U fiirso qoraalka hoose ka dibna ka jawaab su'aasha kadib isla luqadda qoraalka:  Marinka: Ka dib markii rafcaannada Mutual ay diideen FCC, RCA waxay gudbisay racfaan u gaar ah si ay u soo celiso amarka iibinta. Si kastaba ha noqotee, 1941, shirkaddu waxay go'aansatay inay iibiso NBC Blue haddii ay dhacdo in rafcaanteeda la diido. Shabakada Blue Network waxaa si rasmi ah loogu magacaabay NBC Blue Network, Inc. iyo NBC Red waxay noqotay NBC Red Network, Inc. ujeedooyinka shirkadaha. Labada shabakadood waxay si rasmi ah u kala tageen hawlahooda Janaayo 8, 1942, iyadoo Shabakadda Buluugga ah loo yaqaan "Buluug" ama "Shabakadda Buluugga ah", iyo Shirkadda Shabakadda Buluugga ah, Inc. oo u adeegta magaceeda rasmiga ah. Dhanka kale, NBC Red, ayaa hawada looga yaqaanay "NBC". Shirkadda maalgashiga ee Dillon, Read & Co. waxay soo bandhigtay dalab $ 7.5 milyan ah oo loogu talagalay NBC Blue, dalab ay diideen madaxa fulinta NBC Mark Woods iyo madaxweynaha RCA David Sarnoff.  Su'aal: Muxuu NBC Red u noqday mid la yaqaan?
Shabakada Cas ee NBC, Inc