WXK46: NOAA Weather Radio, Knoxville
WXK46 broadcasts NOAA Weather Radio on 162.475 MHz (WX3 on most receivers) from Knoxville, with the transmitter at Sharps Ridge, Tennessee, at 1,000 W. The National Weather Service office in Morristown, TN programs it. It covers 16 counties.
The transmitter and its neighbors
WXK46 (the largest dot) and the transmitters within 100 miles, colored by their status now.
- On the air
- Degraded
- Off the air
The transmitter
- Call sign
- WXK46
- Frequency
- 162.475 MHz (WX3)
- Power
- 1,000 W
- Status
- On the air
- Station
- Knoxville
- Transmitter site
- Sharps Ridge
- State
- Tennessee
- NWS office
- Morristown, TN
- Location
- 35.9991, -83.9497
Counties covered
Program a SAME receiver with the code of your county. Coverage is NWS’s note of the part of a county the signal reaches.
| County | State | SAME code | Coverage |
|---|---|---|---|
| Anderson | Tennessee | 047001 | Whole county |
| Blount | Tennessee | 047009 | Whole county |
| Campbell | Tennessee | 047013 | Whole county |
| Claiborne | Tennessee | 047025 | Whole county |
| Cocke | Tennessee | 047029 | Whole county |
| Grainger | Tennessee | 047057 | Whole county |
| Hamblen | Tennessee | 047063 | Whole county |
| Jefferson | Tennessee | 047089 | Whole county |
| Knox | Tennessee | 047093 | Whole county |
| Loudon | Tennessee | 047105 | Whole county |
| Monroe | Tennessee | 047123 | Whole county |
| Morgan | Tennessee | 047129 | Whole county |
| Roane | Tennessee | 047145 | Whole county |
| Scott | Tennessee | 047151 | Whole county |
| Sevier | Tennessee | 047155 | Whole county |
| Union | Tennessee | 047173 | Whole county |
Nearby transmitters
More
Weather radio in TennesseeEvery transmitterThe forecast hereAlerts in force in Tennessee
Sources
Transmitters, status and county coverage from the National Weather Service’s NOAA Weather Radio county coverage listing (data). Public domain. Read October 1, 2026 at 7:31 PM UTC; held for an hour. Original at weather.gov. Report an outage to NWS at weather.gov/nwr.