[panel-id]-amplicon.bed is a 4-column .bed file with chromosome, amplicon start position, amplicon end position, and amplicon ID with the track name and description as the header. This file lists the coordinates for the amplicons that cover the given input targets. The amplicon includes the forward primer, insert region, and reverse primer.
It shows zero-based, half-open coordinates for the amplicons.
View more details about the coordinate system here.