What channel is PBS on antenna in Harlingen-Weslaco-Brownsville-McAllen?

PBS is channel 21.4 (KXFX-CD).

It broadcasts on RF 23 (UHF), which any digital TV can receive.

Updated November 11, 2026 from FCC data

Lost PBS? Rescan your TV first

PBS 21.4 moved onto KMBH-CD's signal when KXFX-CD switched to NextGen TV (ATSC 3.0) A newer broadcast format. Older TVs can't decode it, so stations also send the old format from a partner station. More in the glossary . TVs that haven't rescanned since are still looking on the old frequency. Run your TV's channel scan (often called "auto-program"); PBS comes back as 21.4.

Where PBS 21.4 comes from

Works on any digital TV

KMBH-CD RF 23 · UHF

A partner station carrying PBS for KXFX-CD.

Which way to point for PBS around Harlingen-Weslaco-Brownsville-McAllen

Aim at KMBH-CD's tower, which carries the version any TV can use . It stands apart from the main tower site, so it may need its own aim.

From	Point	Distance
Brownsville, TX	west (281°)	37 mi
McAllen, TX	southeast (130°)	15 mi
Raymondville, TX	south-southwest (213°)	32 mi
Port Isabel, TX	west (272°)	47 mi
La Villa, TX	south-southwest (210°)	17 mi

Get the exact direction for your address

The antenna you need for PBS in Harlingen-Weslaco-Brownsville-McAllen

PBS reaches ordinary TVs on UHF, so any antenna that picks up UHF will do. Close to the towers an indoor antenna by a window often works; farther out, height matters most: attic beats window, roof beats attic.

The best antenna for all of Harlingen-Weslaco-Brownsville-McAllen · VHF Lower frequencies (RF 2–13). Needs an antenna with longer elements; many flat indoor antennas are weak here. More in the glossary

More free channels from KXFX-CD

21.1 CW
67.1 Fox

Other networks in Harlingen-Weslaco-Brownsville-McAllen

All 24 antenna channels in Harlingen-Weslaco-Brownsville-McAllen

Questions about PBS in Harlingen-Weslaco-Brownsville-McAllen

What channel is PBS on antenna in Harlingen-Weslaco-Brownsville-McAllen?

PBS is channel 21.4 (KXFX-CD) in Harlingen-Weslaco-Brownsville-McAllen. It broadcasts on RF 23 (UHF), which any digital TV can receive.

Why did PBS 21.4 disappear from my TV?

Run a channel rescan. PBS now reaches ordinary TVs on KMBH-CD's signal (RF 23), so your TV has to find it on a new frequency. It keeps the number 21.4.

What antenna do I need for PBS in Harlingen-Weslaco-Brownsville-McAllen?

Any antenna that receives UHF, aimed at the KMBH-CD tower. Height matters more than brand: indoor close in, attic or roof farther out.

Where this comes from

Stations, towers, channels and power: FCC Licensing and Management System (LMS) public database, data of November 3, 2026.
Networks and subchannels: our affiliations dataset, built from Wikipedia (used under CC BY-SA 4.0), the network field stations file with the FCC, and station websites; checked November 11, 2026. Credits.
Towns and distances: US Census Bureau: Vintage 2025 city population estimates (SUB-EST2025) and 2026 Gazetteer place coordinates; distances are straight-line from each town's Census centre point.
Market area: Market area: counties assigned by FCC service-contour coverage of each market's full-power stations (FCC LMS market list, Census 2020).

Updated November 11, 2026 How we work this out