diff --git a/pySim-trace.py b/pySim-trace.py
index 8a9fad7b..8313c27c 100755
--- a/pySim-trace.py
+++ b/pySim-trace.py
@@ -93,6 +93,11 @@ class Tracer:
         print("%02u %-16s %-35s %-8s %s %s" % (inst.lchan_nr, inst._name, inst.path_str, inst.col_id, inst.col_sw, inst.processed))
         print("===============================")
 
+    def format_reset(self, apdu: CardReset):
+        """Output a single decoded CardReset."""
+        print(apdu)
+        print("===============================")
+
     def main(self):
         """Main loop of tracer: Iterates over all Apdu received from source."""
         while True:
@@ -101,6 +106,7 @@ class Tracer:
 
             if isinstance(apdu, CardReset):
                 self.rs.reset()
+                self.format_reset(apdu)
                 continue
 
             # ask ApduDecoder to look-up (INS,CLA) + instantiate an ApduCommand derived
diff --git a/pySim/apdu/__init__.py b/pySim/apdu/__init__.py
index cc0f7015..b884e230 100644
--- a/pySim/apdu/__init__.py
+++ b/pySim/apdu/__init__.py
@@ -448,4 +448,11 @@ class ApduDecoder(ApduHandler):
 
 
 class CardReset:
-    pass
+    def __init__(self, atr: bytes):
+        self.atr = atr
+
+    def __str__(self):
+        if (self.atr):
+            return '%s(%s)' % (type(self).__name__, b2h(self.atr))
+        else:
+            return '%s' % (type(self).__name__)
diff --git a/pySim/apdu_source/gsmtap.py b/pySim/apdu_source/gsmtap.py
index fe450e23..aaf97adc 100644
--- a/pySim/apdu_source/gsmtap.py
+++ b/pySim/apdu_source/gsmtap.py
@@ -49,7 +49,7 @@ class GsmtapApduSource(ApduSource):
             return ApduCommands.parse_cmd_bytes(gsmtap_msg['body'])
         elif sub_type == 'atr':
             # card has been reset
-            return CardReset()
+            return CardReset(gsmtap_msg['body'])
         elif sub_type in ['pps_req', 'pps_rsp']:
             # simply ignore for now
             pass
diff --git a/pySim/apdu_source/pyshark_gsmtap.py b/pySim/apdu_source/pyshark_gsmtap.py
index 8ea9ae7c..aa7b6248 100644
--- a/pySim/apdu_source/pyshark_gsmtap.py
+++ b/pySim/apdu_source/pyshark_gsmtap.py
@@ -69,7 +69,7 @@ class _PysharkGsmtap(ApduSource):
             return ApduCommands.parse_cmd_bytes(gsmtap_msg['body'])
         elif sub_type == 'atr':
             # card has been reset
-            return CardReset()
+            return CardReset(gsmtap_msg['body'])
         elif sub_type in ['pps_req', 'pps_rsp']:
             # simply ignore for now
             pass
diff --git a/pySim/apdu_source/pyshark_rspro.py b/pySim/apdu_source/pyshark_rspro.py
index 499e9ff7..8c614ffc 100644
--- a/pySim/apdu_source/pyshark_rspro.py
+++ b/pySim/apdu_source/pyshark_rspro.py
@@ -117,7 +117,8 @@ class _PysharkRspro(ApduSource):
             vccPresent, resetActive, clkActive = self.get_pstatus(slot_pstatus)
             if vccPresent and clkActive and not resetActive:
                 logger.debug("RESET")
-                return CardReset()
+                #TODO: extract ATR from RSPRO message and use it here
+                return CardReset(None)
         else:
             print("Unhandled msg type %s: %s" % (msg_type, rspro_msg))