I guess your link is either weak under normal circumstances or you are
barely making the fresnel zone and when the temp goes up, the link starts to
flutter.  I'd try to put one of the ends up 10 feet, check connections,
shorten cables, pray to the gods etc.

Cheers Nigel

Nigel Ballard
[EMAIL PROTECTED]
www.joejava.com
 


-----Original Message-----
From: Loren Zemenick [mailto:[EMAIL PROTECTED] 
Sent: Monday, June 16, 2003 8:50 AM
To: [EMAIL PROTECTED]; 'Wireless'
Subject: RE: [BAWUG] Why might a 5 mile link degrade during hot weather?


Nigel,

The link does not cross over water. The ground terrain is composed of
rolling hills with approximately 10% tree cover.

Loren Zemenick

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Nigel Ballard
Sent: Monday, June 16, 2003 8:31 AM
To: 'Wireless'
Subject: [BAWUG] Why might a 5 mile link degrade during hot weather?


Are you going over water at all?

N

Nigel Ballard
[EMAIL PROTECTED]
www.joejava.com



-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Loren Zemenick
Sent: Monday, June 16, 2003 8:17 AM
To: Wireless
Subject: [BAWUG] Why might a 5 mile link degrade during hot weather?


I have a 5 mile 802.11b link that works fine until air temperatures exceed
around 85 F. Over a period of about an hour, the percentage of missed pings
grows from zero to 100 percent. Link endpoints are Linksys WAP11 (ver 2.6)
configured as a point-to-point bridge with 24 Dbi horzontally polorized
antennas.  The WAP11's and power supplies have been cooled with no effect.
Some trees are in the Frenel zone.  The problem happens weekdays and
weekends. With WAP11's I don't know of a way to measure signal strength or
quality.

Does anyone have any suggestions as to what might be causing the outage or
how to troubleshoot the problem?

Regards,
Loren Zemenick

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