Re: Question on range testing

V-pol omnis wont work very well.  I would suggest using 2 patch antennas 
from www.hyperlinktech.com.  Youll get better signal, lower noise as well as 
solve the polarization issue.

tyler

Tyler van Houwelingen
Founder and CEO
Azulstar Networks, Inc.
1051 Jackson, Grand Haven, MI 49417
1117 Rio Rancho Blvd 13, Rio Rancho, NM 87124
1-877-AZULSTAR
www.azulstar.com
----- Original Message ----- 
From: "Robert Hubley" <[email protected]>
To: "SeattleWireless Talk List" <[email protected]>
Sent: Monday, June 06, 2005 2:58 PM
Subject: Re: Question on range testing


>
> The omni's are vertically polarized.  Would you recommend mounting the 
> antenna
> 90 degrees ( sideways ) or locate a horizontally polarized antenna??
>
>
> Tyler van Houwelingen wrote:
>
>> you will need to run the antennas in horizontal polarization for links 
>> over water.  this will make all the difference.
>>
>> tyler
>>
>>
>>
>> Tyler van Houwelingen
>> Founder and CEO
>> Azulstar Networks, Inc.
>> 1051 Jackson, Grand Haven, MI 49417
>> 1117 Rio Rancho Blvd 13, Rio Rancho, NM 87124
>> 1-877-AZULSTAR
>> www.azulstar.com
>> ----- Original Message ----- From: "Robert Hubley" 
>> <[email protected]>
>> To: <[email protected]>
>> Sent: Monday, June 06, 2005 2:37 PM
>> Subject: Question on range testing
>>
>>
>>>
>>> We have been attempting to test the range of two Engenius 2511 200mw 
>>> cards
>>> over water.  Unfortunately we have not been able to setup a reliable 
>>> test platform.
>>> ( ie. sometimes I can't get it to connect when it's 10 feet away! ). 
>>> What we have
>>> are:
>>>
>>> 2 - Engenius 2511 EXT 200mw pcmcia cards
>>> 1 - BitsyX ( Soekris-like embeded linux board ) with pcmcia slot
>>>       running wireless-tools and hostap drivers.
>>> 1 - Windows 2K laptop with windows Engenius drivers loaded ( + cygwin
>>>      package for tools like scp etc ).
>>> 2 - 15db Omni antennas
>>> 1 - 15db Panel antenna
>>>
>>> Software setup:
>>>
>>>  BitsyX:  iwconfig wlan0:
>>>                             mode: ad-hoc
>>>                               essid: "bitsyX"
>>>                            encryption: None
>>>                ifconfig wlan0:
>>>                           ip: 10.0.0.1
>>>                      bcast: 10.0.0.255
>>>                         gw: 10.0.0.1
>>>
>>>  Windows:    "bitsyX" appears in available networks when the two units
>>>                       are close together.  Added "bitsyX" to preferred 
>>> network list ( only one ).
>>>                       TCP/IP for the wireless card:
>>>                                   ip: 10.0.0.2
>>>                               bcast: 10.0.0.255
>>>                                 gw: 10.0.0.2
>>>
>>> When the planets align ( which is most of the time in our house ) we can 
>>> ping
>>> the embedded computer from windows.  This is a relatively calm ( radio 
>>> signal )
>>> environment where only one other wireless network exists.
>>> When we go to our test site ( lots of other wireless equipment in the 
>>> area ) we
>>> run into connectivity problems ( cannot even ping the other computer ).
>>> The interesting thing is the imbedded computer "sees" lots of ap's in 
>>> and around the
>>> general geographical region of the windows box.  Although the signal 
>>> levels are in
>>> the -70 to -80 range.    The windows box is useless....as the drivers 
>>> don't appear to
>>> tell you correctly what "networks" it can see or an accurate signal 
>>> level
>>> ( it appears to cache them from when the computer's were close 
>>> together ).
>>> Ok...so you can see our frustration.  My direct questions are:
>>>
>>>  1. Could it be that setting up ad-hoc mode with no encryption is 
>>> allowing other
>>>      wireless devices in the area to "steal" one of my test devices and 
>>> thus not
>>>      allowing a connection?  I thought it was sufficient to set the 
>>> ESSID to something
>>>      agreed upon and most likely unique.
>>>
>>>  2. Are there any nice tools for monitoring the real status of the 
>>> wireless
>>>      card on a windows box and monitoring what it can "see"  in real 
>>> time?
>>>
>>>  3. Are there any standard configurations used in this type of "bridge"
>>>      range tests?
>>>                                   BTW....we tested over Elliot Bay ( 
>>> Myrtle Edwards/Elliot Bay Park to Hamilton Viewpoint Park
>>> in West Seattle ).  4 meters off the water.  One panel antenna and one 
>>> omni.  Also tried
>>> both omni.  Saw lots of networks over in Magnolia from West Seattle ( 
>>> all locked down ).
>>>
>>> Any pointers would be greatly appreciated,
>>>
>>> -R
>>>
>>>
>>> -- 
>>>
>>> "irreligous progressive liberal!"
>>>
>>> irreligious = "not controlled by religious motives or principles"
>>> progressive = "favoring improvement, change, progress, reform"
>>> liberal = "Not narrow or contracted in mind; not selfish"
>>>
>>> Sign me up for irreligious progressive liberal status right away, these 
>>> are all the things I've always wanted to be!
>>>
>>> -Alan Partridge
>>>
>>> Look!
>>> I just want sharks with frikken laserbeams attached to their heads!
>>>
>>>
>>> _______________________________________________
>>> Talk mailing list
>>> [email protected]
>>> http://seattlewireless.net/mailman/listinfo/talk
>>>
>>
>> _______________________________________________
>> Talk mailing list
>> [email protected]
>> http://seattlewireless.net/mailman/listinfo/talk
>
>
>
> -- 
>
> "irreligous progressive liberal!"
>
> irreligious = "not controlled by religious motives or principles"
> progressive = "favoring improvement, change, progress, reform"
> liberal = "Not narrow or contracted in mind; not selfish"
>
> Sign me up for irreligious progressive liberal status right away, these 
> are all the things I've always wanted to be!
>
> -Alan Partridge
>
> Look!
> I just want sharks with frikken laserbeams attached to their heads!
>
>
> _______________________________________________
> Talk mailing list
> [email protected]
> http://seattlewireless.net/mailman/listinfo/talk
> 

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