School eke podi Broadcasting service ekak patanganna idea ekak thiyenawa, apita Max 5K walata permission ganna puluwan. ithin Mata 5Km - 10 Km withara weda karana transmitter ekak hoyala dennako, Danna kenek innawanam Mata PM karanna. Circuit diagram eka ewanna. BFY 51 Transistor eken hadana eka nam epa, eka maximum 500m witharai weda karanne



