S7 to S9 signal with decent audio heard via the SDR in Fair Hill, Maryland, amid pretty high noise levels ...
1956 UTC: "What's Going On" by Marvin Gaye.
1959 UTC: "Mama Told Me (Not to Come)" by Three Dog Night.
2002 UTC: Male-voiced ID: "You're listening to Solar Power Radio. This is only a test." The announcement went on to say the broadcast was using only solar power and repeated this is a test broadcast. Then "Let It Be" by The Beatles.
2006 UTC: "I Love Rock 'N Roll" by Joan Jett & The Blackhearts.
2009 UTC: "Cat's in the Cradle" by Harry Chapin.
2012 UTC: ID announcement again.
2013 UTC: "God Bless the U.S.A." by Lee Greenwood.
2016 UTC: "Bennie and The Jets" by Elton John.
2021 UTC: "Let the Dollar Circulate" by Billy Paul.
2026 UTC: ID announcement again, then "Ain't No Mountain High Enough" by Diana Ross.
Thanks for the solar-powered test transmission, Solar Radio!