Signals and Communication Flashcards
(43 cards)
“Over”
-Invitation for radio reply
“Station Calling”
-Asking the station calling to repeat/identify themselves.
“Out”
-I have finished this conversation
“Received”
-I have received and understood your message
“Standby”
-Said by the coastguard, when telling you to wait until called back.
Radio Channels:
What are ship-ship channels?
6, 8, 72, 77
Radio Channels:
What are UK Marina channels?
80 or M (47 or 47A)
Radio Channels:
What are the UK coastguard channels?
16 and 67
What is the code that a ship is heading to danger?
- “U” (di di dah or . . _)
- Flag: 4 Squares: 2 diagonal red quadrants and 2 whites.
What does horizontal waving of a flag/flare indicate?
- “Negative”
- “Move away from here, it is highly dangerous”
What does vertical waving of a flag/flare indicate?
- “Affirmative”
- “This is the best place to land”
What are some air-surface replies?
- Drop a message / Rock wings / Flash lights twice
- T (dah or ) or R (di dah dit or ..) if received:
- Doesn’t signal/flies in a circle if not understood.
- RPT (“repeat”) (di dah dit - di dah dah dit - dah)
- Pneumonic: “RIP ._. - . . - . __ .”
- Pneumonic: “ET: . - _”
“Yes” or “Affirmative”
- Flag: (Lines): Blue - White - Red - White - Blue
- “C”
- Morse Code: (Dah di Dah dit) / _ . _ .
- Pneumonic: “CNN” = _ . _ . - _ . - _ .
“No” / “Negative”
- Flag: Blue and white checkered
- “N”
- Morse Code: (Dah dit) / _ .
- Pneumonic: “CNN” : _ . _ . - _ . - _ .
“I require medical assistance”
- Flag: Red sq in white sq in blue sq
- “W”
- Morse Code: (di dah dah) / . _ _
“I require assistance”
- Flag: Red X on White background
- “V”
- Morse Code: (di di di dah) / . . . _
- “I require assistance from the doctor, daVid Tennant, who’s heart goes Di di di Dah”
Flares:
What are the offshore flares? (>7 miles from land)
- 4 x red hand flares
- 2 x buoyant orange smoke
- 4 x red parachute flares
Flares:
What are the costal flares? (3-7 miles from land)
- 2 x red hand flares
- 2 x orange hand smoke
- 2 x red parachute flares
Flares:
What are the inshore flares? (<3 miles from land)
- 2 x red hand flares
- 2 x orange hand smoke
Flares:
If seen, what is the response from the life-station?
- Orange smoke signal
- White star rockets x 3 - 1 minute apart.
For routine communications, should the radio be set to high or low power?
Low
What are some forbidden transmissions?
- Discussion about sports
- Distress signal without the master’s permission
- Broadcasting music
- General chitchat
- Transmission without identification
- Sending a hoax distress
- Indecent language
- Using the radio unsupervised if not the holder of an operator’s licence.
Name four inter-ship channels?
6, 8, 72, and 77
What is an MMSI?
A 9 digit number which identifies the craft using digital selective calling (DSC)
