Need help with downloading

[DWIChannel]

Here is where I am at: I am building the website "The DWI Channel" (https://dwichannel.com)

One of the issues I encountered was when a menu offered the option DOWNLOAD VIDEO AS ... but it did not work; they would only allow DOWNLOAD VIDEO and force them into the /Downloads directory. (Compared with what some people went through during Hurricane Dorian, such as taking shelter under a parked pickup truck and having to stay there for 24 hours, I'll take this problem.)

I have been able to use my Mac with Safari browser and then I visit the page containing the news video I want to save and archive, I do OPTION+COMMAND+U to view the page source (and it's also in the drop-down menus under DEVELOP) and click on NETWORK to watch the .ts files load. Typically there might be 12 and since downloading and saving them individually is too much like work, I wrote a Python program that curl's them down and then combines them. I have to be careful to use target file names such as 01.ts instead of 1.ts or else files 10.ts, 11.ts and 12.ts would get placed between 1.ts and 2.ts (cat *.ts >all.ts) The listing builds and I click FILE TYPE so all the .ts files are grouped together and I only need to get one link, and the numerical range.

I have no problem downloading the .ts files from uplynk-based sites, but the .ts files are not readable. Anybody have that figured out?

[LZAA]

youtube-dl https://dwichannel.com/videos/cbsnews-0001.mov

[DWIChannel]

x$ sudo curl https://yt-dl.org/downloads/2015.10.23/youtube-dl -o /usr/local/bin/youtube-dl
Password:
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
curl: (60) SSL certificate problem: certificate has expired
More details here: https://curl.haxx.se/docs/sslcerts.html

curl failed to verify the legitimacy of the server and therefore could not
establish a secure connection to it. To learn more about this situation and
how to fix it, please visit the web page mentioned above.