diff --git a/RTCP/Cobalt/OutputProc/test/tSubbandWriter.cc b/RTCP/Cobalt/OutputProc/test/tSubbandWriter.cc
index 24eee255d26f1177dfccb76dfae7db337de33384..d51f882ab7177d1daa52a45c53155b1a2a40c906 100644
--- a/RTCP/Cobalt/OutputProc/test/tSubbandWriter.cc
+++ b/RTCP/Cobalt/OutputProc/test/tSubbandWriter.cc
@@ -57,15 +57,21 @@ SUITE(SubbandWriter)
     Parset ps;
 
     OneBeam() {
-      ps.add("Observation.VirtualInstrument.stationList",            "[CS001]");
+      ps.add("Observation.VirtualInstrument.stationList",            "[CS001,15*CS002]");
       ps.add("Observation.Dataslots.CS001LBA.RSPBoardList",          "[0]");
       ps.add("Observation.Dataslots.CS001LBA.DataslotList",          "[0]");
+      ps.add("Observation.Dataslots.CS002LBA.RSPBoardList",          "[0]");
+      ps.add("Observation.Dataslots.CS002LBA.DataslotList",          "[0]");
       ps.add("PIC.Core.CS001LBA.position",                           "[0,0,0]");
       ps.add("PIC.Core.CS001LBA.phaseCenter",                        "[0,0,0]");
+      ps.add("PIC.Core.CS002LBA.position",                           "[0,0,0]");
+      ps.add("PIC.Core.CS002LBA.phaseCenter",                        "[0,0,0]");
 
       ps.add("Observation.ObsID",                                    boost::lexical_cast<string>(obsId));
       ps.add("Observation.startTime",                                "2013-01-01 00:00");
       ps.add("Observation.stopTime",                                 "2013-01-01 01:00");
+      ps.add("Cobalt.Correlator.nrChannelsPerSubband",               "64");
+      ps.add("Cobalt.blockSize",                                     "196608");
 
       ps.add("Observation.nrBeams",                                  "1");
       ps.add("Observation.Beam[0].subbandList",                      "[0]");