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Search took 0.00 seconds. Search: Posts Made By: Paul Elliott
Forum: Marine Electronics 03-03-2018, 10:13
Replies: 34
Views: 5,747
Posted By Paul Elliott
Re: How to receive Weather Faxes

GRIBs are a forecast, covering up to several days in the future. The NOAA computers provide forecasts for *now* (current conditions as of the last computer run), now+3 hours, +6, +9, ... +189, +192...
Forum: Marine Electronics 02-03-2018, 17:25
Replies: 34
Views: 5,747
Posted By Paul Elliott
Re: How to receive Weather Faxes

Sorry, I don't know how.

But why would you want to? Five days is usually decent accuracy in a general way, beyond ten days is getting into the pure fantasy range. If I am letting my computer do...
Forum: Marine Electronics 02-03-2018, 16:47
Replies: 34
Views: 5,747
Posted By Paul Elliott
Re: How to receive Weather Faxes

That makes sense. I was going to try that, but you beat me to it. The Saildocs-compressed file is completely readable.
Forum: Marine Electronics 02-03-2018, 13:38
Replies: 34
Views: 5,747
Posted By Paul Elliott
Re: How to receive Weather Faxes

Yes, really strange! I am using Thunderbird for email here at home, and the PYBA01.TIF file Saildocs sent me is 16.4 kBytes (this shows as 17 KB when I save it). Saildocs claims to be getting the...
Forum: Marine Electronics 02-03-2018, 13:28
Replies: 34
Views: 5,747
Posted By Paul Elliott
Re: How to receive Weather Faxes

At least a couple of years ago, even the fine-grained GRIBs didn't show the developing low-pressure systems that can turn into hurricanes -- at least not as well as the hand-annotated WFAX charts. ...
Forum: Marine Electronics 02-03-2018, 11:28
Replies: 34
Views: 5,747
Posted By Paul Elliott
Re: How to receive Weather Faxes

I just tried both the noaa ftp site and saildocs, in both cases getting "PYBA01.TIF" The noaa version is 32 kBytes, but the saildocs version is 17 kBytes. NOAA also has "PYBA01.gif" on their ftp...
Forum: Marine Electronics 02-03-2018, 11:04
Replies: 34
Views: 5,747
Posted By Paul Elliott
Re: How to receive Weather Faxes

I just looked at the script I was using on my cron job, and it was getting ftp files from tgftp.nws.noaa.gov/fax (PYBA01.TIF, and others). Perhaps something has changed, or I should have been...
Forum: Marine Electronics 02-03-2018, 10:38
Replies: 34
Views: 5,747
Posted By Paul Elliott
Re: How to receive Weather Faxes

Yes. I've found that the saildocs wfax charts are curther compressed (smaller size) than the ones I used to get directly from NOAA. I posted this some time back:


You should check the catalog,...
Forum: Marine Electronics 02-03-2018, 09:21
Replies: 34
Views: 5,747
Posted By Paul Elliott
Re: How to receive Weather Faxes

Can you get regular email with your Go? If so, you can get wfax charts emails from saildocs.com (as well as GRIBs).
Showing results 1 to 9 of 9

 
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