Patch by jonor for hf list 14b, wait of ack was missing. See http://www.proxmark.org/forum/viewtopic.php?pid=8260#p8260

client/cmdhf14b.c

@@ -147,6 +147,7 @@ int CmdHF14BList(const char *Cmd)
 {
   uint8_t got[960];
   GetFromBigBuf(got,sizeof(got),0);
+  WaitForResponse(CMD_ACK,NULL);
 
   PrintAndLog("recorded activity:");
   PrintAndLog(" time  :rssi: who bytes");