[HamWAN PSDR] VOTE: 900MHz service experiment

[Bart Kus]

We have:

$46.76 in PayPal
$901.33 in the bank
($542.62) owed on the CC

--Bart


On 3/6/2015 10:41 AM, Ryan Elliott Turner wrote:
> Can we get an update on financials? Idk what the books look like 
> currently.
>
> On Fri, Mar 6, 2015 at 12:38 PM, Bart Kus <me at bartk.us 
> <mailto:me at bartk.us>> wrote:
>
>     Hello,
>
>     5.9GHz is awesome when it works.  The speeds are great, and it
>     carries as far as the eye can see with very low ambient noise
>     floor.  It does however have problems when it needs to penetrate
>     trees and buildings.  To alleviate this, I'd like HamWAN to offer
>     a slower but deeper penetrating 900MHz service.  900MHz is the
>     lowest frequency ham band without bandwidth or modulation rate
>     restrictions.  Before we deploy a full cell site, I'd like to get
>     some real-world experience with 900MHz penetration, propagation
>     and ambient noise conditions.  Here's the cheapest appropriate
>     hardware we can use for this:
>
>     1x Vpol omni antenna @ $79.50/ea = $79.50
>     (http://www.balticnetworks.com/laird-antenna-omni-8dbi-900mhz-n-female-integrated.html)
>     2x 9HPn modem @ $108.00/ea = $216.00
>     (http://www.balticnetworks.com/mikrotik-metal-9hpn.html)
>     1x Shipping @ $UNKNOWN (quote not showing?!  Need to call them.) =
>     $40.00 ???
>
>     Total: $335.50
>
>     I already have a 900MHz high gain Yagi-Uda in my inventory and can
>     use that to do various field tests.  These can be directly
>     compared against 5.9GHz performance since the gear will be
>     deployed to one of our existing 5.9GHz cell sites. The results of
>     such comparisons will give us a good idea of how well 900MHz might
>     do for HamWAN.
>
>     Disclaimer: These may not be the right modems or antennas for us
>     long-term.  A real deployment might use Ubiquiti Rocket M900 with
>     their sector antennas.  These Ubiquiti items are far more
>     expensive though, and their software doesn't integrate as easily
>     into our network, so for the purposes of the test I believe the
>     set of hardware I proposed will do well at deploying fast and
>     keeping costs down.
>
>     NOTE: If both the votes are approved, I will combine shipping from
>     Baltic to save money.
>
>     --Bart
>
>     _______________________________________________
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>
>
>
>
> -- 
>
> Ryan Turner
>
>
>
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