Re: APPM Model sanity check (suggestion)

Ray Gralak

Hi John,

I switched from APPM to APCC and was surprised to find that the older (now verified) model was active.
APPM / APCC had re-enabled pointing and tracking corrections.
A Verify measures but does not modify the loaded pointing model. To do that, it turns on pointing and tracking rate corrections.

1. Does APCC / APPM have a built-in criteria for how good a model Verify run should be before re-
enabling pointing and tracking corrections?
No, it just measures pointing errors.

2. Does APCC always enable pointing and tracking corrections after a Verify run regardless of how large /
small the pointing errors were?
APPM turns on pointing and tracking corrections at the start of a Verify run, leaving them on afterward.


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