Sources of Amateur Radio Direction Finding at 3.5-3.6MHz,11 sites, 0.8W 4 jumpers to choose 0-10 sites, 0000,0001……1010
0 0 ----- 3500KHz 1 MOE -- --- . 3510KHz 2 MO1 -- --- .. 3520KHz 3 MOS -- --- ... 3530KHz 4 MOH -- --- .... 3540KHz 5 MO5 -- --- ..... 3550KHz 6 6 -.... 3560KHz 7 7 --... 3570KHz 8 8 ---.. 3580KHz 9 9 ----. 3590KHz MO MO -- --- 3600KHz
power supply:3.7V Lion Battery power management:tps79333,tp4056,hx3033 MCU: ATMEGA328P-AU Local Oscillator:CDCE913 PA:Type C amplifer