St. Louis County R.A.C.E.S. and SKYWARN
"Taking the County by storm."
R.A.C.E.S. / SKYWARN Frequencies
__________________________________________
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
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 146.970- Repeater 141.3 SecondaryNetwork
Secondary D 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 52.570 Simplex Primary 50 Mhz. frequency
Tactical A 52.730 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
Reporting Criteria
