Retry QRZ.com for compound callsigns

application/models/Logbook_model.php

@@ -4384,6 +4384,26 @@ function lotw_last_qsl_date($user_id) {
       }
     }
 
+	// This should be in a helper? copied from Logbook controller
+	function get_plaincall($callsign) {
+		$split_callsign=explode('/',$callsign);
+		if (count($split_callsign)==1) {				// case F0ABC --> return cel 0 //
+			$lookupcall = $split_callsign[0];
+		} else if (count($split_callsign)==3) {			// case EA/F0ABC/P --> return cel 1 //
+			$lookupcall = $split_callsign[1];
+		} else {										// case F0ABC/P --> return cel 0 OR  case EA/FOABC --> retunr 1  (normaly not exist) //
+			if (in_array(strtoupper($split_callsign[1]), array('P','M','MM','QRP','0','1','2','3','4','5','6','7','8','9'))) {
+				$lookupcall = $split_callsign[0];
+			} else if (strlen($split_callsign[1])>3) {	// Last Element longer than 3 chars? Take that as call
+				$lookupcall = $split_callsign[1];
+			} else {									// Last Element up to 3 Chars? Take first element as Call
+				$lookupcall = $split_callsign[0];
+			}
+		}
+		return $lookupcall;
+	}
+
+
 	public function loadCallBook($callsign, $use_fullname=false)
     {
         $callbook = null;
@@ -4405,6 +4425,10 @@ function lotw_last_qsl_date($user_id) {
                     $qrz_session_key = $this->qrz->session($this->config->item('qrz_username'), $this->config->item('qrz_password'));
                     $this->session->set_userdata('qrz_session_key', $qrz_session_key);
                     $callbook = $this->qrz->search($callsign, $this->session->userdata('qrz_session_key'), $use_fullname);
+					// if we still got nothing, and it's a compound callsign, then try a search for the base call
+					if (($callbook['callsign'] ?? '') == '' && strpos($callsign,"/")!==false){
+						$callbook = $this->qrz->search($this->get_plaincall($callsign), $this->session->userdata('qrz_session_key'), $use_fullname);
+					}
                 }
             }