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- GPS-and-AIS-for-marine-bouys
- 01-22-2006
  Re: GPS and AIS for marine bouys
| Andreas van Hoo... | 01-22-2006 |
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Well, at least in the Malacca Straits some buoys are equipped with AIS
transmitters sending information on their type, position, light status
and weather information.
On the Great Lakes meteorological and hydrological data is broadcasted
every 15 mins.
The systems offers the possibility to
broadcast safety messages, tidal windows, info on closed fairways and
even re-broadcasting of radar targets that are not equipped with AIS.
Best regards,
Holger
www.yacht-ais.com
> Larry Wrote:
>> None of the bouys have AIS transmitters on them. There is a shore
>> station with a tall antenna in the area that transmits all the data for
>> all the stationary objects every, I think the specs say, 10 minutes, so
>> as not to jam up the time as the objects aren't moving, anyways. This
>> shore station may have a range of over 50 miles from its lofty antenna on
>> some communications tower. What you're hearing is the bouys' data sets
>> from it, not the bouys, themselves. Your VHF AIS system isn't a radar
>> looking for RF from an object. It's simply displaying data sent from
>> anywhere about the object at that location.
>> If someone reported a container had fallen off a containership at X
>> location and the end of it was sticking out of the mud, the guys running
>> the AIS fixed stuff transmitter (it doesn't listen, it's just a
>> transmitter) simply add the data on this container at X location to the
>> computer that stores and runs the transmitter, the container instantly
>> showing up on everyone's AIS display blinking away in some sort of new
>> warning mode I haven't seen, yet.
>> Instant, graphical, constantly updated and displayed notice to mariners
>> is one of the finest things AIS can do if the bureaucrats tasked with the
>> notice to mariners will cooperate and not treat AIS like they're being
>> forced to do slave labor in its upkeep. It replaces those way-too-late-
>> for-anything stupid paper reports of old in a very beneficial way.
>> station with a tall antenna in the area that transmits all the data for
>> all the stationary objects every, I think the specs say, 10 minutes, so
>> as not to jam up the time as the objects aren't moving, anyways. This
>> shore station may have a range of over 50 miles from its lofty antenna on
>> some communications tower. What you're hearing is the bouys' data sets
>> from it, not the bouys, themselves. Your VHF AIS system isn't a radar
>> looking for RF from an object. It's simply displaying data sent from
>> anywhere about the object at that location.
>> If someone reported a container had fallen off a containership at X
>> location and the end of it was sticking out of the mud, the guys running
>> the AIS fixed stuff transmitter (it doesn't listen, it's just a
>> transmitter) simply add the data on this container at X location to the
>> computer that stores and runs the transmitter, the container instantly
>> showing up on everyone's AIS display blinking away in some sort of new
>> warning mode I haven't seen, yet.
>> Instant, graphical, constantly updated and displayed notice to mariners
>> is one of the finest things AIS can do if the bureaucrats tasked with the
>> notice to mariners will cooperate and not treat AIS like they're being
>> forced to do slave labor in its upkeep. It replaces those way-too-late-
>> for-anything stupid paper reports of old in a very beneficial way.
> Hi Larry,
> AIS offers both remote broadcasting of AIS data for buoys etc. and also
> buoys that transmit themselves. Those self-transmitting buoys are
> mounted in the Malacca Strait to my certain knowledge. They are mounted
> with these devices: http://www.zenilite.co.jp/english/Home%20page.htm
> and I was told so by the manufacturer.
> Contrary, on the Great Lakes all data is broadcasted from the shore
> stations. (I only know of met/hydro/traffic data, do they also
> broadcast data on buoys?).
> As for alarms on dangers to navigation via AIS, the problem is that
> they can, at the moment, only be transferred as plain text messages.
> But it would be possible for the IMO (or any competent agency for its
> area) to specify a binary message with exactly this context....
> I know this, because I am developing AIS software....
> Best regards,
> Holger
> AIS offers both remote broadcasting of AIS data for buoys etc. and also
> buoys that transmit themselves. Those self-transmitting buoys are
> mounted in the Malacca Strait to my certain knowledge. They are mounted
> with these devices: http://www.zenilite.co.jp/english/Home%20page.htm
> and I was told so by the manufacturer.
> Contrary, on the Great Lakes all data is broadcasted from the shore
> stations. (I only know of met/hydro/traffic data, do they also
> broadcast data on buoys?).
> As for alarms on dangers to navigation via AIS, the problem is that
> they can, at the moment, only be transferred as plain text messages.
> But it would be possible for the IMO (or any competent agency for its
> area) to specify a binary message with exactly this context....
> I know this, because I am developing AIS software....
> Best regards,
> Holger
I wrote an article about AIS in September:
http://www.gps-practice-and-fun.com/200509.html#e22
If you would like to experiment with AIS, have a look at Frank's site. At
the bottom of the page "Tracking ships! : Tracking ships with an AIS
engine."
http://www.geocities.com/gps2sms/
Best regards
--
Andreas van Hooijdonk
http://www.gps-practice-and-fun.com
> Well, at least in the Malacca Straits some buoys are equipped with AIS
> transmitters sending information on their type, position, light status
> and weather information.
> On the Great Lakes meteorological and hydrological data is broadcasted
> every 15 mins.
> The systems offers the possibility to
> broadcast safety messages, tidal windows, info on closed fairways and
> even re-broadcasting of radar targets that are not equipped with AIS.
> Best regards,
> Holger
> www.yacht-ais.com
> transmitters sending information on their type, position, light status
> and weather information.
> On the Great Lakes meteorological and hydrological data is broadcasted
> every 15 mins.
> The systems offers the possibility to
> broadcast safety messages, tidal windows, info on closed fairways and
> even re-broadcasting of radar targets that are not equipped with AIS.
> Best regards,
> Holger
> www.yacht-ais.com
> > Larry Wrote:
> >> None of the bouys have AIS transmitters on them. There is a shore
> >> station with a tall antenna in the area that transmits all the data for
> >> all the stationary objects every, I think the specs say, 10 minutes, so
> >> as not to jam up the time as the objects aren't moving, anyways. This
> >> shore station may have a range of over 50 miles from its lofty antenna
on
> >> station with a tall antenna in the area that transmits all the data for
> >> all the stationary objects every, I think the specs say, 10 minutes, so
> >> as not to jam up the time as the objects aren't moving, anyways. This
> >> shore station may have a range of over 50 miles from its lofty antenna
> >> some communications tower. What you're hearing is the bouys' data sets
> >> from it, not the bouys, themselves. Your VHF AIS system isn't a radar
> >> looking for RF from an object. It's simply displaying data sent from
> >> anywhere about the object at that location.
> >> If someone reported a container had fallen off a containership at X
> >> location and the end of it was sticking out of the mud, the guys
running
> >> from it, not the bouys, themselves. Your VHF AIS system isn't a radar
> >> looking for RF from an object. It's simply displaying data sent from
> >> anywhere about the object at that location.
> >> If someone reported a container had fallen off a containership at X
> >> location and the end of it was sticking out of the mud, the guys
> >> the AIS fixed stuff transmitter (it doesn't listen, it's just a
> >> transmitter) simply add the data on this container at X location to the
> >> computer that stores and runs the transmitter, the container instantly
> >> showing up on everyone's AIS display blinking away in some sort of new
> >> warning mode I haven't seen, yet.
> >> Instant, graphical, constantly updated and displayed notice to mariners
> >> is one of the finest things AIS can do if the bureaucrats tasked with
the
> >> transmitter) simply add the data on this container at X location to the
> >> computer that stores and runs the transmitter, the container instantly
> >> showing up on everyone's AIS display blinking away in some sort of new
> >> warning mode I haven't seen, yet.
> >> Instant, graphical, constantly updated and displayed notice to mariners
> >> is one of the finest things AIS can do if the bureaucrats tasked with
> >> notice to mariners will cooperate and not treat AIS like they're being
> >> forced to do slave labor in its upkeep. It replaces those
way-too-late-
> >> forced to do slave labor in its upkeep. It replaces those
> >> for-anything stupid paper reports of old in a very beneficial way.
> > Hi Larry,
> > AIS offers both remote broadcasting of AIS data for buoys etc. and also
> > buoys that transmit themselves. Those self-transmitting buoys are
> > mounted in the Malacca Strait to my certain knowledge. They are mounted
> > with these devices: http://www.zenilite.co.jp/english/Home%20page.htm
> > and I was told so by the manufacturer.
> > Contrary, on the Great Lakes all data is broadcasted from the shore
> > stations. (I only know of met/hydro/traffic data, do they also
> > broadcast data on buoys?).
> > As for alarms on dangers to navigation via AIS, the problem is that
> > they can, at the moment, only be transferred as plain text messages.
> > But it would be possible for the IMO (or any competent agency for its
> > area) to specify a binary message with exactly this context....
> > I know this, because I am developing AIS software....
> > Best regards,
> > Holger
> > AIS offers both remote broadcasting of AIS data for buoys etc. and also
> > buoys that transmit themselves. Those self-transmitting buoys are
> > mounted in the Malacca Strait to my certain knowledge. They are mounted
> > with these devices: http://www.zenilite.co.jp/english/Home%20page.htm
> > and I was told so by the manufacturer.
> > Contrary, on the Great Lakes all data is broadcasted from the shore
> > stations. (I only know of met/hydro/traffic data, do they also
> > broadcast data on buoys?).
> > As for alarms on dangers to navigation via AIS, the problem is that
> > they can, at the moment, only be transferred as plain text messages.
> > But it would be possible for the IMO (or any competent agency for its
> > area) to specify a binary message with exactly this context....
> > I know this, because I am developing AIS software....
> > Best regards,
> > Holger
Thanks for the information, Andreas.
Does anyone know whether the NASA Marine AIS engine/receiver can be directly
connected to a Garmin 376c via NMEA data input so the other ships will
appear on the display of the 376c???
http://www.nasamarine.com/AIS/AISENGINE.html
http://www.garmin.com/products/gpsmap376c/
If so, it would be an amazingly small and powerful marine navigational tool
for pleasure boaters.
>I wrote an article about AIS in September:
> http://www.gps-practice-and-fun.com/200509.html#e22
> If you would like to experiment with AIS, have a look at Frank's site. At
> the bottom of the page "Tracking ships! : Tracking ships with an AIS
> engine."
> http://www.geocities.com/gps2sms/
> Best regards
> --
> Andreas van Hooijdonk
> http://www.gps-practice-and-fun.com
> Holger wrote:
> http://www.gps-practice-and-fun.com/200509.html#e22
> If you would like to experiment with AIS, have a look at Frank's site. At
> the bottom of the page "Tracking ships! : Tracking ships with an AIS
> engine."
> http://www.geocities.com/gps2sms/
> Best regards
> --
> Andreas van Hooijdonk
> http://www.gps-practice-and-fun.com
> Holger wrote:
>> Well, at least in the Malacca Straits some buoys are equipped with AIS
>> transmitters sending information on their type, position, light status
>> and weather information.
>> On the Great Lakes meteorological and hydrological data is broadcasted
>> every 15 mins.
>> The systems offers the possibility to
>> broadcast safety messages, tidal windows, info on closed fairways and
>> even re-broadcasting of radar targets that are not equipped with AIS.
>> Best regards,
>> Holger
>> www.yacht-ais.com
>> transmitters sending information on their type, position, light status
>> and weather information.
>> On the Great Lakes meteorological and hydrological data is broadcasted
>> every 15 mins.
>> The systems offers the possibility to
>> broadcast safety messages, tidal windows, info on closed fairways and
>> even re-broadcasting of radar targets that are not equipped with AIS.
>> Best regards,
>> Holger
>> www.yacht-ais.com
>> > Larry Wrote:
>> >> None of the bouys have AIS transmitters on them. There is a shore
>> >> station with a tall antenna in the area that transmits all the data
>> >> for
>> >> all the stationary objects every, I think the specs say, 10 minutes,
>> >> so
>> >> as not to jam up the time as the objects aren't moving, anyways. This
>> >> shore station may have a range of over 50 miles from its lofty antenna
>> >> None of the bouys have AIS transmitters on them. There is a shore
>> >> station with a tall antenna in the area that transmits all the data
>> >> for
>> >> all the stationary objects every, I think the specs say, 10 minutes,
>> >> so
>> >> as not to jam up the time as the objects aren't moving, anyways. This
>> >> shore station may have a range of over 50 miles from its lofty antenna
> on
>> >> some communications tower. What you're hearing is the bouys' data
>> >> sets
>> >> from it, not the bouys, themselves. Your VHF AIS system isn't a radar
>> >> looking for RF from an object. It's simply displaying data sent from
>> >> anywhere about the object at that location.
>> >> If someone reported a container had fallen off a containership at X
>> >> location and the end of it was sticking out of the mud, the guys
>> >> sets
>> >> from it, not the bouys, themselves. Your VHF AIS system isn't a radar
>> >> looking for RF from an object. It's simply displaying data sent from
>> >> anywhere about the object at that location.
>> >> If someone reported a container had fallen off a containership at X
>> >> location and the end of it was sticking out of the mud, the guys
> running
>> >> the AIS fixed stuff transmitter (it doesn't listen, it's just a
>> >> transmitter) simply add the data on this container at X location to
>> >> the
>> >> computer that stores and runs the transmitter, the container instantly
>> >> showing up on everyone's AIS display blinking away in some sort of new
>> >> warning mode I haven't seen, yet.
>> >> Instant, graphical, constantly updated and displayed notice to
>> >> mariners
>> >> is one of the finest things AIS can do if the bureaucrats tasked with
>> >> transmitter) simply add the data on this container at X location to
>> >> the
>> >> computer that stores and runs the transmitter, the container instantly
>> >> showing up on everyone's AIS display blinking away in some sort of new
>> >> warning mode I haven't seen, yet.
>> >> Instant, graphical, constantly updated and displayed notice to
>> >> mariners
>> >> is one of the finest things AIS can do if the bureaucrats tasked with
> the
>> >> notice to mariners will cooperate and not treat AIS like they're being
>> >> forced to do slave labor in its upkeep. It replaces those
>> >> forced to do slave labor in its upkeep. It replaces those
> way-too-late-
>> >> for-anything stupid paper reports of old in a very beneficial way.
>> > Hi Larry,
>> > AIS offers both remote broadcasting of AIS data for buoys etc. and also
>> > buoys that transmit themselves. Those self-transmitting buoys are
>> > mounted in the Malacca Strait to my certain knowledge. They are mounted
>> > with these devices: http://www.zenilite.co.jp/english/Home%20page.htm
>> > and I was told so by the manufacturer.
>> > Contrary, on the Great Lakes all data is broadcasted from the shore
>> > stations. (I only know of met/hydro/traffic data, do they also
>> > broadcast data on buoys?).
>> > As for alarms on dangers to navigation via AIS, the problem is that
>> > they can, at the moment, only be transferred as plain text messages.
>> > But it would be possible for the IMO (or any competent agency for its
>> > area) to specify a binary message with exactly this context....
>> > I know this, because I am developing AIS software....
>> > Best regards,
>> > Holger
>> > Hi Larry,
>> > AIS offers both remote broadcasting of AIS data for buoys etc. and also
>> > buoys that transmit themselves. Those self-transmitting buoys are
>> > mounted in the Malacca Strait to my certain knowledge. They are mounted
>> > with these devices: http://www.zenilite.co.jp/english/Home%20page.htm
>> > and I was told so by the manufacturer.
>> > Contrary, on the Great Lakes all data is broadcasted from the shore
>> > stations. (I only know of met/hydro/traffic data, do they also
>> > broadcast data on buoys?).
>> > As for alarms on dangers to navigation via AIS, the problem is that
>> > they can, at the moment, only be transferred as plain text messages.
>> > But it would be possible for the IMO (or any competent agency for its
>> > area) to specify a binary message with exactly this context....
>> > I know this, because I am developing AIS software....
>> > Best regards,
>> > Holger
>
>Thanks for the information, Andreas.
>Does anyone know whether the NASA Marine AIS engine/receiver can be directly
>connected to a Garmin 376c via NMEA data input so the other ships will
>appear on the display of the 376c???
>http://www.nasamarine.com/AIS/AISENGINE.html
>http://www.garmin.com/products/gpsmap376c/
>If so, it would be an amazingly small and powerful marine navigational tool
>for pleasure boaters.
>Does anyone know whether the NASA Marine AIS engine/receiver can be directly
>connected to a Garmin 376c via NMEA data input so the other ships will
>appear on the display of the 376c???
>http://www.nasamarine.com/AIS/AISENGINE.html
>http://www.garmin.com/products/gpsmap376c/
>If so, it would be an amazingly small and powerful marine navigational tool
>for pleasure boaters.
You can do this on a PocketPC, using Memory-Map Pro with the free AIS
plugin. MMP sells for about $160 from some Canadian dealers and
includes both Windows and PocketPC applications.
--
BRENT - The Usenet typo king. :)
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