[MLB-WIRELESS] World Wifi record
mw at freenet.net.au
mw at freenet.net.au
Tue Jan 3 17:37:24 EST 2012
That was most likely because the ubiquiti had airmax enabled ;-)
But yes – using the same brand gear on both ends means that you /can/ take advantage of the vendor’s own proprietary extensions! :-)
Cheers.
From: melbwireless-bounces at wireless.org.au [mailto:melbwireless-bounces at wireless.org.au] On Behalf Of Peter Buncle
Sent: Tuesday, 3 January 2012 2:28 PM
To: vk3pb at optusnet.com.au; vk3jed at vkradio.com; melbwireless at wireless.org.au
Subject: Re: [MLB-WIRELESS] World Wifi record
In this test , make sure you use like radios
As illustrated on a testing bbq at Mike's in geelong where a like radio achieved a ccq of 100% over 100klm and another on the same antenna would barely link.
Cheers
Peter
----- Original Message -----
From: Peter Berrett <vk3pb at optusnet.com.au>
To: Peter Buncle; vk3jed at vkradio.com <vk3jed at vkradio.com>; melbwireless at wireless.org.au <melbwireless at wireless.org.au>
Sent: Tue Jan 03 11:21:16 2012
Subject: Re: [MLB-WIRELESS] World Wifi record
I have taken down my Ubiquity Bullet M2 and my slotted waveguide (modified)
They should work well for this exercise as the Bullet is quite sensitive. I will try and test the antenna today.
cheers Peter
----- Original Message -----
From: Peter Buncle <mailto:peter at nmc.net.au>
To: vk3pb at optusnet.com.au ; vk3jed at vkradio.com ; melbwireless at wireless.org.au
Sent: Tuesday, January 03, 2012 10:17 AM
Subject: Re: [MLB-WIRELESS] World Wifi record
One point here,
The wireless speed's are what they are.
Ie the minimum speed is 1mbs using a wifi protocol.
I would want to have a calculated min of -85 before an onsite test.
Peter
----- Original Message -----
From: Peter Berrett <vk3pb at optusnet.com.au>
To: Peter Buncle; vk3jed at vkradio.com <vk3jed at vkradio.com>; melbwireless at wireless.org.au <melbwireless at wireless.org.au>
Sent: Mon Jan 02 12:52:16 2012
Subject: Re: [MLB-WIRELESS] World Wifi record
Ok Let's do a sample calculation now based on the actual equipment I own
I'll use the calculator at
http://www.afar.net/rf-link-budget-calculator/
We'll assume that the setup at Binunyong has the maximum power output made up of 30db gain dish plus 8db power output and -2db cable loss = 36 dbm maximum legal power
At my end on Mt Dandenong a 24 dbm ex galaxy dish plus 14 dbm power and allow 2dbm cable loss with a Ubiquity bullet with -95 db receiver sensitivity @ 1Mb/s
That should give a receive signal strength of -84.3 dbm with a fade margin of 10.7db
Not a huge margin to play with but arguable doable. The Ubiquity will probably do 256kbs at -100 or -105dbm so that should give a bit more elbow room.
cheers Peter
----- Original Message -----
From: Peter Buncle <mailto:peter at nmc.net.au>
To: Peter Berrett <mailto:vk3pb at optusnet.com.au> ; vk3jed at vkradio.com ; melbwireless at wireless.org.au
Sent: Monday, January 02, 2012 11:41 AM
Subject: RE: [MLB-WIRELESS] World Wifi record
Hi Peter,
If you’re talking about the grids with the gold anodized aluminum, 24db
The ex galaxy ones with a width of around 600mm, they are 24db too.
Kind Regards
Peter
________________________________
From: Peter Berrett [mailto:vk3pb at optusnet.com.au]
Sent: Monday, 2 January 2012 11:18 AM
To: Peter Buncle; vk3jed at vkradio.com; melbwireless at wireless.org.au
Subject: Re: [MLB-WIRELESS] World Wifi record
By the way Peter
What gain do those ex Galaxy slatted dishes have?
cheers Peter
----- Original Message -----
From: Peter Buncle <mailto:peter at nmc.net.au>
To: vk3jed at vkradio.com ; vk3pb at optusnet.com.au ; melbwireless at wireless.org.au
Sent: Monday, January 02, 2012 9:54 AM
Subject: Re: [MLB-WIRELESS] World Wifi record
Hi tony
The north and south 2.4 antennas are facing wwn and wws. They are only 14db panels the range isn't suitable for record attempts.
BUT I did pickup gho north in the past at the geelong side with the horizontal pol wave guide !
So it does work well.
Keep me informed of your schedule as I'm happy to help out with the melbourne region end.
Cheers
Peter
----- Original Message -----
From: melbwireless-bounces at wireless.org.au <melbwireless-bounces at wireless.org.au>
To: Peter Berrett <vk3pb at optusnet.com.au>; MW Wireless <melbwireless at wireless.org.au>
Sent: Mon Jan 02 07:33:14 2012
Subject: Re: [MLB-WIRELESS] World Wifi record
At 11:02 PM 1/1/2012, Peter Berrett wrote:
>Just repeating an earlier question I put on the list.
>
>Does anyone know the exact angles that the north and south 2.4 mhz beams are
>pointing at GHO?
>
>What direction are they pointing?
Does anyone know the noise floor there too?
73 de VK3JED / VK3IRL
http://vkradio.com
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