Taken from La Nación newspaper.
OVER THE AIR STATIONS
2 LS86 Teledos (now América)
7 LS82 ATC (now TVP)
9 LS83 Canal Nueve
11 LS84 Canal Once (now Telefe)
13 LS85 Canal Trece
8:00
7 Test pattern
8:30
2 Test pattern
7 Ángelus con el Papa Juan Pablo II
9:00
2 Dinámica rural
9 Test pattern
11 Test pattern
9:15
7 Automovilismo: Fórmula 1 Internacional desde Budapest. El Gran Premio de Hungría
9 La Santa Misa
11 La Santa Misa
10:00
2 Gánele al dos (to 20:00)
11 Rugby '88
10:30
9 El principito
11 Mundo olímpico
13 Test pattern
11:00
9 Blanco y negro (Diff'rent strokes)
13 La hora de los pibes
Interesting that the OTA channels didn't start daytime programming til mid-morning or later. I remember going into stores in Barbados in 1978 that sold TVs, and the local channels were still on test pattern at 10 AM.