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

Jalisco GPS Network - PENA-US Gypsum Mine at Pena Colorada P.S.
Start: 31-Jan-2007
End: 14-Nov-2022
UNAVCO Community, DeMets, Charles, 2007, Jalisco GPS Network - PENA-US Gypsum Mine at Pena Colorada P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5K35S10

Jalisco GPS Network - PENA-US Gypsum Mine at Pena Colorada P.S.
Start: 31-Jan-2007
End: 10-Nov-2015
DeMets, Charles, 2007, Jalisco GPS Network - PENA-US Gypsum Mine at Pena Colorada P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T51R6NMX

TLALOCNet - PENA-PENA-TNET-MX2015 P.S.
Start: 10-Nov-2015
End: 14-Nov-2022
UNAVCO Community, 2015, TLALOCNet - PENA-PENA-TNET-MX2015 P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5891464