The following information obtained from UNAVCO's online DOI system:
(https://www.unavco.org/data/doi/search/search.html)

Guatemala IGN GPS Network - COAT-Coatepeque P.S.
Start: 07-Jul-2010
End: 08-Jun-2015
DeMets, Charles, Cosenza-Muralles, Beatriz, 2021, Guatemala IGN GPS Network - COAT-Coatepeque P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/Y1VV-N178