OSSI-1 has a beacon in the 145 MHz band and a data communications transceiver in the 435 MHz band. It carries a 44 watt LED array to flash Morse Code messages to observers on Earth. It is planned to launch in April on a Soyuz-2-1b rocket from the Baikonur launch facility in Kazakhstan along with the Bion-M1 and Dove-2 satellites.
RSGB VHF-UHF Manual and Radio Communication Handbook used by Korean satellite pioneer Sungdong Park
The RSGB amateur radio books VHF-UHF Manual and the Radio Communication Handbook were referenced by Korean satellite pioneer Sungdong Park when he made the first Korean satellite KitSAT-OSCAR-23 in early 90’s.