⚡📻🚢

#radio waves #wireless telegraphy #guglielmo marconi #maritime communication

📻🆘1️⃣6️⃣

#channel 16 #vhf marine radio #mayday channel #distress call #maritime communication #boat radio #emergency frequency

🌊🚩🟥🟦🟨

#signal flags #international code of signals #ICS #maritime communication #nautical flags #ship signaling #alphabet flags

🚢🚩🚩

#flag semaphore #maritime communication #naval signaling #ship signals #nautical flags #signal flags

📡🚢🔊

#ship radio #vhf antenna #maritime communication #radio signal #vessel communication #fixed mount radio

🚢🚩✉️

#maritime communication #ship signals #signal flag message #nautical message #boat code #semaphore visual

⚓💬

#ship crew chat #nautical chat #sailors chat #boat crew chat #maritime communication #sea crew chat