St. Louis County R.A.C.E.S. & SKYWARN

"Taking the community by storm"
Text Box: R.A.C.E.S. / SKYWARN Frequencies Text Box: Designator Frequency Mode Tone Use VHF Primary 146.940- Repeater Primary Network Secondary A 147.360+ Repeater Secondary Network Secondary B 147.390+ Repeater 100.0 Secondary Network Secondary C 146.910- Repeater Secondary Network Secondary D 146.970- Repeater 141.3 Secondary Network Secondary E 146.940 Simplex Secondary if a repeater is unavailable Tactical A 147.540 Simplex Countywide Tactical B 146.460 Simplex Countywide Tactical C 146.430 Simplex Countywide Tactical D 146.490 Simplex Countywide Tactical E 147.850 Simplex North St. Louis County Tactical F 147.480 Simplex West St. Louis County Tactical G 147.420 Simplex Central St. Louis County Tactical H 147.570 Simplex South St. Louis County Tactical I 146.580 Simplex Other County Services Tactical J 146.550 Simplex Other County Services UHF Primary 442.100+ Repeater Primary UHF Network Secondary A 446.100 Simplex Countywide Secondary B 446.200 Simplex Countywide Secondary C 442.100 Simplex Backup if repeater is unavailable 220 Primary 224.980- Repeater Primary 220 Network Secondary A 223.420 Simplex Countywide Secondary B 223.620 Simplex Countywide Secondary C 224.980 Simplex Backup if repeater is unavailable 50-54 Mhz. Primary 52.510 Simplex Primary 50 Mhz. frequency Tactical A 52.570 Simplex Alternate/Countywide Tactical B 52.370 Simplex Countywide Tactical C 52.470 Simplex Countywide HF 3993.5 Simplex, LSB Statewide contacts as needed 7293.5 Simplex, LSB Statewide contacts as needed UHF Commercial EOC 461.325 Repeater SKYWARN operations Clayton 463.650 Repeater SKYWARN operations St. Louis County R.A.C.E.S. & SKYWARN Frequencies; list first developed in 1999 ST. LOUIS NWS REGIONAL SKYWARN MAP WITH FREQS. Text Box: Weather Alert Notification System tones on 146.940: 1433.4 Hz. followed by 903.2 Hz. (Motorola code W999) And D.T.M.F. tones 9 4 0