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

CALIPSO GPS Network - RCHY-Roach's Yard P.S.
Start: 27-Apr-2012
End: 14-Nov-2022
Mattioli, Glen, 2012, CALIPSO GPS Network - RCHY-Roach's Yard P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5707ZSJ