Ham Radio 147.2100 Ham Radio Repeater - Little Mountain 145.2100 Ham Radio Repeater - Columbia 146.5200 Ham Radio - National Simplex 146.7150 Ham Radio Repeater - Columbia 146.7750 Ham Radio Repeater - Columbia 146.8800 Ham Radio Repeater - Orangeburg 147.0150 Ham Radio Repeater - Sumter 147.3900 Ham Radio Repeater - Lexington