“#CatSat will relay #WSPR and #FT8 signals from HF. Downlinks on 437.185 MHz and 10470.00 MHz.”

“#Serenity, which uses a 4k8 FM with #AX25 downlink on 437.100 MHz.”

“#KUbeSat-1 UHF downlink using 9k6 #GMSK. A downlink on 437.085 MHz.
SOC-i has a UHF downlink using 4k8 GMSK. downlink 437.125 MHz”

https://www.amsat.org/ans-189-amsat-news-service-weekly-bulletins/