[MVMA] Recent upgrade DARA <> MVHS 13.5 miles

[Chuck Gelm]

> On Nov 25, 2018, at 15:25, Chuck Gelm <nc8q-mesh at gelm.net 
> <mailto:nc8q-mesh at gelm.net>> wrote:

> After this success, there seems to be some discussion about creating a 
> DARA <> XWARN link.

This success was HUGE for the MVMA. We now have an all RF path from 
XWARN in North Xenia all the way up through DARA to AE8I near Tipp City… 
but with no redundancy. If the MVMA MVHS or MVMA W Xenia Water tank 
sites go down, the XWARN site is orphaned, as are any AUXCOMM stations 
deployed in Xenia.

With a DARA <> XWARN link, the MVMA would have a redundant triangle 
consisting of DARA (B-Road), MVMA (MVHS), and XWARN (North Xenia) sites.

<image removed>


> .... I'd recommend high gain dishes (~27 dBi) and 28 dBm transmitters 
> at each end.

The newly AREDN-supported MikroTik grid reflector nodes I previously 
recommended off list for this application meets those specs.

https://www.streakwave.com/itemdesc.asp?ic=LHG-XL-HP5

That’s the international version but it appears the US version may cover 
our channels with AREDN firmware.

> Is XWARN interested?

   Is MVMA interested?

This isn’t just for XWARN. It provides a redundant DARA B-Road <> MVMA 
MVHS path if one of the nodes in that link go down. It provides a link 
from MVMA MVHS through DARA to the MVMA W Xenia water tank site if one 
of the nodes in that MVMA link go down.*It benefits the MVMA*, which 
includes DARA and XWARN. It’s not us vs them.

N8ADO, KA8ZKR, and I are XWARN members. I can’t speak for them, but I am 
interested, as should be anyone who cares about AUXCOMM, especially in 
the Xenia tornado target zone. XWARN funding would have to be discussed 
and approved at a meeting.

*Considering the benefits, the MVMA as a whole should be interested.* I 
suggest we address this at the next meeting.

—
Moe
73 de AB8XA






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