Gday,
I am looking for radio enthusiasts with access to sites near the coast in WA to receive and share ship position info using the VHF AIS system. It can be done with a scanner/ham/marine rig http://www.discriminator.nl/index-en.html with software http://www.coaa.co.uk/shipplotter.htm or right up to an unattended dedicated receiver direct to the net without a PC.
Please have a look at the links on http://www.qrz.com/db/vk2gel and the recent Silicon Chip article http://www.siliconchip.com.au/cms/A_111517/article.html
Ideal locations would be near any of the big ports. The NW WA coast apparently experiences tropospheric ducting over long ranges which would be a plus.
Regards, Grant. VK2GEL.
Ship position receiving and sharing
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Ship position receiving and sharing
Last edited by VK2GEL on Mon Sep 14, 2009 6:02 am, edited 2 times in total.
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Re: Ship position receiving and sharing
Hi Grant
I'm situated near Albany WA,and have tried this for the last two months and only received 3 ships.
The ships only seem to turn on there AIS beacons when they come into the harbor.
As for sharing on the net, I'm only on dialup and not connected very often.
73's.....Derek
I'm situated near Albany WA,and have tried this for the last two months and only received 3 ships.
The ships only seem to turn on there AIS beacons when they come into the harbor.
As for sharing on the net, I'm only on dialup and not connected very often.
73's.....Derek
VBFB
VK6DZ
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Re: Ship position receiving and sharing
Gday Derek,
AFAIK ships over 300t are required to have their beacons on all the time.
Please tell me about your set up and I might be able to help. G.
AFAIK ships over 300t are required to have their beacons on all the time.
Please tell me about your set up and I might be able to help. G.
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Re: Ship position receiving and sharing
My work location is a few metres from Gage Roads but no internet connection
Rob
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Re: Ship position receiving and sharing
Hi Grant
Have given up for the time being as we only get about one ship per. week into port,
My antenna was broken by a tree falling in a storm last week
Might have a go in summer with the grain ships coming to port.
My setup seems to work OK other than the Antenna.
73's....Derek
Have given up for the time being as we only get about one ship per. week into port,
My antenna was broken by a tree falling in a storm last week
Might have a go in summer with the grain ships coming to port.
My setup seems to work OK other than the Antenna.
73's....Derek
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Re: Ship position receiving and sharing
This is fascinating!
I'd love to get involved but we're nowhere near the coast.
I'd love to get involved but we're nowhere near the coast.
WARSUG FESA and Scanning Special Events moderator
Re: Ship position receiving and sharing
long distance reporting?meg wrote:This is fascinating!
I'd love to get involved but we're nowhere near the coast.
Nathan Fenn
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Anything I say is my opinion, and has nothing to do with/does not reflect the views of anyone I was/am/will be involved with/employed by/volunteer for/associated with. There, I think that should cover it!
WARSUG Aviation Band & Reviews Moderator
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Re: Ship position receiving and sharing
There's bound to be ships of the desert up your waymeg wrote:This is fascinating!
I'd love to get involved but we're nowhere near the coast.
It is interesting though.. kinda fits in with APRS and ACARS.
Rob
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Re: Ship position receiving and sharing
After reading the postings, plus after a friend just a little north of Perth had been mentioning a bit as he was running Shipplotter again, I decided to install it and have a look. I had been meaning to for a while.
It's just not viable to continue. Had it running all day yesterday and apart from watching one cargo ship leave port early am, one single transmission all day and another ship enter port very early this morning thats been the summary of day one.
Day 2, I expect will be worse. There will be no day 3 I suspect.
It's just not viable to continue. Had it running all day yesterday and apart from watching one cargo ship leave port early am, one single transmission all day and another ship enter port very early this morning thats been the summary of day one.
Day 2, I expect will be worse. There will be no day 3 I suspect.
There are 10 types of people in this world. Those that understand binary and those who do not.
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Re: Ship position receiving and sharing
I've watched ships come and go from Alb port, but unless there is more than one ship they don't broadcast AIS info.
Maybe its a security issue (Terrorist, etc) Don't know.
Maybe its a security issue (Terrorist, etc) Don't know.
VBFB
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Re: Ship position receiving and sharing
Thanks for trying guys, really need users near the big WA ports.
Here's what's happening near Sydney http://aprs.fi/?lat=-33&lng=154&mt=m&z=8&timerange=3600
and Brisbane http://aprs.fi/?lat=-27&lng=155&mt=m&z=8&timerange=3600
Here's what's happening near Sydney http://aprs.fi/?lat=-33&lng=154&mt=m&z=8&timerange=3600
and Brisbane http://aprs.fi/?lat=-27&lng=155&mt=m&z=8&timerange=3600
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Re: Ship position receiving and sharing
I monitored 161.975 and 162.025 all day yesterday in Swanbourne and didn't get a hit. I can see large boats and ships moving from my workshop.
Rob
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Re: Ship position receiving and sharing
It only sounds like a burst of noise about 1 sec long.robbage wrote:I monitored 161.975 and 162.025 all day yesterday in Swanbourne and didn't get a hit. I can see large boats and ships moving from my workshop.
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Re: Ship position receiving and sharing
Yes it's only a click and you need to have the squelch off at least at first. Make sure you have FM selected.
Re: Ship position receiving and sharing
and not be scanning between the 2 frequencies as that would probably miss the burst of data.VK2GEL wrote:Yes it's only a click and you need to have the squelch off at least at first. Make sure you have FM selected.
There are 10 types of people in this world. Those that understand binary and those who do not.