 
                            
                            My QSO this week is with Fred Regennitter, K4IU, has a rich ham radio history spanning over 50 years, from the first crystal radio receiver to his modern FlexRadio software defined transceiver. DX and contests are Fred\u2019s interest and the new digital modes have won a new appeal for making contacts as we reach the bottom of the Sunspot cycle. \xa0Amateur radio has expanded into a big tent that with many facets. \xa0K4IU tells us why in this episode of QSO Today.