[AusNOG] Bandwidth in Phillip Island

[Thomas Sulkiewicz]

I don't think laser will work, you'll find that as soon as it rains or it's a humid day, you'll lose connectivity.

You can use a point to point 2.4ghz bridge, but it would have it be mounted high, a 6km distance over water will have quite a large Fresnel zone that will need to be taken into account. 
It will still be susceptible to rain, fog, and humidity, but nowhere near as much as laser.  

Thomas Sulkiewicz
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-----Original Message-----
From: ausnog-bounces at lists.ausnog.net [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Adam Nock
Sent: Thursday, 3 May 2012 6:00 PM
To: 'Jake Anderson'
Cc: ausnog at ausnog.net
Subject: Re: [AusNOG] Bandwidth in Phillip Island

Very good point.

One possible source of information could be other businesses in the area?
See if you can find one that could conceivably have a similar requirement and ask them if they found a solution?

Never know, someone might be nice enough to provide a good hint :)

Regards
Adam

-----Original Message-----
From: Jake Anderson [mailto:yahoo at vapourforge.com] 
Sent: Thursday, 3 May 2012 3:57 PM
To: Adam Nock
Cc: 'Mark Newton'; Martin Visser; ausnog at ausnog.net
Subject: Re: [AusNOG] Bandwidth in Phillip Island

I imagine that could have some issues with weather.

On 03/05/12 17:55, Adam Nock wrote:
> Laser maybe?
>
> Havent used it or ever seen it used, but this:
> http://www.ita-systems.com/html/products/laser/p/4/12.html
> Promises 10Mbit at 6km.
>
> Don't consider this an endorsement though. I was just bored and googling :)
>
> -----Original Message-----
> From: ausnog-bounces at lists.ausnog.net [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Mark Newton
> Sent: Thursday, 3 May 2012 3:29 PM
> To: Martin Visser
> Cc: ausnog at ausnog.net
> Subject: Re: [AusNOG] Bandwidth in Phillip Island
>
> On Thu, May 03, 2012 at 05:23:49PM +1000, Martin Visser wrote:
>
>   >  Probably a long shot (literally) but it only looks to be around 6km across>  the water to the mainland. If you have line-of-sight, and can find a a>  friendly patron, you might be able to get a 802.11 type of point-to-point>  bridge setup for not a lot of money (connecting to land-line based service).
>
> Over-water shots are problematic (microwaves reflect off ripples on the water, leading to pretty extreme unreliability, packet loss, etc)
>
> You'll need very tall masts and a lot of output power.
>
>   >  Hardware can be had for less than a few hundred dollars at each end.
>
> Probably not for the output power you'd need (I suspect you'd be into the territory of needing a spectrum license, which makes the equipment pricier too)
>
>    - mark
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