Re: Prism Monitoring header signal portion to dBi

From: Vincas Ciziunas (
Date: 2002-07-02 18:56:45 UTC

Yeah, but doesn't dBm allow for negative values? All of these are positive.

On Tue, 2 Jul 2002, Gerald Britton wrote:

> On Tue, Jul 02, 2002 at 12:27:12PM -0400, Vincas Ciziunas wrote:
> > How would you convert the signal portion of the prism monitoring header to
> > dB/dBi ?? If this is not possible, what units is that data in?
> I've wondered this. charted a few sample points and it looks to be an almost
> linear relationship to the dBm read off with iwconfig for that location.
> but it's tricky to tell. I notice that the values returned in the header are
> different from those returned in the comms quality mibs. I think this changed
> in a firmware update at some point :| ..
> -- Gerald

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