[digitalradio] Universal Shipborne Automatic Identification System (AIS) ?

2009-07-29 Thread Andrew O'Brien
Does anyone know what mode is used to transmit AIS information on VHF maritime channels ? -- Andy

[digitalradio] Re: Universal Shipborne Automatic Identification System (AIS) ?

2009-07-29 Thread nf2g
All emissions on those channels are FM. 73 de Dave, NF2G

Re: [digitalradio] Re: Universal Shipborne Automatic Identification System (AIS) ?

2009-07-29 Thread Andrew O'Brien
Thanks Dave, is it via some sort of data burst? On Wed, Jul 29, 2009 at 10:30 AM, nf2g d...@nf2g.com wrote: All emissions on those channels are FM. 73 de Dave, NF2G __._,

[digitalradio] CQ Hawaii

2009-07-29 Thread Andrew O'Brien
I need a LOTW verified QSO with a station in Hawaii via any valid digital mode . This is all I need to accomplished the ARRL LOTW Triple Play award. Any Hawaii stations on this list ?

Re: [digitalradio] Addonics converter: Zapped PCs, data recovery, and Windows !

2009-07-29 Thread John Gleichweit
I use a docking station that allows you to drop a SATA drive into it, and it acts just like another hard drive on the system. it plugs into the computer via a USB line, and has an external power supply to get the +5 and +12 to spin the drive. This model of dock also has memory card slots and 2

[digitalradio] Re: Universal Shipborne Automatic Identification System (AIS) ?

2009-07-29 Thread aa777888athotmaildotcom
They are not normal FM transmissions. AIS uses an emission designator of 16K0FD. More specifically, a 9.6kbps GMSK FM modulation using HDLC packet protocols. Almost everything you need to know is right here: http://www.navcen.uscg.gov/enav/ais/default.htm Scott --- In

Re: [digitalradio] Re: Universal Shipborne Automatic Identification System (AIS) ?

2009-07-29 Thread Andrew O'Brien
Any public domain software that can decode it ? On 7/29/09, aa777888athotmaildotcom aa777...@hotmail.com wrote: They are not normal FM transmissions. AIS uses an emission designator of 16K0FD. More specifically, a 9.6kbps GMSK FM modulation using HDLC packet protocols. Almost everything

[digitalradio] Re: Universal Shipborne Automatic Identification System (AIS) ?

2009-07-29 Thread aa777888athotmaildotcom
Google is your friend. Found this for you, but not sure if it works any good: http://www.coaa.co.uk/shipplotter.htm Scott --- In digitalradio@yahoogroups.com, Andrew O'Brien andrewob...@... wrote: Any public domain software that can decode it ? On 7/29/09, aa777888athotmaildotcom

Re: [digitalradio] Re: Universal Shipborne Automatic Identification System (AIS) ?

2009-07-29 Thread Trevor .
Looks like AX.25 9600 packet by a different anme. Anyone know if the G3RUH modem decodes it ? 73 Trevor M5AKA

Re: [digitalradio] Re: Universal Shipborne Automatic Identification System (AIS) ?

2009-07-29 Thread David
Hi All...have tried to see if Shipplotter will run on Linux under Wine have got the GUI up and it seems as if may be working ok. havent got the hardware to fully try it out. 73 David VK4BDJ aa777888athotmaildotcom wrote: Google is your friend. Found this for you, but not sure

[digitalradio] New FX.25 Protocol - Amateur Radio Satellite Experiment

2009-07-29 Thread Trevor .
ANDE due for deployment from the Space Shuttle tomorrow will experiment with the FX.25 protocol. Based on the 1980's AX.25 standard the new FX.25 features forward error correction. ANDE FX.25 Protocol Experiment https://goby.nrl.navy.mil/ANDE/Amateur_Radio.html Four Amateur Radio