05.12.2014-08:46:19 TRACE AA0009E (GPS/NMEAserial.pm:get_heading:271)> Receiving ¤EHDT,217.62,T*1F
 on /dev/nmea
05.12.2014-08:46:19 DEBUG AA0009E (GPS/NMEAserial.pm:get_heading:276)> Not receiving valid NMEA data or cut off string: ¤EHDT,217.62,T*1F
!
05.12.2014-08:46:19 TRACE AA0009E (GPS/NMEAserial.pm:get_heading:271)> Receiving $HEHDT,217.62,T*1F
 on /dev/nmea
05.12.2014-08:46:19 TRACE AA0009E (GPS/NMEAserial.pm:get_heading:292)> $VAR1 = bless( {
                 '_CKS_' => '1F',
                 'TrueHeading' => '217.62',
                 '_STRING_' => '$HEHDT,217.62,T*1F',
                 '_calcCKS_' => '1F',
                 '_ELEMENT_' => 'HDT',
                 'HDTT' => 'T',
                 '_ERROR_' => undef,
                 '_DEVICE_' => 'HE'
               }, 'NMEAdata' );
05.12.2014-08:46:19 DEBUG AA0009E (GPS/NMEAserial.pm:get_heading:295)> Received true heading: 217.62
-----------------------------------------------------
05.12.2014-08:46:20 TRACE AA0009E (GPS/NMEAserial.pm:get_heading:271)> Receiving ¦L“ÉS‰•)ÓTHø$HEHDT,217.62,T*1F
 on /dev/nmea
05.12.2014-08:46:20 DEBUG AA0009E (GPS/NMEAserial.pm:get_heading:276)> Not receiving valid NMEA data or cut off string: ¦L“ÉS‰•)ÓTHø$HEHDT,217.62,T*1F
!
05.12.2014-08:46:20 TRACE AA0009E (GPS/NMEAserial.pm:get_heading:271)> Receiving $HEHDT,217.62,T*1F
 on /dev/nmea
05.12.2014-08:46:20 TRACE AA0009E (GPS/NMEAserial.pm:get_heading:292)> $VAR1 = bless( {
                 '_CKS_' => '1F',
                 'TrueHeading' => '217.62',
                 '_STRING_' => '$HEHDT,217.62,T*1F',
                 '_calcCKS_' => '1F',
                 '_ELEMENT_' => 'HDT',
                 'HDTT' => 'T',
                 '_ERROR_' => undef,
                 '_DEVICE_' => 'HE'
               }, 'NMEAdata' );
05.12.2014-08:46:20 DEBUG AA0009E (GPS/NMEAserial.pm:get_heading:295)> Received true heading: 217.62
-----------------------------------------------------
Heading ACU: FE0080DA000000000000 
Heading degrees: 217.62