rtl_433 Settings Questions. -Y, Gain Settings?

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jimlawrence

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Has anyone played around with rtl_433, available at GitHub - merbanan/rtl_433: Program to decode radio transmissions from devices on the ISM bands (and other frequencies) ? I've got a few questions regarding some of the settings for the program.

1) What does Bit detection level do? Is there an optimum setting for this? If there is, how do I set it?

2) What does the -Y level=<dB level> switch do? The documentation says it is the Manual detection level used to determine pulses (-1.0 to -30.0) (0=auto) When should I use it?

3) What does the -Y minlevel=<dB level> switch do? The documentation says it sets the Manual minimum detection level used to determine pulses (-1.0 to -99.0) When should I use it and is there an optimum setting for this switch?

4) What a good setting for the gain -g switch? It seems to me I might want to set it pretty high because we're dealing with very weak signals here. Has anyone found a good setting for this?

I'm using a generic RTL2838UHIDIR dongle.

Thank you!!
 
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