text: To select our sample, we identiﬁed objects in the 
  calibrator list that were also classiﬁed as BL Lacs or 
  FSRQs by the Candidate Gamma-Ray Blazar Sur- 
  vey [6, CGRaBS]. Of the 243 total objects in the 
  calibrator list, 171 (35 BL Lacs and 136 FSRQs) 
  have positive blazar class identiﬁcations, although 
  there are three sources (J0238+166, J0428-379, and 