https://www.vivacom.bg/bg/sat - official website no information yet
or the new land center Stara Zagora is just being tested - https://united.group/vivacom-is-again-in-top-10-fastest-growing-satelite-companies-globally/
Haven't you read how to verify Astra-SM?
https://www.sat-universe.com/index.php?threads/spanish-abertis-dtt-sat-hispasat-30w-chat-how-to-guides.306087/post-2037285603
https://www.sat-universe.com/index....30w-chat-how-to-guides.306087/post-2037285603 - test astra-sm , write the data from your receiver to the command line