diff --git a/application/views/qslprint/qsolist.php b/application/views/qslprint/qsolist.php
index 41eb31a1..0809a8c8 100644
--- a/application/views/qslprint/qsolist.php
+++ b/application/views/qslprint/qsolist.php
@@ -40,19 +40,23 @@ if ($qsos->result() != NULL) {
 		echo '<td style=\'text-align: center\' class="qsl">';
 		echo '<span ';
 		if ($qsl->COL_QSL_SENT != "N") {
-			$timestamp = strtotime($qsl->COL_QSLSDATE);
+			if ($qsl->COL_QSLSDATE != null) {
+				$timestamp = ' '.date($custom_date_format, strtotime($qsl->COL_QSLSDATE));
+			} else {
+				$timestamp = '';
+			}
 			switch ($qsl->COL_QSL_SENT) {
 			case "Y":
-				echo "class=\"qsl-green\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_sent')." ".date($custom_date_format,$timestamp);
+				echo "class=\"qsl-green\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_sent').$timestamp;
 				break;
 			case "Q":
-				echo "class=\"qsl-yellow\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_queued')." ".date($custom_date_format,$timestamp);
+				echo "class=\"qsl-yellow\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_queued').$timestamp;
 				break;
 			case "R":
-				echo "class=\"qsl-yellow\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_requested')." ".date($custom_date_format,$timestamp);
+				echo "class=\"qsl-yellow\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_requested').$timestamp;
 				break;
 			case "I":
-				echo "class=\"qsl-grey\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_invalid_ignore')." ".date($custom_date_format,$timestamp);
+				echo "class=\"qsl-grey\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_invalid_ignore').$timestamp;
 				break;
 			default:
 				echo "class=\"qsl-red";
@@ -78,19 +82,23 @@ if ($qsos->result() != NULL) {
 		echo '">&#9650;</span>';
 		echo '<span ';
 		if ($qsl->COL_QSL_RCVD != "N") {
-			$timestamp = strtotime($qsl->COL_QSLRDATE);
+			if ($qsl->COL_QSLRDATE != null) {
+				$timestamp = ' '.date($custom_date_format, strtotime($qsl->COL_QSLRDATE));
+			} else {
+				$timestamp = '';
+			}
 			switch ($qsl->COL_QSL_RCVD) {
 			case "Y":
-				echo "class=\"qsl-green\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_received')." ".date($custom_date_format,$timestamp);
+				echo "class=\"qsl-green\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_received').$timestamp;
 				break;
 			case "Q":
-				echo "class=\"qsl-yellow\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_queued')." ".date($custom_date_format,$timestamp);
+				echo "class=\"qsl-yellow\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_queued').$timestamp;
 				break;
 			case "R":
-				echo "class=\"qsl-yellow\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_requested')." ".date($custom_date_format,$timestamp);
+				echo "class=\"qsl-yellow\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_requested').$timestamp;
 				break;
 			case "I":
-				echo "class=\"qsl-grey\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_invalid_ignore')." ".date($custom_date_format,$timestamp);
+				echo "class=\"qsl-grey\" data-toggle=\"tooltip\" data-original-title=\"".$this->lang->line('general_word_invalid_ignore').$timestamp;
 				break;
 			default:
 				echo "class=\"qsl-red";
@@ -119,8 +127,12 @@ if ($qsos->result() != NULL) {
 			echo '<td style=\'text-align: center\' class="eqsl">';
 			echo '<span ';
 			if ($qsl->COL_EQSL_QSL_SENT == "Y") {
-				$timestamp = strtotime($qsl->COL_EQSL_QSLSDATE);
-				echo "data-original-title=\"".$this->lang->line('eqsl_short')." ".$this->lang->line('general_word_sent')." ".($timestamp!=''?date($custom_date_format, $timestamp):'')."\" data-toggle=\"tooltip\"";
+				echo "data-original-title=\"".$this->lang->line('eqsl_short')." ".$this->lang->line('general_word_sent');
+				if ($qsl->COL_EQSL_QSLSDATE != null) {
+					$timestamp = strtotime($qsl->COL_EQSL_QSLSDATE);
+					echo " ".($timestamp != '' ? date($custom_date_format, $timestamp) : '');
+				}
+				echo "\" data-toggle=\"tooltip\"";
 			}
 			echo ' class="eqsl-';
 			echo ($qsl->COL_EQSL_QSL_SENT=='Y')?'green':'red';
@@ -128,8 +140,12 @@ if ($qsos->result() != NULL) {
 
 			echo '<span ';
 			if ($qsl->COL_EQSL_QSL_RCVD == "Y") {
-				$timestamp = strtotime($qsl->COL_EQSL_QSLRDATE);
-				echo "data-original-title=\"".$this->lang->line('eqsl_short')." ".$this->lang->line('general_word_received')." ".($timestamp!=''?date($custom_date_format, $timestamp):'')."\" data-toggle=\"tooltip\"";
+				echo "data-original-title=\"".$this->lang->line('eqsl_short')." ".$this->lang->line('general_word_received');
+				if ($qsl->COL_EQSL_QSLRDATE != null) {
+					$timestamp = strtotime($qsl->COL_EQSL_QSLRDATE);
+					echo " ".($timestamp != '' ? date($custom_date_format, $timestamp) : '');
+				}
+				echo "\" data-toggle=\"tooltip\"";
 			}
 			echo ' class="eqsl-';
 			echo ($qsl->COL_EQSL_QSL_RCVD=='Y')?'green':'red';
@@ -140,8 +156,12 @@ if ($qsos->result() != NULL) {
 			echo '<td style=\'text-align: center\' class="lotw">';
 			echo '<span ';
 			if ($qsl->COL_LOTW_QSL_SENT == "Y") {
-				$timestamp = strtotime($qsl->COL_LOTW_QSLSDATE);
-				echo "data-original-title=\"".$this->lang->line('lotw_short')." ".$this->lang->line('general_word_sent')." ".($timestamp!=''?date($custom_date_format, $timestamp):'')."\" data-toggle=\"tooltip\"";
+				echo "data-original-title=\"".$this->lang->line('lotw_short')." ".$this->lang->line('general_word_sent');
+				if ($qsl->COL_LOTW_QSLSDATE != null) {
+					$timestamp = strtotime($qsl->COL_LOTW_QSLSDATE);
+					echo " ".($timestamp != '' ? date($custom_date_format, $timestamp) : '');
+				}
+				echo "\" data-toggle=\"tooltip\"";
 			}
 			echo ' class="lotw-';
 			echo ($qsl->COL_LOTW_QSL_SENT=='Y')?'green':'red';
@@ -149,8 +169,12 @@ if ($qsos->result() != NULL) {
 
 			echo '<span ';
 			if ($qsl->COL_LOTW_QSL_RCVD == "Y") {
-				$timestamp = strtotime($qsl->COL_LOTW_QSLRDATE);
-				echo "data-original-title=\"".$this->lang->line('lotw_short')." ".$this->lang->line('general_word_received')." ".($timestamp!=''?date($custom_date_format, $timestamp):'')."\" data-toggle=\"tooltip\"";
+				echo "data-original-title=\"".$this->lang->line('lotw_short')." ".$this->lang->line('general_word_received');
+				if ($qsl->COL_LOTW_QSLRDATE) {
+					$timestamp = strtotime($qsl->COL_LOTW_QSLRDATE);
+					echo " ".($timestamp != '' ? date($custom_date_format, $timestamp) : '');
+				}
+				echo "\" data-toggle=\"tooltip\"";
 			}
 			echo ' class="lotw-';
 			echo ($qsl->COL_LOTW_QSL_RCVD=='Y')?'green':'red';