The -1 is an antiquated format which I think made a lot more sense before ADDS, IGRADS, and all the other tools we have at our disposal. That said, since I have to get one for now I've found that I can streamline that process by doing it all on the phone. I call in my brief request and have them email it to my personal email instead of the fax. Since I'm often out at the jet before they're done with the wx brief, I do all my own weather checks, then whenever the email comes in I open the pdf on my phone and verify that everything on it jives with what I saw before. I'm legal, and I'm not waiting around a fax machine for a brief that may not come. Plus I don't have to use FWB online, which is as accessible on Air Force bases as it is in FBOs.