Text on youtube reads:
Published on 25 May 2017
Listening to the Requiem for Radio broadcast on WBCQ 5130 khz, WRMI 11580 khz and Shortwaveservice 9620 khz and 9690 khz. Includes shots of all 4 stations tuned in at the same time, and then individually on the Grundig Satellit 800 to give an idea of how each station was coming in. This was about halfway through the broadcast, received in south central Pennsylvania.
In the comments under the youtube video, someone has actually decoded some of the morse code to reveal the latin text of the requiem...
Here is the comment from NikkiGurl:
Here are the CW code translations for the various parts in the video for those interested:
2:41 - LUX PERPETUA L
3:04 - LASTING LIGHT SHINE UP[on]
3:22 - [w]WITH THY SAINTS
Comments: The first message at 2:41 is Latin and is probably this: Requiem aeternam dona eis, Domine Et lux perpetua luceat eis . This refers possibly to the Western Christian prayer called 'Eternal Rest' or 'Requiem aeternam' whose Latin text in the Roman Rite of the Catholic Church is: ℣. Requiem æternam dona ei (eis), Domine
℟. Et lux perpetua luceat ei (eis):
℣. Requiescat (-ant) in pace.
The translation used by English speaking Roman Catholics is:
℣. Eternal rest, grant unto him/her (them), O LORD,
℟. And let perpetual light shine upon him/her (them).
℣. May he/she (they) rest in peace.
Or as translated and used by English speaking Lutherans:
℣. Rest eternal grant him/her, O LORD;
℟. and let light perpetual shine upon him/her.
℣. May he/she rest in peace.
Finally, as translated and used by English speaking Anglicans:
℣. Rest eternal grant unto them, O LORD:
℟. and let light perpetual shine upon them.
℣. May they rest in peace.
Taking the clues at 2:41 and 3:04 , it is probably some derivative of the above. Not sure how the last part at 3:22 fits into the prayer; I'm not into religion so its anyone's guess. Mixed with the harmonic sounds of the radio towers, I find it all a little creepy but interesting none-the-less. Excellent work!