Thanks Boris,
The reason I asked is because I see that KSWF is being transmitted, ergo my
question.
Appreciate it,
Mike
On Mon, Nov 21, 2022 at 3:01 PM Boris A. Konon <trwplusa@xxxxxxxxx> wrote:
> Mike,
>
> Good question!
>
> Any AWOS installed these days is non-Federal, so it is funded privately
> either by the owner of an airport, a private company (such a hospital
> for their heliport), or the state. There are additional costs involved
> (1000s of dollars a year I believe) to establish longline communications
> to WSMCR and add these site to NADIN (National Airspace Data
> Interchange Network). This allows the site's METARs to be transmitted to
> NOAAPort, AIDAP (FAA line primarily for NOTAMs), and other aviation
> communication services.
>
> It is up to the owner of the AWOS to fund NADIN hook-up, and AWOS
> vendors always try to sell this service. Some AWOS upon commissiong
> immediately have NADIN service paid for (KW40 was a recent example)
> so their METARs show up right away. Over the last 20 years or so,
> I have noticed more and more AWOS have been getting NADIN service,
> whether it be brand new sites, or sites that have been installed for years.
> Currently, I know of about 240 AWOS unit installed in the U.S., but do not
> have NADIN service yet. There are likely several dozen more at least I do
> not
> know of at any one time. The 240 number used to be a lot higher (~500)
> years ago.
>
> As to when new sites show up? There is no centralized site or agency
> that tracks this that I know of. It is just a matter of scanning METAR
> collectives and flagging the new sites with a program.
>
> Additions to NADIN are usually on a Tue or Thu, often in the 28 and 56
> day FAA database update cycle, but I have seen additions every day of
> the week.
>
> For international new METAR sites, often I see additions on the 1st of
> the month and that is seperate from the NADIN process, and more tied
> to what is distributed on GTS and what a country chooses to add. There
> are many, many more METAR, and TAF and SYNOP sites for that matter,
> that exist all over the world that we do not see on NOAAPort for any
> number of reasons, but with time, more and more have been added. esp.
> SYNOP sites.
>
> Boris
>
> On Mon, Nov 21, 2022 at 1:19 PM Michael Graf - NOAA Federal <
> michael.graf@xxxxxxxx> wrote:
>
>> Afternoon Boris...what's this mean? "just do not
>> have NADIN service at this time."
>>
>> Thanks,
>> Mike
>>
>> On Mon, Nov 21, 2022 at 1:00 PM Boris A. Konon <trwplusa@xxxxxxxxx>
>> wrote:
>>
>>> Some of these already have AWOS units installed, but just do not
>>> have NADIN service at this time.
>>>
>>>
>>>
>>>
>>> *KASG KBAK KBCT KBYH KCHD KCNW KDPG KEFD KEMT KEVBKGEU KGYR KHSA KOMN
>>> KOQU KPAO KPOC KRHV KSCH KSWFKTIX KTOA KWHP PADG PAGB PAKU PALJ PALP PAPR
>>> PAPTPGRO PGWT PHHN PHJH PHMU PKMR PTSA PTTP TJBQ TJIG*
>>>
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>>
>>
>> --
>> Michael L. Graf
>> Meteorologist/International Liaison
>>
>> National Weather Service
>> SSMC-2 Station 13314
>> 1325 East West Highway
>> Silver Spring MD 20910
>>
>> work 301-427-9109
>> fax 301-713-1520
>> cell 304-268-0691
>>
>>
--
Michael L. Graf
Meteorologist/International Liaison
National Weather Service
SSMC-2 Station 13314
1325 East West Highway
Silver Spring MD 20910
work 301-427-9109
fax 301-713-1520
cell 304-268-0691
