According to a submission from 10/2012, MedPort has not been heard on the frequencies listed below.   Instead they are heard on TG 0-03-150 of an unknown LTR system where 462.025 is the frequency associated with LCN 3.   We do not currently have any trunked LTR system in our DB using that frequency in the area of coverage for MedPort.   Just be aware that you may not hear any activity on the frequencies below but may be able to hear MedPort (along with other agencies) on 462.025.