Three Japanese CubeSats were deployed from the ISS using the Japanese J-SSOD on October 10, 2025. Two of the satlelites transmit in the amateur radio bands.
e-kagaku-1
CW, DigiTalker, 1.2kbps AFSK, 9.6kbps GMSK 145.840MHz
https://ekagaku-sat.net/ This web site is in Japanese
https://iaru.amsat-uk.org/finished_detail.php?serialnum=888
BOTAN
APRS 145.825MHz
Digital 437.375MHz
https://sites.google.com/p.chibakoudai.jp/gardens-04/
https://iaru.amsat-uk.org/finished_detail.php?serialnum=938
[ANS thanks JAXA and Masahiro Arai, JN1GKZ, for the above information]