power in the 2500 Hz channel containing the FT8 signal?
I see the term "SNR_2500" is often use to make it clear. Is it useful to use this SNR definition in some contexts? Is this kind of convention used in other digital modes or communication ...
- 451
0
votes
1
answer
1k
views
What AGC should I use in an Icom IC-705 when doing FT8 or other digital modes with WSJT-X?
The User Guide for WSJT-X says It is usually best to turn AGC off or reduce the RF gain control to minimize AGC action, but the Icom IC-705 seems not to have an option to turn AGC off, only to set it ...
- 1,401
2
votes
0
answers
656
views
wsjt-x problems with windows 11 Icom 7300 USB sound hangs
Description of problem:
WSJT and JTDX both stop receiving sound after about 2-3 hours when running on Win 11 with ICom 7300.
This did not happen with my Raspberry Pi running the same rig.
The ...
- 21
1
vote
2
answers
163
views
Can only use WSJTX in sudo
I am trying to use WSJT-X to make FT8 Contacts on Pop! OS (Ubuntu-based) and with an IC-7300. I entered all the correct settings into WSJT-X, but it could not connect to my transceiver, and WSJT-X ...
- 33
1
vote
1
answer
339
views
WSJT-X integration with Ham Radio Deluxe not working for automatic logging
I have both Ham Radio Deluxe and WSJT-X configured the way the documentation recommends:
but when a QSO finishes in WSJT-X it's just not logged to HRD. Nothing happens, there's no errors. Any ideas ...
- 1,401
0
votes
0
answers
80
views
No Tx on Wsit-X
Installed Wsit-X on windows 10, it only transmits when I press tune, However, It is not transmitting even when I press Enable Tx or Tx Next or both.
- 1
0
votes
2
answers
72
views
Why does Tone Spacing decrease with increasing T/R Periods in WSJT-X modes?
In various weak signal modes of WSJT-X, the Tone Spacing decreases with increasing T/R Periods. For instance for FST4 / FST4W (as decribed on page 1 of the Quick-Start Guide) we see:
T/R period (s)
...
- 15
2
votes
1
answer
533
views
IC7300 soundcard issues
I have a brand new Dell XPS laptop running windows 11 pro. The rig is an IC7300 which I had running WSJT-x (JTDX) as well as other digi modes using ham radio deluxe fine on an older (10 year old ...
- 21
1
vote
1
answer
1k
views
How to determine the problem with my FT8 TX in WSJT-X?
I am trying to QSO on 17m, 20m, 40m, and 160m with an IC-756PRO.
I’m using WSJT-X in FT8 mode via a CI-V for CAT control and SignaLink for audio. System sound settings appear correct. Control tests of ...
- 255
0
votes
0
answers
273
views
Access problem (?) Ubuntu 22.04 LTS
Radio: FT-991
I work usually in Mint 20.3 Mate;
FLRig, FLDigi, JS8, JTDX, WSJTX all run ufb
Installed a Ubuntu 22.04 LTS (on another Laptop)
Now:
FLRig, FLDigi: after setting permission / Owner - ...
- 57
1
vote
2
answers
9k
views
wsjt-x problems with windows 11
When upgrading from previous version of the windows operating system to windows 11 wsjt-x stops receiving the output from the radio. What should I look for?
- 211
3
votes
1
answer
2k
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Why is IC-7300 transmitting at zero power in "Rig" split mode with WSJT-X and FT8?
I am successfully running FT8 with WSJT-X on Windows 10 with my IC-7300. I am using IC-7300 as the rig.
On reading the official WSJT-X User Guide (and various ...
- 1,089
3
votes
1
answer
554
views
If WSPR can go further than FT8, why do I only see local WSPR signals?
I've been scanning through the bands using WSJT-X to pick up FT8 and WSPR. Using a VHF discone, I decode messages from nearly 10,000 km away, consistently, when listening for FT8. But when switching ...
- 163
1
vote
1
answer
1k
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My radio and audio output keep changing using WSJTX on FT8
TL;DR Laptop keeps switching between Signal Link audio output and speakers. Problem goes away when I turn TX knob down far enough on Signal Link.
I just bought a SignalLink and have it connected ...
- 371
4
votes
2
answers
2k
views
Should I add call signs with /R suffix to the logbook?
Sometimes in FT-8 mode I receive calls like this one:
It happens 2-3 times a week.
The problems are: 1) I never could look up such call signs 2) I tried to reply, but never got answer 3) I don't ...
9
votes
1
answer
918
views
What does CQ NM mean in FT8?
I saw someone on 20m FT8 this morning calling "CQ NM". What does NM mean in this context? They followed the NM with their call and grid as usual.
- 331
5
votes
2
answers
2k
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Long callsigns in WSJT-X?
During the month of May (2018) a lot of Belgian club stations can use callsigns in the format OT70xxx. (The xxx is always 3 letters, for example our club station uses OT70TRA.)
In WSJT-X it seems ...
- 823
4
votes
1
answer
213
views
What does retain mean in the logging of WSJT-X 1.8.0?
If you have automatic prompt for logging on WSJT-X, at the end, you get this dialog:
What does the "Retain" checkboxes do when you check them?
- 1,401