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  • DD4WH's Avatar
    03-27-2023, 10:16 AM
    Hmm, I cannot reproduce a problem in playing the WAV files recorded with my code, they play correctly and smoothly with different players on different devices. You may be right that the chunk lengths are...
    21 replies | 642 view(s)
  • DD4WH's Avatar
    03-27-2023, 10:16 AM
    Hmm, I cannot reproduce a problem in playing the WAV files recorded with my code, they play correctly and smoothly with different players on different devices. You may be right that the chunk lengths are...
    293 replies | 26387 view(s)
  • DD4WH's Avatar
    03-24-2023, 09:32 PM
    Hi Bob, thanks for the motivation! :-) will try my very best, although time is quite limited at the moment. Yes, I totally agree, FT8 for emergency communication seems much more useful and interesting than...
    101 replies | 26935 view(s)
  • DD4WH's Avatar
    03-18-2023, 10:25 AM
    Bob, thanks a lot for your detailed answers! I will start my journey by building the original Charlie Hill pocket FT-8 and see how it works and how that deals with SNR. Have not yet looked too much into the code,...
    101 replies | 26935 view(s)
  • DD4WH's Avatar
    03-09-2023, 04:50 PM
    after a restart of the Teensy, it seems the SNR readings are OK! = = = = = SYNC TIME 15 = = = = = FT8 Received TRansmissions, Noise Type=L 0 18:44:26 msg: CQ VU3FGJ MK65 dt=2.72 freq=1271 snr=-21 km=6606 az=104.2...
    101 replies | 26935 view(s)
  • DD4WH's Avatar
    03-09-2023, 03:07 PM
    Mark & Bob, independently from our conversation, a few days ago I read about Farhans sbitx for the first time! Very exciting and also very interesting that the DSP-10 also follows a superhet approach. I read your...
    101 replies | 26935 view(s)
  • DD4WH's Avatar
    03-06-2023, 09:08 PM
    Just thinking loud: if I integrate the FT8 class as-is into the Teensy Convolution SDR, it would run all the time even if it is not used. And if the user increases the sample rate (I regularly use 256ksps), it could...
    101 replies | 26935 view(s)
  • DD4WH's Avatar
    03-06-2023, 06:11 PM
    Bob, tried today to receive and decode FT8 with your FT8Receive function. I use my Teensy Convolution SDR and a magnetic loop indoor antenna for reception and production of FT8 audio, and I feed the audio to another...
    101 replies | 26935 view(s)
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About DD4WH

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About DD4WH
Location:
Central Europe
Interests:
Software Defined Radio, Digital Signal Processing, Bat detection & bioacoustics

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Teensy guestbook - No sound when play wav file on my computer 03-27-2023 10:16 AM
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10-25-2015