- II ▁is ▁a ▁follow - on ▁of ▁e - st @ r - I , ▁the ▁first ▁Italian ▁C ube S at ▁and ▁the ▁first ▁satellite ▁of ▁Pol ite c nico ▁di ▁Tor ino ▁to ▁be ▁inserted ▁on ▁orbit . ▁More ▁than ▁ 3 0 ▁students ▁worked ▁on ▁this ▁project , ▁using ▁a ▁unique ▁opportunity ▁of ▁hands - on ▁experience ▁on ▁space ▁applications . ▁It ▁will ▁demonstrate ▁the ▁ability ▁of ▁determ ining ▁( with ▁gy ros ▁and ▁magnet om eters ) ▁and ▁act ively ▁cont rolling ▁its ▁attitude . ▁The ▁bus ▁functional ities , ▁as ▁a ▁basis ▁for ▁other ▁C ube S ats , ▁will ▁be ▁demonstrated : ▁it ▁is ▁a ▁step ▁towards ▁future ▁miss ions ▁and ▁applications . ▁ ▁Once ▁deployed ▁into ▁orbit , ▁e - st @ r - II ▁will ▁begin ▁transm itting ▁signals ▁to ▁Earth ▁approximately ▁ 3 0 ▁minutes ▁after ▁activation . ▁Sign als ▁can ▁be ▁picked ▁up ▁by ▁anyone ▁with ▁common ▁amateur ▁radio ▁equipment . ▁ ▁To ▁celebr ate ▁the ▁launch ▁of ▁this ▁second ▁C ube S at , ▁e - st @ r - II , ▁ ▁the ▁ ▁world ▁amateur ▁radio ▁community ▁ ▁are ▁invited ▁in ▁a ▁contest ▁to ▁listen ▁out ▁for ▁ ▁satellite . ▁ ▁Currently ▁the ▁team ▁that ▁developed ▁the ▁satellite , ▁the ▁C ube S at Team ▁of ▁Pol ite c nico ▁di ▁Tor ino , ▁is ▁act ively ▁working ▁on ▁development ▁of ▁the ▁ ▁Next ▁model : ▁▁ 3 - ST AR , ▁a ▁ 3 U ▁C ube S