Ziv, Look at your Owner's Manual on page 4. Connect HF/ 50 MHz antenna feed line to ANT 1. Regards, Bob - N0DGN On 4/19/2015 5:38 AM, Ziv Amit wrote: > Hi > > Is ant 1 is good for HF+50mhz or 50Mhz is used in ant 2 only? > > Ziv - 4Z4OQ