View source for Procedure for When Net Control Operator Cannot Hear Some Operators

During the check-in process
# Ask all operators to report any check-ins that you have missed by using the proword “Relay.”
# Acknowledge the relay by saying “Relay, go ahead.”
# Record the check-in and the station that relayed it as you will need it later for further communication with the relayed station. 
# If you need additional information from the relayed station ask the relaying station to request the information on your behalf.
# Wait for the relaying station to obtain the requested information and report back to you.
# Acknowledge the receipt of the information.
# Expect to the relaying operator to give their tactical and FCC call signs and the word “Out”
# Repeat the above steps until no one offers another relay.
After check-in when you need information or are ready to receive traffic from your stations

# If you previously checked in someone via relay because you could not hear them directly, ask the station that provided relay to request the information on your behalf.
# Wait for the relaying station to obtain the requested information and report back to you.
# Acknowledge the receipt of the information.
# Expect to the relaying operator to give their tactical and FCC call signs and the word “Out”
# Repeat the above steps until you have requested information from all stations on your roster that you cannot hear directly.

After check-in when you have information or traffic to share with the stations in your subnet

# If you previously checked in someone via relay because you could not hear them directly, ask the station that provided relay to confirm that the previously relayed stations have received the information you have shared or need any fills.  Suggest to the relaying station that they can provide any fills if they are comfortable doing so.
# Wait for the relaying station to obtain the confirmation or a request for clarification or a fill.
# If the relaying station reports that additional information or fills are needed, provide them and ask the relaying station to confirm the information has been received or provide the fills if they are needed. 
# When the relaying station is finished, expect to the relaying operator to give their tactical and FCC call signs and the word “Out”
# Repeat the above steps until you have requested information from all stations on your roster have confirmed they have received the information.