RE: [digitalradio] navtex on linux (was: Do we really need to know?)

2006-04-14 Thread Dave Cole (NK7Z/NNN0RDO)
Thank you sir!!

Thanks,
Dave
NK7Z/NNN0RDO
http://www.nk7z.net

Natural laws have no pity.  --Lazarus Long


-Original Message-
From: digitalradio@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Kristoff Bonne
Sent: Friday, April 14, 2006 06:17
To: digitalradio@yahoogroups.com
Subject: Re: [digitalradio] navtex on linux (was: Do we really need to
know?)


Gegroet,



Dave Cole (NK7Z/NNN0RDO) schreef:

> Can someone tell me what freq NAVTEX transmissions are on please?

The main frequencies are 518 Khz for the "international" (i.e. 
english-language) broadcasts and 490 Khz for "local" information.

You can find the schedule here:
http://home.cogeco.ca/~dxinfo/navtex.htm

It carries safely-related maritime information. It's dual-frequency FSK 
at 100 baud with a shift of 170 Hz.
In tropical areas, is also on 4209.5 Khz, but I don't know if there are 
already a lot of stations on that frequency.


> Thanks,
> Dave
> NK7Z/NNN0RDO
> http://www.nk7z.net

Cheerio!
Kristoff
ON1ARF



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Re: [digitalradio] navtex on linux (was: Do we really need to know?)

2006-04-14 Thread Rein Couperus PA0R
Hi Kristoff, 

I use gMFSK + PSKmail to read the Navtex messages from the internet.
Much faster and 0 errors as PSKmail uses real ARQ. I also use it to
download grib files with the wind information of the Atlantic when I am
sailing.

73,

Rein PA0R


On Fri, 2006-04-14 at 11:27 +0200, Kristoff Bonne wrote:
> Gegroet,
> 
> AA0OI schreef:
> 
> > You know what really bakes my cookies.. I put on a sceince paper in 
> > the third grade that there were more than 9 planets and they marked it 
> > wrong.. ( ha ha)
> 
> Well, the funny thing is that it may be that we will only have eigth of 
> them soon. It may be that pluto will loose its status of "planet".
> 
> 
> But, to get back on-topic.
> I'm looking for a program for linux that can decode navtex/amtor-FEC.
> 
> I find the program "hf-terminal" but it has a lot of problems on my 
> computer (I cannot get it to decode the navtex-transmissions here in 
> ostend and it does not work for RTTY neither), it does not look to be 
> supported anymore and its mailing-list only contains spam.
> 
> 
> Another question:
> Does anybody have any experience with gmfsk? Is there a dedicated 
> mailing-list for it?
> 
> Is it possible to build plugin into it? It would be nice it be able to 
> use it as a "frontend":
> - indicate select a frequency/shift on the waterfall
> - select (say) FSK/50 baud
> and that is be able to retrieve the decoded bitstream by some other 
> program. (e.g. one which does AMTOR/FEC-NAVTEX)
> 
> 
> 
> > Garrett
> > AA0OI
> 
> Cheerio! Kristoff (on1arf)



Need a Digital mode QSO? Connect to  Telnet://cluster.dynalias.org

Other areas of interest:

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Re: [digitalradio] navtex on linux (was: Do we really need to know?)

2006-04-14 Thread Kristoff Bonne

Gegroet,



Dave Cole (NK7Z/NNN0RDO) schreef:


Can someone tell me what freq NAVTEX transmissions are on please?


The main frequencies are 518 Khz for the "international" (i.e. 
english-language) broadcasts and 490 Khz for "local" information.


You can find the schedule here:
http://home.cogeco.ca/~dxinfo/navtex.htm

It carries safely-related maritime information. It's dual-frequency FSK 
at 100 baud with a shift of 170 Hz.
In tropical areas, is also on 4209.5 Khz, but I don't know if there are 
already a lot of stations on that frequency.




Thanks,
Dave
NK7Z/NNN0RDO
http://www.nk7z.net


Cheerio!
Kristoff
ON1ARF


smime.p7s
Description: S/MIME Cryptographic Signature


RE: [digitalradio] navtex on linux (was: Do we really need to know?)

2006-04-14 Thread Dave Cole (NK7Z/NNN0RDO)
Can someone tell me what freq NAVTEX transmissions are on please?

Thanks,
Dave
NK7Z/NNN0RDO
http://www.nk7z.net

Limiting the freedom of news 'just a little bit' is in the same category
with the classic example 'a little bit pregnant.  --Robert Heinlein




Need a Digital mode QSO? Connect to  Telnet://cluster.dynalias.org

Other areas of interest:

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