Computer Controlled LORAN-C Timing Receiver Pcb Directory This directory includes seven files comprising the printed-circuit artwork, drill, soldermask and silkscreen drawings suitable for replication. All except this file are in PostScript format. These files were produced using the Schema PCB printed-circuit board layout program. adt0127.lpr assembly drawing art01.lpr artwork - side 1 art02.lpr artwork - side 2 dd0124.lpr drill drawing lr.err summary of errors and corrections to the pcb readme.txt this file sm0228.lpr soldermask - side 2 sst0126.lpr silkscreen - side 1 Note that there are a few errors in the current pcb artwork. These must be fixed by cutting traces and installing jumpers. A summary of these corrections is in the lr.err file.