GMDSS
VHF (SURVIVAL CRAFT
WALKIE-TALKIE)
GMDSS VASU
PH: 096299 80476 PONDICHERRY vasurc@gmail.com
How many GMDSS VHF (walkie talkies)
are available on board?
Vessels
above 500 GRT:
Every
vessel carries 3 GMDSS walkie- talkies
Each
walike-talkie –talkie has 2 batteries.
One
is attached with the set. One is sealed spare battery.
Vessels
above 300 GRT – 500 GRT:
Carrying
2 GMDSS walkie talkies
What type of battery is used?
Battery
–Lithium
What is the battery life?
Shelf
life – 2 years
Operating
life/ working for – 48 hours in Standby Mode
8 hours in Transmitting Mode
What is the power out put?
Power
Output – Max – 1 watt
Minimum - 250 milli watts – varied in
manufacturing – different models are available
What is the emission?
Emission
– F3E
What is the propagation?
Propagation
– Line of Sight (VHF propagation)
What are the important channels?
CH
16 and CH06
How do you test GMDSS VHF?
Monthly
test.
Test
with another GMDSS VHF other than CH 16
GMDSS VASU PH: 096299 80476 PONDICHERRY vasurc@gmail.com
What are the special features of GMDSS
walkie talkie?
- HIGHLY VISIBLE IN COLOUR
- ON / OFF VISBLE INDICATION
- SIGNLE HAND OPERATION
- HARD SURFACE DROP RESISTANCE FROM A HEIGHT OF ONE METRE
ON WATER SURFACE 20 METERS
- BUOYANT & WATER PROOF TO A DEPTH OF ONE METRE FOR FIVE MINUTES
- SHOULD BE CARRIED ALONG TO THE SURVIAL CRAFT WITH SPARE SEALED PRIMARY BATTERY
- OUT PUT POWER
MINIMUM : 0.25 watts (250 milli watts)
MAXIMUM : 5 watts, but normally 1 W
GMDSS VASU
PH: 096299 80476 PONDICHERRY vasurc@gmail.com
