They are a great bunch of people in Alexandria-- I know them well. The studios are adjacent to KALB-TV channel 5; in fact the studios are those of the old KALB radio, the prestige station in central Louisiana. Years ago the AM was sold off and bought by a group that ran black gospel in several Louisiana and southeast Texas cities, including Houston. For some reason, they went out of business and Radio Maria bought the stations, except for KYOK Houston, which became Radio Disney. I suspect RM regrets to this day that they did not buy KYOK, because they want to get into Houston, even more so since Houston lost its Catholic station (and EWTN affiliate), KGBC, when the owner upped the power and upped the rent.
There is no RM broadcast station in Houston, although RM Houston operates over the KPFT subcarrier, and is strictly Spanish 24/7, allied with Radio Maria Nueva York (also a subcarrier station). Both rebroadcast several Latin American Radio María stations, particularly over the weekend.
RM also owns a CP for Altoona (Holidaysburg), which should put a fine signal over Johnstown, too, and perhaps a usable signal for better radios in State College.
One of the things I like about Radio Maria is that all its stations studiously avoid politics, something that can't be said about a lot of religious stations. I do not mean that they do not speak out on moral issues, but they do so from a theological point of view, not a political one. Nor do they broadcast rant, so common on other religious stations. I have listened on and off for years and have never heard them villify anyone.