Gjennomsnittlig GPS-koordinater for postnummer 512-41: 50.633, 15.475
Notering byer:
>> Horní Sytová 512-41, Semily, GPS-koordinater: 50.6333,15.45
>> Víchová nad Jizerou 512-41, Semily, GPS-koordinater: 50.6333,15.5
Notering byer:
>> Horní Sytová 512-41, Semily, GPS-koordinater: 50.6333,15.45
>> Víchová nad Jizerou 512-41, Semily, GPS-koordinater: 50.6333,15.5