All police communication codes in MD
10-1: Signal Check
10-2: Receiving Well
Used to confirm that a radio transmission is being received clearly and intelligibly.
10-4: Message Received
Used to acknowledge that a message or transmission was received and understood.
10-5: No Acknowledgment
10-6: Standby
10-9: Repeat Last Transmission
10-11: Meet Me At ______
10-17: Phone Station
10-19: Call ______
10-20: Location
10-22: Disregard
10-26: Switch to Citywide Channel (Talkgroup)
10-36: Description
10-47: Negative
10-48: Affirmative