Ian Waugh - A Mariner\'s Guide to Marine Communications

False alert sent on 2187.5kHz indicatingJ3E (voice) for subsequent

communications - DSC Distress Ack' received from station

002320014:

• RESET your DSC Controller (to stop it repeating the Distress Alert)


• Switch to 2182kHz (where everyone who received your false
  Distress Alert will be listening for YOUT Distress Call/Message:


• Call:
  'Mayday All Stations, All Stations, All Stations
  this is Justina, Justina,]ustina - callsign GJUS - MM SI 232456789
  Cancel my false Distress Alert sent on 2187.5kHz at 25/0520UTC -
  station 002320014 please acknowledge - Over'
  
  
  • Enter details in your radio log (example below).
  
  
  • Inform the master:
  
  
  
  

Date/time Station

UTC To

Station
From Remarks
27.10. 01
0520
0521
0521

232456789

002320014

All Stations Justina

002320014

(Distress Alert sent in error) J Uhuru

(Distress Acknowledged)

Cancel false Distress Alert 25 / 05200UTC

002320014 please acknowledge

Falmouth C/ G ·Received

Frequency

Channel or

Satellite

21!!7.5kHz

"

2182kHz

0522

0526 (no other verbal responses) (master informed)

0526 (off watch) J UhuTll

Author's explanation:

As your false alert was transmitted on 2187.5kHz indicating]3E, any

receiving vessel/Coast Station would be listening on 2182kHz. Having

received a DSC Distress Acknowledgement from Coast Station 002320074,

you asked that station to acknowledge receipt of your cancellation message -

then maintained watch on 2782kHzfor a few more minutes to receive any

late responses from stations that may not have received your voice

cancellation message. Remember to RESET your DSC Controller before

sending the voice cancellation message - or you'll be sendingfalse alerts

every four minutes or so.

MARINE COMMUNICATIONS 107