ACTIVITY
 
Contests organized by YO7KAJ - Radioclub
 
Awards which had been conferred by YO7KAJ - Radioclub
 
Contests organized by DL5NA
 
ARDF (Radio-goniometry) activity
 
VHF/UHF activity
 
HF activity
 
Digital communications activity
 
Field Day
 
The story of T-813 tranceiver