diff --git a/MAC/Tools/NTP/ntp-4.2.0.lofar/ntp.oncore.0 b/MAC/Tools/NTP/ntp-4.2.0.lofar/ntp.oncore.0
index 6ae57393d8819407ed062d5dffbbbfc5bcd76f68..9ae2033a930bfaf4d3136bc62aa506fe5ff5712f 100644
--- a/MAC/Tools/NTP/ntp-4.2.0.lofar/ntp.oncore.0
+++ b/MAC/Tools/NTP/ntp-4.2.0.lofar/ntp.oncore.0
@@ -49,7 +49,11 @@ MASK 20
 # otherwise NTP will not receive sufficient timestamps to lock
 # to GPS clock.
 # In production systems in the field the next line should be commented out
-TRAIM OFF
+# 
+# 11-10-2006 kjw: field tests show that TRAIM can be used safely in the
+# field, therefor the following line is commented out by default
+#
+# TRAIM OFF
 
 #
 # Shared memory interface. Not used at the moment.
diff --git a/MAC/Tools/NTP/ntp-4.2.0.lofar/ntp.spec b/MAC/Tools/NTP/ntp-4.2.0.lofar/ntp.spec
index c3c1f08e8b3c47e26a9de6bf3bbd5f2882516d49..3a51dea1e0818a8303cec6ea4a5ecfee3881f7b2 100644
--- a/MAC/Tools/NTP/ntp-4.2.0.lofar/ntp.spec
+++ b/MAC/Tools/NTP/ntp-4.2.0.lofar/ntp.spec
@@ -8,7 +8,7 @@
 Summary: Synchronizes system time using the Network Time Protocol (NTP).
 Name: ntp
 Version: 4.2.0.lofar
-Release: 4
+Release: 5
 License: distributable
 Group: System Environment/Daemons
 Source0: http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-%{tarversion}.tar.gz
@@ -205,6 +205,10 @@ fi
 
 
 %changelog
+* Wed Oct 11 2006 Klaas Jan Wierenga <wierenga@astron.nl>
+- enable TRAIM by default (uncomment TRAIM OFF line), TRAIM has been shown
+  to work correctly in the field and it is required to have accurate PPS timing
+
 * Fri Jul 21 2006 Klaas Jan Wierenga <wierenga@astron.nl>
 - disabled TRAIM by default (needed for lab setup, should be enable in production)
 - better ntp.conf settings, used suggestions from Tac32 manual