WXL39: NOAA Weather Radio for Allentown, Pennsylvania
WXL39 is the NOAA Weather Radio transmitter at Allentown, broadcasting on 162.400 MHz at 1010 watts. It carries the National Weather Service Philadelphia/Mt Holly office's broadcast and covers 15 counties, each listed below with the SAME code an alert radio needs to wake for that county and stay quiet for the rest.
| Callsign | WXL39 |
|---|---|
| Frequency | 162.400 MHz |
| Transmitter | Allentown, Pennsylvania |
| Power | 1010 watts |
| Forecast office | NWS Philadelphia/Mt Holly |
| 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 WXL39 covers
| County | State | SAME code | Note |
|---|---|---|---|
| Hunterdon | New Jersey | 034019 | |
| Mercer | New Jersey | 034021 | |
| Morris | New Jersey | 034027 | |
| Somerset | New Jersey | 034035 | |
| Sussex | New Jersey | 034037 | Central/S |
| Warren | New Jersey | 034041 | |
| Berks | Pennsylvania | 042011 | |
| Bucks | Pennsylvania | 042017 | N |
| Carbon | Pennsylvania | 042025 | |
| Lehigh | Pennsylvania | 042077 | |
| Monroe | Pennsylvania | 042089 | Central/S |
| Montgomery | Pennsylvania | 042091 | Far W |
| Northampton | Pennsylvania | 042095 | |
| Pike | Pennsylvania | 042103 | S |
| Schuylkill | Pennsylvania | 042107 | Central/E |
A county marked with a note (for example partial coverage) is served for that portion only. 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 WXL39
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 Pennsylvania transmitter, county and SAME code: NOAA Weather Radio in Pennsylvania. 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.