Perryville is the 20th lodge. Fcc search reflects about 17 locations but Maryland did not come up under the Great Wolf name.
But GWR did come up for their PA location and that FRN reflects the MD location
FCC FRN: 0033077462 (GWR Opn Lessee PA LLC)
www.radioreference.com
Great Wolf Maryland
FCC Callsign WRVM676 (GWR Opn Lessee PA LLC)
www.radioreference.com
Try the 452, 462 and 464 freqs listed. Licence does reflect Motorola MOTOTRBO