[teqc] qc of L5 for GPS and Galileo

Lou Estey lou at unavco.org
Tue Sep 2 07:50:38 MDT 2008


Ambrogio Maria Manzino wrote:
> Dear Lou,
> how do you think abuout  "Andrew Simsky" method, to evaluate phase 
> multipath for three frequency - phase signals?
> http://www.insidegnss.com/pdf/IGM-0806-038-041.pdf
> With best regards,
> Ambrogio

Well, someone will probably jump all over me, but I don't see any
major changes for what we do and need to know for quasi-static sites.
In fact, right out of the article:

"Because two frequencies are sufficient to estimate ionospheric
errors, the third frequency does not add any new geometric information;
it provides only an independent set of multipath and tracking errors."

--lou

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