Comments (9)
zuckschwerdt
commented on June 30, 2024
What units are 950 and 1500? Does not sound like temperature or %rh.
Looks like FSK, but one freq is dead center, which is not good. Can you offset by 50 to 100 kHz and record again.
Also, is that signal post-processed? The dynamic range seems strange. Or is that a very low manual gain setting?
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trefnis13
commented on June 30, 2024
Thanks!! Yes, you may be right as this sensor has two modes and when I recorded this sample it was set to physical units i.e. deg C and % of rel. humidity, so in this case values should be around 24C and 45%. As for the dynamic range you are also right, I didn't have a good antenna so the range is poor. I will record new sample with your suggestions tomorrow as I left my dongle at work.
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trefnis13
commented on June 30, 2024
Please find new file containing 8 data-packets. Originally each single packet was separated to another by approximately 30 seconds but to make the file smaller I deleted background signal between them.
RTL-SDR-20240528_162222-433_92MHz-2MSps-2MHz.zip
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zuckschwerdt
commented on June 30, 2024
The signal is still very much at 0 Hz, please offset to e.g. 433.85M.
Also record samples with rtl_433 -S unknown to split the files automatically. And -s 1024k should be sufficient.
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