[CUWiN] node signal strength drop

Sascha Meinrath sascha at ucimc.org
Mon Mar 21 11:50:16 CST 2005

On Sun, 20 Mar 2005, Bill Comisky wrote:

> We've had 2-3 of our nodes begin to suffer from reduced signal strength, 
> a significant drop of 15dB or so, to where the node is essentially 
> non-functional.  Preliminary investigation on one of them looks like a 
> problem with the antenna; my first guess is maybe a bad solder joint 
> that the the cold/heat has opened up.
> We're using the Hyperlink HGV-240xU antennas: 
> http://www.hyperlinktech.com/web/antennas_2400_out_omni.php
> As we're getting ready make another antenna buy, I'm interested to 
> compare experience with CUWiN'ers or others using these antennas to see 
> if anyone has seen similar problems, or can suggest alternative omni 
> antennas which are inexpensive and robust, with 4-8 dBi gain.
> I'll report back as we investigate further, if we can definitively 
> determine what's causing the signal drop.

Definitely keep us posted.  If you figure out the point of failure, it 
would be good to disassemble the node that used to be at Zach's and see if 
we can find the same problem.


Sascha Meinrath
President                 *   Project Coordinator   *   Policy Analyst
Acorn Worker Collective  ***  CU Wireless Network  ***  Free Press
www.acorncollective.com   *   www.cuwireless.net    *   www.freepress.net

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