[MLB-WIRELESS] Success with GHO

[Peter Buncle]

Your game stumbling on the roof today :P

My GHO link is down , a poe adaptor has just died this weekend.

That's the third dlink one that died, don't think I'll get those again.

I notice that linksys have some poe adaptors that are pretty cheap.

Might give them a try.

Peter
 

-----Original Message-----
From: melbwireless-bounces at wireless.org.au
[mailto:melbwireless-bounces at wireless.org.au] On Behalf Of Peter Berrett
Sent: Sunday, 30 September 2007 4:56 PM
To: Brenton D.
Cc: melbwireless at wireless.org.au
Subject: Re: [MLB-WIRELESS] Success with GHO


Hi again

I just finished have a stumble around on my roof with my new high gain
antenna.

1. GHO = -70db (able to connect very well) 2. No sign of IKM 3. Plenty
of Aps picked up in all directions 4. Picked up Ivile-pwns-boronia at
-90 to -95db (horizontal)

Strangely at one point I picked up a second Ivile signal which seemed
stronger (-70db) but disappeared.Maybe I was wrong - not sure?

Regards Peter



Brenton D. wrote:
> ah okay cool, yeah my link to gho is down atm, as its still running in

> ap mode to see if you can get a signal.
>
>
> ----- Original Message ----- From: "Peter Berrett" 
> <berrettp at optusnet.com.au>
> Cc: <melbwireless at wireless.org.au>
> Sent: Sunday, September 30, 2007 3:27 PM
> Subject: [MLB-WIRELESS] Success with GHO
>
>
>> Hi all
>>
>> I have modified the 24db Galaxy dish I purchased off Peter B. and 
>> created a new dipole to drive the antenna. I compared it to my 
>> cantenna (estimated gain 12 db) and there is definently an 
>> improvement of 8-10 db over the cantenna.
>>
>> One interesting discovery was the polarisation of the feed.  The 
>> reflector is like a series of copper pieces each about 1.5 cm wide 
>> with a similarly sized gap between each. These gaps are quite long
(>10 cm).
>> Initially I polarised the feed perpendicular to the copper strips  
>> but the results were disappointing. When however I polarised the feed

>> parrallel to the strips the results were significantly improved. Thsi

>> seems counter-intuitive to me.  I suspect that if I was to put some 
>> aluminium fly screen over the gaps berween the strips I would get 
>> even more gain. Because the gaps exceed 1/10 of a wavelength it 
>> probably is not a perfect faraday cage.
>>
>> I had no problem logging in to GHO although I noted that several 
>> nodes I had bookmarked on my laptop were unavailable.  This may be 
>> due to the cloud that has been hanging around Mt Dandenong affecting 
>> some of the links?
>>
>> I shall try and see if I can get through to FUT today with the Galaxy

>> Antenna from my location (JXG) . It would be tempting to go up to Mr 
>> Dandenong and see what kind of range one can get with an antenna like

>> this.
>>
>> cheers Peter
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>
>
>

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