The Bucks County system definitely is simulcast.
Bucks County Public Safety Radio Network Trunking System Profile
www.radioreference.com
The site for the system is labeled as Simulcast, and if you click on that descriptive name, that gets you to a page with more details.
Bucks County Public Safety Radio Network Site: Simulcast Details
www.radioreference.com
The details on the site's page indicate that it is a 24 site simulcast system. Here's a map of the transmitter locations, derived from licensing details:
View attachment 89355
While it's possible that you have a signal strength issue, depending on your distance from the closest towers, simulcast is also likely a factor. Are you seeing a decent signal strength (a number of bars showing in the upper right corner of the display)? If so, then you are likely getting enough signal.
More specifics on simulcast are in the Wiki.
Simulcast digital distortion - The RadioReference Wiki
I would suggest that you request your thread be moved to the Pennsylvania forum. To do that, do
not create a new thread. Instead, click on the Report in the lower left corner of one of your posts, and request that a moderator move your thread to the state forum. Someone in the area would be more likely to see it there.