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

Guatemala IGN GPS Network - ZACA-Municipalidad de Gualan P.S.
Start: 27-Jul-2010
End: 03-Oct-2013
DeMets, Charles, Cosenza-Muralles, Beatriz, 2021, Guatemala IGN GPS Network - ZACA-Municipalidad de Gualan P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/6CC4-6X31