[HamWAN PSDR] City of Kirkland

Daniel Luechtefeld daniel.luechtefeld at gmail.com
Sun Jul 15 21:27:02 PDT 2018


What are the details of the IP telephony architecture? Is there any
documentation?

Daniel, K7DGL


On Sun, Jul 15, 2018, 22:20 Carl <carl at n7kuw.com> wrote:

> Josh,
>
>
>
> I agree with the recommendation by Tom Hayward for the mANT30 antenna with
> RB912.  You can add (or not add) a radome to that. The radome can help
> reduce interference with a second dish if you end up setting up two links.
> You may or may not find it more aesthetically acceptable with the radome, a
> matter of personal preference – but that might be a factor in getting your
> City to accept it.
>
>
>
> You will need true line of sight (visual, clear path) to one of the HamWAN
> sector locations. For a second dish, you’ll need the same to a second
> sector. Google Earth can give you a good start in determining if you have
> line of sight, followed by visit to your rooftop with binoculars. Lastly,
> once you feel confident you have a shot, invite someone with a dish or
> panel to visit with you and do a test shot.  Is your City Hall at 123 5th
> Ave, Kirkland? It looks like a two story building at that address? If so,
> it looks like you should be able to shoot to Capitol Park (in Seattle) and
> to Haystack. See attached.
>
>
>
> When ordering the routerboard, you need to be very careful to make certain
> you order the international version.  The US version is not capable of
> being tuned to the necessary frequencies to shoot to a HamWAN sector.  Some
> vendors will require you to sign a form acknowledging FCC rules for use of
> those frequencies, and provide a reference to, or copy of, your ham license
> before shipping you an international version.
>
>
>
> The run from the HamWAN dish/routerboard to your radio room is outdoor
> rated Cat5e Ethernet cable. No coax runs are required (they exist only
> between the routerboard and the LNB on the dish).
>
>
>
> Something further to consider once you have HamWAN is adding IP telephony
> at your EOC.  We currently have that capability at the Seattle EOC, the
> Snohomish County EOC, a couple of hospitals. We will soon have it at
> Washington State Emergency Management Division at Camp Murray. There is
> little hope at the present time to get it at King County RCECC due to tower
> constraints and lack of line of sight.  Of course, IP telephony can be
> added without the HamWAN link, but the whole idea for emergency
> communications is to have a totally independent communications link outside
> of commercial interconnectivity.
>
>
>
> All good stuff to think about. Many here are happy to help you formulate
> your thoughts and ideas for presenting to your emergency management office.
>
>
>
> Carl Leon, N7KUW
>
>
>
> *From:* PSDR [mailto:psdr-bounces at hamwan.org] *On Behalf Of *Joshua Saran
> *Sent:* Sunday, July 15, 2018 3:32 PM
> *To:* Puget Sound Data Ring
> *Subject:* Re: [HamWAN PSDR] City of Kirkland
>
>
>
> Thank you! A 2nd dish will be in the plan, since it will be going straight
> down to the radio room in the EOC.
>
> - Josh Saran - N7WPM
>
>
>
>
> On Jul 15, 2018, at 2:27 PM, <rob at nr3o.com> <rob at nr3o.com> wrote:
>
> Josh,
>
>
>
> If your location supports it, a 2nd dish can be used for a redundant path
> to a separate “cell” site should there be temporary problems with one.  A
> good backup for major disasters.  A single will definitely get you started
> though.
>
>
>
> Cheers,
>
> Rob Salsgiver – NR3O
>
>
>
> *From:* PSDR <psdr-bounces at hamwan.org> *On Behalf Of *Joshua Saran
> *Sent:* Sunday, July 15, 2018 2:05 PM
> *To:* Puget Sound Data Ring <psdr at hamwan.org>
> *Subject:* Re: [HamWAN PSDR] City of Kirkland
>
>
>
> Thank you so much! I will look into it and report back.
>
> - Josh Saran - N7WPM
>
>
>
>
> On Jul 15, 2018, at 2:00 PM, Tom Hayward <tom at tomh.us> wrote:
>
> On Sun, Jul 15, 2018 at 1:58 PM Edward Cukiernan <ecukierman at gmail.com>
> wrote:
>
> I believe the client hardware page is pretty up to date for the equipment
> you will need:
>
>
>
> https://hamwan.org/Standards/Component%20Engineering/Client%20Hardware.html
>
>
>
> Thanks Ed, you took the words right out of my mouth. For a city hall, I'd
> lean for a more professional-looking installation with optimal performance.
> Check out the third row at this link, the mANT30 antenna with RB912.
>
>
>
> Tom KD7LXL
>
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