I'm in the middle of ground school and the topic is weather. We've been given a description and examples of ASOS and AWOS information, as well as ATIS.
ATIS is, of course updated every hour, and given an identifier at each update, i.e. "information Alpha".
ASOS is updated every minute. The first assignment was to call the local airport (KGOK) ASOS and get the information, including time.
The second assignment was to call a nearby airport (KPWA) ASOS and get the info. I noticed, however, that PWA's ASOS is only updated hourly, similar to an ATIS. But, it is not given an identifier.
Could someone please explain why one is updated every minute, and the other only hourly? They are both automated systems.
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