>From my dead brain the LQ is nothing more than a percentage repsentation of
the signal/noise ratio.

Saying your connected at 1mbit/sec, the sb radio's have something like
a -92dBm receive level.

40% of -92 = -36.8 dBi
(-92) - (-36.8)dBi = -55.2dBi on your RSSI

70% LQ means that the noise is somewhere around -80.96dBi  The closer the
noise level get's to -55.2 dBi, the closer to 0% it gets to.

I'm not totally sure on this.. but it's something like this.. I've been up
all night working on stuff and I'm very tired right now..

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Andrew Watkins
Sent: Sunday, August 24, 2003 4:35
To: [EMAIL PROTECTED]
Subject: [smartBridges] RSSI and LQ


I have been running some tests at ranges between .5km and 3km

At .5km the RSSI stays consistent at 100% and LQ is 98%.
At 3km the RSSI stays consistent at 40% but LQ fluctuates between 0% and
70%.

I am using the following:
aPPOTotal ----> aBOTotal
aPPOTotal ----> aPPO c/w 9db MobileMark corner reflector

As I am in the UK, the internal antenna on the Totals is 9db

Any comments on why the LQ is so erratic?

Thanks

Andy Watkins

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