This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Time server Elpromafront panel. Przykadowy wygld serwera czasu ktrego czas jest synchronizowany do GPS DCF Serwer ma wbudowany oscylator OCXO podtrzymujcy czas Transferred from org pl transferred to Commons by User Pjahr using de php CommonsHelper first version last version Original uploader was Widom at org pl Later