interpreting RSSI data

chittnp · 06-20-2004

Ok, Being a newb, I have a few questions about how to interpret RSSI data given in Netstumbler and other stumbling programs. as far as I can tell, RSSI is the signal strength of the AP. so how do I tell by the RSSI where the AP is, etc. any help or link to another web page or thread would be great. thanks

wrzwaldo · 06-20-2004

Might I suggest a search of these forums?

chittnp · 06-21-2004

well, maybe im not asking the right question, as I understand it, RSSI is another measure of the SNR, and the closer you are to 0 the better, correct?

also for the GPS function in netstumbler, does it point out the location of the AP, or your location when you discovered the AP?

fordem · 06-21-2004

Actually RSSI is Relative Signal Strength Indicator - SNR can sometimes be derived from the RSSI - these topics have been discussed before - search.

G8tK33per · 06-21-2004

Quote:

Originally Posted by chittnp

also for the GPS function in netstumbler, does it point out the location of the AP, or your location when you discovered the AP?

It's the location of the GPS unit at the time NetStumbler reports the response from an AP.

wrzwaldo · 06-21-2004

Quote:

Originally Posted by G8tK33per

It's the location of the GPS unit at the time NetStumbler reports the response from an AP.

Or in the case of a remote antenna it would be the location of said antenna. Which for consumer grade GPSR's is usually one and the same.

chittnp · 06-21-2004

Ok, thanks for the info, common sense told me that was the case with the GPS, but you never know untill you ask. Even after I searched the forums for both SNR and RSSI, I still dont really understand, so if s/o could point me inthe direction of a good FAQ or tutorial I'd appreciate it

06-20-2004	#1 (permalink)
chittnp Registered Member Join Date: Jun 2004 Posts: 45	interpreting RSSI data Ok, Being a newb, I have a few questions about how to interpret RSSI data given in Netstumbler and other stumbling programs. as far as I can tell, RSSI is the signal strength of the AP. so how do I tell by the RSSI where the AP is, etc. any help or link to another web page or thread would be great. thanks

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06-20-2004	#2 (permalink)
wrzwaldo I amuse you? Join Date: Dec 2003 Posts: 9,127	Might I suggest a search of these forums?

06-21-2004	#3 (permalink)
chittnp Registered Member Join Date: Jun 2004 Posts: 45	well, maybe im not asking the right question, as I understand it, RSSI is another measure of the SNR, and the closer you are to 0 the better, correct? also for the GPS function in netstumbler, does it point out the location of the AP, or your location when you discovered the AP?

06-21-2004	#4 (permalink)
fordem Tropical Stumbler Join Date: Apr 2002 Posts: 575	Actually RSSI is Relative Signal Strength Indicator - SNR can sometimes be derived from the RSSI - these topics have been discussed before - search.

06-21-2004	#7 (permalink)
chittnp Registered Member Join Date: Jun 2004 Posts: 45	Ok, thanks for the info, common sense told me that was the case with the GPS, but you never know untill you ask. Even after I searched the forums for both SNR and RSSI, I still dont really understand, so if s/o could point me inthe direction of a good FAQ or tutorial I'd appreciate it