WSPR mode crashes after 20 minutes.

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Roman Melnyk - VE2RMJ

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Jan 28, 2026, 4:35:52 PMJan 28
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Hi, I have an issue with sparksdr in wspr mode, after about 20 minutes it crashes both on raspberry pi and on windows version as well. Here is the exit error code. I hope this helps tp determine what the issue is, The radio is a radioberry on a raspberry pi. Like I said, running sparksdr locally on PI and also the windows version connected remotely, same issue after 20 minutes.



116 -34 -0.0  14.097216  0  N9VP FM06 23
<DecodeFinished>
2118  43 -0.3  14.097102  0  VE2RMJ FN35 20
<DecodeFinished>
System.FormatException: The input string 'null' was not in a correct format.
   at System.Number.ThrowFormatException[TChar](ReadOnlySpan`1)
   at SparkSDR.Models.PskrMQTT.ToSpot(ReadOnlySpan`1)
   at SparkSDR.Models.PskrMQTT.<>c__DisplayClass9_0.<ReceiveAsync>b__2()
   at Avalonia.Threading.DispatcherOperation.InvokeCore()
   at Avalonia.Threading.DispatcherOperation.Execute()
   at Avalonia.Threading.Dispatcher.ExecuteJob(DispatcherOperation)
   at Avalonia.Threading.Dispatcher.ExecuteJobsCore(Boolean)
   at Avalonia.Threading.Dispatcher.Signaled()
   at Avalonia.X11.X11PlatformThreading.CheckSignaled()
   at Avalonia.X11.X11PlatformThreading.RunLoop(CancellationToken)
   at Avalonia.Threading.DispatcherFrame.Run(IControlledDispatcherImpl)
   at Avalonia.Threading.Dispatcher.PushFrame(DispatcherFrame)
   at Avalonia.Threading.Dispatcher.MainLoop(CancellationToken)
   at Avalonia.Controls.ApplicationLifetimes.ClassicDesktopStyleApplicationLifetime.Start(String[])
   at SparkSDR.Program.Main(String[])
romanm@RaspBerryPi:/ $ 

ahop...@googlemail.com

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Jan 28, 2026, 4:38:57 PMJan 28
to SparkSDR
The version here should fix that
let me know if it does not
73 Alan M0NNB

Roman Melnyk - VE2RMJ

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Feb 1, 2026, 9:52:13 AM (11 days ago) Feb 1
to SparkSDR

Problem resolved. Version 2.0.995 works perfectly in WSPR mode. Excellent
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