vhf trunking

I am attempting to scan the Maine State Communications Network (MSCommNet, link to RRDB below:), and experiencing an odd phenomenon. A GRE scanner decodes and receives the system fine. A 436hp shows full signal strength, but has no audio. An HP-1 will not show an active site while holding on the...

i have a bcd396xt scanner, i'm trying to add a Motorola type 1/2 VHF systems, i only have the Control Frequencies, how can i find the Costum Bandplan, and Base Freq, Offset, Spacing? can i do it with a software? thx! from israel