May 2, 2019
HS1ØKING/mm via QO-100
On the occasion of the coronation of King Vajiralongkorn Bodindradebayavarangkun (King Rama X) of Thailand, the Radio Amateur Society of…
International Satellites for Communication, Science and Education
On the occasion of the coronation of King Vajiralongkorn Bodindradebayavarangkun (King Rama X) of Thailand, the Radio Amateur Society of…