Two men are headed to prison following sentencing on probation revocations in separate cases in Waupaca County Circuit Court. 37 year old Brent O. Katherine of Menasha was sentenced to 3 years probation and 60 days in jail in September 2017 after pleading no contest to possession of narcotic drugs. 32 year old Eric W. Ewert of Wisconsin Rapids was placed on 3 years probation this past March after a no contest plea to possession of methamphetamine. Court records indicate both men failed to abide by rules of their probation. Katherine was sentenced to 18 months in prison and 2 years extended supervision, consecutive to a sentence already being served. Ewert was sentenced to 18 months in prison and 2 years extended supervision. He was given credit for 107 days already served.