What is True Motion on radar and why do we use it??

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In this video, I explain the concept of true motion mode as used on marine radars. Using examples of scenarios, I explain the advantages and disadvantages of using the true motion mode over the relative motion mode (explained in previous videos/link given below).
Contents of this video will benefit mariners preparing for exams (written and oral examinations).
Mariners will also benefit by watching the following videos:
What is relative motion mode? • What is relative motio...
How to determine direction of relative motion? • How to interpret direc...
Introduction to marine radar: • Introduction to the Ma...
Radar (Radio waves and magnetron): • Marine Radar - Radio w...
Radar (Operator controls): • Marine Radar - Operato...
Limitations of RADAR: • Limitations of the mar...
Radar (Parallel Indexing): • Marine RADAR - Paralle...
Radar plotting (basics): • Radar Plotting - Basic...
Radar discrimination: • Marine RADAR - What is...
Radar operational errors and performance standards: • Marine RADAR - Operati...
Radar (target characteristics and transponders): • Marine RADAR - Target ...
Improper use of ARPA: • Improper use of ARPA l...
ARPA (History, target storage and acquisition, setting up): • ARPA (Automatic Radar ...
ARPA (Trial manoeuvre and track history): • ARPA - Trial maneuver...
ARPA (Alarms and Potential points of collision): • ARPA - Alarms, Symbols...
ARPA (Tracking accuracy and limitations): • Marine ARPA - Tracking...
ARPA (Causes of error in bearing and range calculation): • ARPA - Causes of error...
ARPA (Sea and ground stabilisation): • ARPA - Impact of Sea a...
Working principle of echo sounder: • Echo sounder on ships ...
Displays of echo sounder: • Echo sounders on ships...
Operational controls of the echo sounder: • Echo sounder on ships ...
Transducers of echo sounder: • Echo sounders - Transd...
Errors and limitations of echo sounder: • Echo sounder - Errors ...
Technical checks and Performance standards: • Echo sounder - Technic...
Gyro Compass (Part 1): • Gyro Compass Part 1 - ...
Gyro Compass (Part 2): • Gyro Compass Part 2 - ...
Gyro Compass (Part 3): • Gyro compass Part 3 - ...
Gyro Compass (Part 4): • Gyro Compass Part 4 - ...
Gyro compass errors (Part 5): • Gyro Compass Part 5: E...
Gyroscope (Axis of freedom and Precession) (Part 6): • Gyro Compass Part 6 - ...
Parts of a Gyro Compass (Part 7): • Gyro Compass Part 7: P...
Rate of Turn Indicator (ROTI) (Part 8): • Gyro Compass Part 8: R...
Top-heavy gyro compass (Part 9): • Gyro Compass Part 9: W...
Bottom-heavy gyro compass (Part 10): • Gyro Compass Part 10: ...
Magnetic anomalies: • Magnetic anomalies of ...
Ship's magnetism: • Ship's magnetism - Mag...
Earth's magnetism: • How does earth's magne...
Deviation of the magnetic compass: • Deviation of the Magne...
Magnetism (an introduction): • Magnetism - an introdu...
Parts of a magnetic compass (Video): • Parts of a magnetic co...
Using sextant to measure celestial altitudes: • How do you use a sexta...
Limitations of the sextant: • What are the Limitatio...
Reading the sextant: • How to read the sextan...
Horizontal angles (sextant): • Using horizontal sexta...
Adjustable errors (sextant): • Using horizontal sexta...
Non-adjustable errors (sextant): • Non-adjustable errors ...
Index error (sextant): • Sextant - Index error ...
Principle of operation (sextant): • Principle of operation...
Parts of a sextant (video): • Parts of a sextant and...
LORAN C (Part 1a - Hyperbolic system of navigation): • LORAN C - Part 1a (Un...
LORAN C (Part 1b - Transmission of radio waves): • Loran C - Part 1b (Und...
LORAN C (Part 2 - Working principle of LORAN C): • LORAN C - Part 2 (Work...
LORAN C (Part 3 - Errors and corrections of LORAN C): • LORAN C - Part 3 (Erro...

[@kennethikegbunam9011]

Thanks for this

[@nerulite706]

extremely well presented and very clear and concise language used.. A great Effort.

[@user-ur3sh3mr9h]

So much thanks, Go ahead.

[@ajeshrai6954]

very informative for me sir thanks

[@AakibKhan-ns6bh]

sir make vedio on staggered....i have watched one and want more on it of other type..

[@airborne6259]

Thank you -

[@user-xg8fm8xq8c]

Very useful that you

[@Aleks_Menaker]

which book are you using as examples in this video

[@smith1760]

In true motion you can see the true couse of the target vessel.What if there is a strong wind and the true course through the water is singificantly different from its HDG? And thus what you see visually and True Course are different? How to act in this situation?