... LFN levels that are not typical of other areas in the airport environs . LFN is not absorbed by the atmosphere , nor blocked by terrain and buildings , as well as higher frequencies . There- fore , LFN can sometimes be audible at ...
... LFN in Unicode 4 bytes Next six characters of LFN in Unicode 12 bytes First cluster 2 bytes ( always 0000h ) byte in each entry is the sequence number ; that is , it specifies the order in which the entries are to be taken to restore ...