spark-gap transmit-receive tube
(рлк.) розрядник захисту приймача
(рлк.) розрядник захисту приймача
Ground Antenna Transmit and Receive (GATR)
transmit (Tx) and receive (Rx) (levels, protocols, etc.)
spark extinguishing / spark-extinguishing
constricted air gap spark plug
distributor vacuum spark control tube