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[df6nm]

PS: DL0AO is now running a series of one-hour recordings with 137.5 kHz dial and 480 Hz samplerate, i.e. 137.50 to 137.74 kHz band. At 100x speed, each one will be good for 36 seconds of speech. To avoid interference to WSPR and FW stations, longer tests should preferrably take place above 137.6 kHz.

73, Markus

[df6nm]

PS2: Instead of the hex editor, you can simply change the "File samplerate [Hz]" entry at the top of the SpecLab file-analysis requester, e.g. from 480 to 48000.

73, Markus

[R2BM]

Vielen Dank an Marcus für die Audiodatei und die detaillierte Erklärung der Slowvoice-Dekodierungstheorie. Ich denke, viele fanden den Artikel hilfreich.

73! Alex R2BM