On sending personal telegrams, the Navy training manuals and procedure books include plenty of info on how to do that and how much to charge the sender. Of course timing would depend on the tactical situation.....
301. Class E messages.--"Class E messages are unofficial personal messages. They
may be sent to or from any person in the naval service and may be handled free of charge
over that part of the circuit which is under control of the Navy. Where charges are involved,
these charges must be prepaid.
302. Acceptance of traffic.-Subject to the rules set forth in article 2210, the Chief of
Naval Operations, commandants of naval districts, senior naval authority at outlying
activities at which there is a naval radio station, and all naval ships are authorized to accept
Class E messages, which shall be handled in accordance with the instructions set forth in the
following articles.
may be sent to or from any person in the naval service and may be handled free of charge
over that part of the circuit which is under control of the Navy. Where charges are involved,
these charges must be prepaid.
302. Acceptance of traffic.-Subject to the rules set forth in article 2210, the Chief of
Naval Operations, commandants of naval districts, senior naval authority at outlying
activities at which there is a naval radio station, and all naval ships are authorized to accept
Class E messages, which shall be handled in accordance with the instructions set forth in the
following articles.