Read mass-position lines in SOHStationViewer log

sohstationviewer/model/reftek_data/reftek_reader/log_file_reader.py

@@ -125,7 +125,7 @@ def parse_log_packet_sohstationviewer(packet: List[str]
     """
     Parse a log packet assuming that the log file comes from sohstationviewer.
     In this case, the file is composed mainly of SOH packets, with the event
-    info lines being written at the end of the file.
+    info and mass-position lines being written at the end of the file.
     :param packet: list of lines in the packet
     :return: the lists of event lines, SOH lines, and mass-position lines in
         packet
@@ -135,6 +135,8 @@ def parse_log_packet_sohstationviewer(packet: List[str]
     masspos_lines = []
     if packet[0].startswith('Events:'):
         eh_et_lines = packet[1:]
+    elif packet[0].startswith('Mass-positions:'):
+        masspos_lines = packet[1:]
     else:
         soh_lines = packet
     return eh_et_lines, soh_lines, masspos_lines