And there is navtex on longwave/mid wave ssb
. I have used a PK-232 TNC to either minicom or Hyper term. Dedicated navtex receivers spit out continuous hard copy of these ascii broadcasts.
Pactor email (ssb) a request within Airmail (software) for weather maps/sat pics via ssb
, and receive them later via pactor email. (Sailmail or Ham bands) One can use the internet to request/retrieve these files sans radio
using Airmail when wifi is available. NOAA's ftp site have these pics/forecasts. SCS pactor modems are not cheap. Airmail is free. Sailmail service is affordable. Ham Freqs are restricted to Hams of sufficient privilege.
As mentioned earlier, Radio
fax direct to software via soundcard.
WWV at 10.000 Mhz, or 5.000 Mhz, or 2.500 Mhz, broadcasts GPS
outages, and Weather Once per hour.
There is talk of land based radio
fax weather broadcasts going away as being redundant as these files are also available via NOAA satellites. Have not yet tried to down load from satellite. One would need sat pass predictive software, and a schedule of broadcasts to grab those radio
fax files pertinent to ones location.
Sat phone internet.
Probably other ways I have not discovered. I like navtex and radio faxes. These are receive only modes, so they would not be as battery intensive as pactor email jpeg attachments.