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Old 02 September 2012, 09:53   #51
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Out of interest - can someone tell me please what DSC data is sent when making a routine traffic call to the coastguard?
In case you haven't deciphered it in the official document Poly sent - position is not (routinely) sent with routine calls. If you are communicating

Interesting links:
DSC Map
(No idea why ACRO DEE sent their pos!)

DSC messages
(all routine / non-routine messages on CH70 in the Solent.) Not as busy as you might expect!

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I ask because as there is no signal at one of the slipways I use, I have to call in when 500m out at sea, or at the top of the hill in the car, and wondered if that would be apparent / confusing to the CG?
Technically you should not transmit unless on the water. It may not be apparent from the DSC message, but if they really wanted to find you they can use DF on your signal.

Steve[/QUOTE]
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Old 02 September 2012, 10:20   #52
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Thanks for that too...

and I quite agree

<<Technically you should not transmit unless on the water. It may not be apparent from the DSC message, but if they really wanted to find you they can use DF on your signal.>>

This is correct - I'm just taking the view that it's better to call when safely back on land and in coverage, rather than call when still out as sea given the lack of VHF and mobile coverage on the slip.

A bit like riding a horse on a wide empty pavement to reduce danger and avoid holding the traffic up.

Guilty as charged on both but I doubt any sheriff or magistrate would follow that through if it's clearly for safety and not causing a problem in reality

It was actually that point that prompted by query, as I wondered if my position was being flagged up on the road :o)

Cheers

Steve

PS - we did have a vessel doing 45kts on an A road last week - AIS left on when on the trailer (not mine I hasten to add!)
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Old 02 September 2012, 10:59   #53
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This is correct - I'm just taking the view that it's better to call when safely back on land and in coverage, rather than call when still out as sea given the lack of VHF and mobile coverage on the slip.
I am put in mind of the old saying "tis better to be judged by twelve than carried by six".

Also I believe you cannot be prosecuted for doing something that keeps you safe, and remaining in contact with the costies does do that.
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Old 02 September 2012, 11:05   #54
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Old 02 September 2012, 11:20   #55
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Also I believe you cannot be prosecuted for doing something that keeps you safe, and remaining in contact with the costies does do that.
I'm not sure that is actually true but in the part of the world where Copinsay is nobody would prosecute for a practical and common sense approach. The official answer is likely to encourage you to use the telephone once on shore. In Copinsay's case the likelihood is that if his slipway is out of range of any transmitter then 500m up the road isn't in range of two required to fix a position!

I nearly used the VHF to call the coasties from the side of the road once: I had a puncture on the car, I was already running late, and then discovered that the wheel brace in the car didn't fit the wheel nuts on the car! My mobile was dead (it had been for a swim), and I had a long walk to the nearest phone box. I figured it would be better to break the rules and avoid my wife reporting me overdue and the resulting search. In the end a good Samaritan stopped and lent me a phone...
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Old 02 September 2012, 11:36   #56
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I'm not sure that is actually true
Neither am I, but I also vaguely recall it has a specific name. Where is Avocet when we need him?
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Old 02 September 2012, 14:11   #57
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I have an entel ht640. No probs in 5 years and submersible.
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Old 02 September 2012, 19:52   #58
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Well this has all got jolly exciting..
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if it was on fire then I wouldn't be using the handheld DSC, I would still be on the boat and therefore able to use flares/fixed DSC/AIS not to mention PLB permanently on my lifejacket
Notwithstanding wavelength's very good point about why an early departure from a boat on fire might be wise, even a small fire has the potential to wipe out all your on board electrics. Might I ask why you have have a DSC handheld if you always plan to be on board the boat with a working radio and a PLB on your person as a backup if you go for a swim?
Well I don't even have a working fixed VHF anyway so the HX851 is my only radio

Fire is the only time I would consider "abandoning ship" if you like. It is my belief that there is no other circumstance when it is safer to be away from the boat than "on" it. If it capsizes, it will float. If all the tubes burst and the hull is raked with machine gun fire, it will still float.

If the engine sets itself on fire (the most likely place on the boat to cause ignition?) then it has to heat the transom and fibreglass to around 350deg Celcius for the resin to reach its flash point. Although the engine will already be burning at this temperature, it will take a few minutes to heat the transom I think. The battery (soon to be -ies) and radio are fitted to the console, totally isolated if you like, from the fire. They could be used to send a distress message quite easily, certainly enough time to fire a 25W DSC message.

Before abandoning ship, unlike in an aircraft, I think it is worthwhile at least attempting to tackle the fire because it can be kept quite easily to an isolated area. If the engine catches light and is then put out, fine we have no power but at least we are out of the water, potentially still with a 25W radio set.

Anyway this is all academic, I have no working radio, so there's no point either trying to fight the fire or stay on board long enough to use it.

HX851 + PLB is the way forward
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Old 02 September 2012, 20:02   #59
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<< If all the tubes burst and the hull is raked with machine gun fire, it will still float.>>


Wow - I didn't realise things had got that bad in England since I moved to Orkney... good you have thought these things through though.

Steve
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Old 02 September 2012, 20:17   #60
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