FM Technical Profile: WMAH

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Station Name:
Public Radio in Mississippi


Public Radio: News, Talk

Transmitter Location:
[map] Near intersection of TV Tower Road and Cable Bridge Road southeast of Wiggins.  Co-located with WMAH-TV.

Power (ERP):
100 kW


Antenna HAAT:
1,414 feet

Other Information:
60 dBu protected contour map, from the FCC.

  increased digital power: 3.98%
HD-2: Classical, Arts and Culture

PS-MPB 90.3 Think Radio
MPB 90.3 Think Radio
SCA-Present (67 kHz)
AF-90.3; 88.1; 88.9; 90.9; 89.5; 89.9; 91.3

AUX: 100 kW @ 1,050 feet. 60 dBu protected contour map, from the FCC.
More Information:

[Facebook] Facebook for Mississippi Public Broadcasting, which covers both radio and TV.

[Picture] Screenshot of RDS text display on an Insignia HD portable, showing the PI (call sign) field for the main MPB station in Jackson, as well as the Radio Text field.
[Picture] Image of the RDS text display on a Mazda sedan, showing the PS (station name), Radio Text and PTY (format) fields, from May 2017.
Mississippi Authority for Educational Television
Came on the air in 1984 as the coastal affiliate of Public Radio in Mississippi.

In 2005 the radio and educational television divisions were re-branded as Mississippi Public Broadcasting.

The network garnered some notoriety in the summer of 2010 when it abruptly dropped the Fresh Air program after comic Louis CK talked openly about sex.  It quietly re-added the program after the furor died down. 

In July 2013 the station relegated all music programming to the HD-2 subchannel, leaving all news and talk on the main analog/HD-1 channel.

The station was granted a permit for an auxiliary site in late December 2022.  The auxiliary is located on the same tower as the main antenna but at a lower height.

At the start of August 2023, the station increased its HD digital sideband power to 3.98 kW, or nearly 4% of the analog output. In September the station filed a license modification update to note they changed antenna types to a different brand, which necessitated changing the antenna height by one foot.