All, I just dl'ed AISMON and would like to see the messages that it outputs. I checked the log file and i see garbled stuff inside the log. The program tells...
20
Dave Houy
davehouy
Aug 2, 2005 2:45 am
Jim, ... The logfile records should all begin with !AIVDM, but consist of mostly- encoded data thereafter. Are you seeing something different? Dave...
21
wallsofjasper2
Aug 2, 2005 3:19 am
... Yes, That is what i am seeing. Why is it encrypted? Is there a way to decipher the printout?...
22
Dave Houy
davehouy
Aug 2, 2005 3:40 am
Jim, ... When creating AIVDM messages, it is required to encode each 6 bits of the received stream into an 8-bit byte in the output message in order to avoid...
23
wallsofjasper2
Aug 2, 2005 12:40 pm
... So how do i translate that then? What NMEA format are you using? I am trying to use AISMon to bring in man-readable reports so I can plot them. Thanks! :) ...
24
Dave Houy
davehouy
Aug 3, 2005 3:08 am
Jim, ... AISMon currently produces NMEA output for AIS message types 1-3 and 5. The next version will also support Class B types 18 and 19. To reconstitute...
25
wallsofjasper2
Aug 3, 2005 3:20 am
... Could you provide an example of how you decoded this? for example: !AIVDM,1,1,,A,13uTAH002nJRLAHEwTi674rh04:8,0*2B...
26
Dave Houy
davehouy
Aug 3, 2005 3:42 am
Jim, ... Firstly, I did not decode this message, I encoded it from the decoded AIS bitstream. Put these 28 bytes 13uTAH002nJRLAHEwTi674rh04:8 through the...
27
Jim Wyman
wallsofjasper2
Aug 3, 2005 3:57 am
Thanks! I will try this tomorrow......
28
robertrdmnn
Aug 3, 2005 3:14 pm
Where can I download AISMon??...
29
Dave Houy
davehouy
Aug 3, 2005 7:36 pm
In the files area of this group. ... From: aismon@yahoogroups.com [mailto:aismon@yahoogroups.com]On Behalf Of robertrdmnn Sent: Wednesday, August 03, 2005 8:14...
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wallsofjasper2
Aug 3, 2005 11:58 pm
Dave, Thanks for all the help. That algorithm did the trick... One thing though.. On message type 5 (static ship/voyage data), there are so-called normal 6-bit...
31
Dave Houy
davehouy
Aug 4, 2005 1:25 am
Jim, ... See Table 14 on page 42 of ITU-R M.1371-1. Dave...
32
wallsofjasper2
Aug 4, 2005 2:02 am
Dave, I do not have that document. I am looking at the IALA Technical Clarifications on ITU Recommendations ITU-R M.1371-1 Edition 1.4 2003 for all the message...
33
Dave Houy
davehouy
Aug 5, 2005 5:54 am
Jim, ... Then download it from www.itu.int, as I have done. Dave...
34
robertrdmnn
Aug 6, 2005 2:13 pm
It seems not possible for me to download(access denied although properly signed in?) the file AISMon.zip. Can somebody mail this file to my postbox...
35
Dave Houy
davehouy
Aug 6, 2005 3:11 pm
Rob, ... Done. Dave...
36
boat_003
Aug 12, 2005 9:48 pm
Hi all! After joining this group a few weeks before, I am still unable to download the file AISMon.zip. Every time I tried it, I got the following message...
37
Kai Gunter Brandt
kgb_winradio
Aug 12, 2005 9:59 pm
boat_003 wrote: This is because there is a limit on yahoo for downloading... I have the file at: www.scannernytt.info/AISMon.zip This is the latest version i...
39
boat_003
Aug 13, 2005 6:14 am
... Thank you!...
42
snjddt
Oct 26, 2005 9:21 am
I am interested in the way the GMSK signal is coded and decoded. Can anyone tell me something about the mathematical backgrounds. I dont have to know the...
43
snjddt
Oct 26, 2005 9:32 am
The program Seaclear is for free and takes the AIS rs232 signal. Find it at http://www.sping.com/seaclear/....
44
snjddt
Oct 26, 2005 11:07 am
... Sorry, I dint look at the previous messages where Seaclear already was introduced....
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laurie martin
ochoreale
Oct 28, 2005 4:30 am
"this page cannot be displayed" Is this my setup/me or has the location of the file changed? Laurie...
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Dave Houy
davehouy
Oct 28, 2005 5:10 am
laurie, ... The link to LA_LB_Snippet.wav in the files area is operating as intended. Dave...
47
I_power_3
snjddt
Oct 28, 2005 6:48 am
Hi, I think you send me the wrong answer (I am not Laurie Martin). This is wat I asked you, Hi, I registered a few days ago, and now I find that my email...
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laurie martin
ochoreale
Oct 29, 2005 4:10 am
Dave thanks, right click, save as - saved the day. Laurie...
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Dave Houy
davehouy
Nov 14, 2005 4:09 am
All, AISMon version 1.2 is now available in the Files area, featuring improved reliability and support for message types 18, 19, and 21. Dave...
51
wallsofjasper2
Nov 30, 2005 8:37 pm
All, I just downloaded the latest version of AISMon 1.2. When I connect my output to my discrimminator tap, the sound level meter appears to be peeged even...
52
Dave Houy
davehouy
Dec 4, 2005 7:46 pm
All, AISMon version 1.3 is now available in the Files area, which now runs at an elevated priority, improving reliability and stability on busy or underpowered...
