- Do not request the distress alert except in an emergency
- The distress alert is routed to RCC(Rescue Cordination Center)
Welcome to My Blog ! (Here are very useful tips for Phil. and Myanmar officers of HMM/HMS fleet)
Monday, May 20, 2013
■ Distress alert transmission procedures(JRC, Inmarsat-C, JUE-85C)
Thursday, May 16, 2013
■ Distress ACK Call (JRC, MF/HF Radio, JSS-296/596/896)
Transmit the distress acknowledge call to the ship in distress only when you do not receive
it from a coast station and you are able to aid the ship in distress.
it from a coast station and you are able to aid the ship in distress.
■ Individual Acknowledge Call (JRC MF/HF Radio, JSS-296/596/896)
When an andividual call is received, The automatic acknowledge will be sent.
But If you want to send acknowledge by manual, Do as follows
But If you want to send acknowledge by manual, Do as follows
Wednesday, May 15, 2013
■ ITU SSB frequencies (ITU RR Appendix 16)
- For SSB(Radio telephone) communication between ships, You should use SIMPLEX channel as below
- For SSB communication with public radio station(ex, Seoul Radio Station), You should use DUPLEX channel as below mentioned table
- You can find this table at Appendix 4 of operator's manual
- ITU channels are:
1) Internationally standardized assignments of frequency pairs for common use.
2) Frequency assignments specific to U.S. vessels only.
3) VHF-FM frequencies.
4) International Traffic Utility frequencies. - Which of the following defines "ITU Channel 816"?
1) Ch-16 in the 8 MHz band.2) Ch-8 in the 16 MHz band.
3) Ch-816 in the MF band.
Tuesday, May 14, 2013
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