e/One-way voice link

Information
has gloss	eng: A one-way voice link (OWVL) is a shortwave radio broadcast used by spy networks to communicate with agents in the field. This system often employs recorders to transmit pre-recorded messages in real time or in burst transmissions, which minimize the time that a spy needs to be on the air.
lexicalization	eng: One Way Voice Link
lexicalization	eng: One-way voice link
instance of	c/Espionage techniques