ON7SA - UBA section AST
- Clubstation of Belgian UBA section AST. AST stands for Aalst, the city where we're located. We participate in many international contests with our special contestcall OTxH. The x in the call is always the last letter of the current year.
CQ Callbook - Online Internet CallbookPriority listing
- The CQ Callbook makes it easy to find QSL information from web-accessible sources like address and manager databases and country-specific callbooks. The search procedure is quite easy: just enter Callsign and click on the Search buttons.
- HamAlyzer is a spectrum analyzer made just for hams, save plot images easily for emailing, monogramed with your call sign.
HamAlyzer looks no more supported, here 2.8 trial version available. Download hamalyzer