KHB46: NOAA Weather Radio for Baton Rouge, Louisiana
KHB46 is the NOAA Weather Radio transmitter at Baton Rouge (transmitter at Baker), broadcasting on 162.400 MHz at 1000 watts. It carries the National Weather Service New Orleans/Baton Rouge office's broadcast and covers 11 counties, each listed below with the SAME code an alert radio needs to wake for that county and stay quiet for the rest.
| Callsign | KHB46 |
|---|---|
| Frequency | 162.400 MHz |
| Transmitter | Baton Rouge (transmitter at Baker), Louisiana |
| Power | 1000 watts |
| Forecast office | NWS New Orleans/Baton Rouge |
| Status | Normal (NWS data, July 2026) |
Marine radios often label 162.400 MHz as WX2, but WX channel numbers vary by brand - go by the frequency.
Counties KHB46 covers
| County | State | SAME code |
|---|---|---|
| Ascension | Louisiana | 022005 |
| East Baton Rouge | Louisiana | 022033 |
| East Feliciana | Louisiana | 022037 |
| Iberville | Louisiana | 022047 |
| Livingston | Louisiana | 022063 |
| Pointe Coupee | Louisiana | 022077 |
| St. Helena | Louisiana | 022091 |
| Tangipahoa | Louisiana | 022105 |
| West Baton Rouge | Louisiana | 022121 |
| West Feliciana | Louisiana | 022125 |
| Wilkinson | Mississippi | 028157 |
Program the six-digit code into your radio's SAME location list - the SAME code guide walks through it, and how alert radios work explains what the radio does with it.
Hearing KHB46
Any receiver that tunes 162.400 MHz FM can listen: scanners, VHF ham radios, marine sets, or a software-defined receiver. What those do not do is wake you at 3 a.m. - for that you want a dedicated radio with SAME alerting, covered in the buyer's guide.
Every Louisiana transmitter, county and SAME code: NOAA Weather Radio in Louisiana. Or look any county up with the finder.
Sources:
- “NWR County Coverage Listings”. weather.gov. Archived from the original on 2026-07-19. Retrieved 2026-07-16. Every figure on this page - frequency, transmitter site, power, operational status, and county SAME codes - is from this dataset. Transmitters move, change power, and go down for maintenance; verify locally before you rely on it.