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FT8 confusion with numerous slices

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Member ✭✭
edited November 2023 in Third-Party Software

Hi all

While using the 6700 over the past few days I started wondering about something I'm seeing.

I'm running 4 Slices all with the identical settings on the same frequencies.

Running WSJT-x v2.6.1 each slice often has different stations showing up in different order the times are all the same, sometimes there might be a 1 dB difference and a color difference.

My ADIF FILE rescan correct on all the WSJT x and the colors are verified all the same on settings. dbm signal on all Slices are the same as well.

Only item I can figure is a timing issue on the decodes from Radio to computer via my LAN connection.

It will show up with 2 slices as well. Has anyone else looked into this???

Thanks

Ian

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Comments

  • Member ✭✭✭✭

    Are all slices on the same SCU (RX Antenna)?

    If not, different RX antennas will have different RX results.

    Alan. WA9WUD

  • Member ✭✭

    Alan

    Same RX Antenna with the same signal in DBM with all Slices.

    Puzzling issue and I'm just curious if it's just timing.

    Ian

  • Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin

    This sounds correct.

    This is how WSJT and Windows process the data as received and it is possible, that WSJT, all different 4 copies, are processing them in different order. To be sure, it isn't a radio thing, but more a Windows thing as Windows is not a real time operating system (but, it sure is fast).

    It is called a preemptive operating system. It does 1 thing at a time. This is why you are seeing slightly different results.

  • Member ✭✭

    Thanks Mike

    Makes sense it always looked like some type of timing issue.

    Ian

    KM4CQG

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