Greetings from California. Thanks for the very fine recording. Very enjoyable!! Definitely
Radio Senda Cristiana (The Christian Way Radio)!
The station is operated by the Cotahuasi Ministry Center Project -
https://quechuamissions.com/peru2 (Cotahuasi, Arequipa, Peru).
Here is my recent log:
PERU. 4820, Radio Senda Cristiana, *0900 UT, Aug 29. For the first time was clearly able to make out the choral National Anthem; later with
religious sounding songs; weak.