This is the third time of attempting to post this: it doesn't seem to want to stick:
I tried anyway with this result:
sudo apt-add-repository https://ppa.launchpadcontent.net/mutlaqja/ppa/ubuntu jammy main
[sudo] password for richardh:
Warning: components 'jammy' not valid for PPA
Repository: 'deb https://ppa.launchpadcontent.net/mutlaqja/ppa/ubuntu jammy jammy main'
Description:
Latest INDI Library and drivers!
This PPA is for stable Ekos & INDI drivers releases.
More info: https://launchpad.net/~mutlaqja/+archive/ubuntu/ppa
Adding repository.
Press [ENTER] to continue or Ctrl-c to cancel.
Updating existing entry instead of using /etc/apt/sources.list
Adding disabled deb-src entry to /etc/apt/sources.list.d/mutlaqja-ubuntu-ppa-jammy.list
Adding key to /etc/apt/trusted.gpg.d/mutlaqja-ubuntu-ppa.gpg with fingerprint 7DA5C2D272B4C6F8E7CEA9C6487CEC2B3F33A288
Hit:1 http://gb.archive.ubuntu.com/ubuntu jammy InRelease
Hit:2 http://security.ubuntu.com/ubuntu jammy-security InRelease
Hit:3 http://gb.archive.ubuntu.com/ubuntu jammy-updates InRelease
Hit:4 http://gb.archive.ubuntu.com/ubuntu jammy-backports InRelease
Hit:5 https://ppa.launchpadcontent.net/mutlaqja/ppa/ubuntu jammy InRelease
Hit:6 https://ppa.launchpadcontent.net/rodsmith/refind/ubuntu jammy InRelease
Hit:7 https://packages.microsoft.com/ubuntu/22.10/prod kinetic InRelease
Ign:8 https://ppa.launchpadcontent.net/upubuntu-com/network/ubuntu jammy InRelease
Err:9 https://ppa.launchpadcontent.net/upubuntu-com/network/ubuntu jammy Release
404 Not Found [IP: 2620:2d:4000:1::3e 443]
Reading package lists... Done
W: Skipping acquisition of configured file 'jammy/binary-amd64/Packages', as repository 'https://ppa.launchpadcontent.net/mutlaqja/ppa/ubuntu jammy InRelease' doesn't have the component 'jammy' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'jammy/binary-i386/Packages', as repository 'https://ppa.launchpadcontent.net/mutlaqja/ppa/ubuntu jammy InRelease' doesn't have the component 'jammy' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'jammy/i18n/Translation-en', as repository 'https://ppa.launchpadcontent.net/mutlaqja/ppa/ubuntu jammy InRelease' doesn't have the component 'jammy' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'jammy/i18n/Translation-en_GB', as repository 'https://ppa.launchpadcontent.net/mutlaqja/ppa/ubuntu jammy InRelease' doesn't have the component 'jammy' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'jammy/dep11/Components-amd64.yml', as repository 'https://ppa.launchpadcontent.net/mutlaqja/ppa/ubuntu jammy InRelease' doesn't have the component 'jammy' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'jammy/dep11/icons-48x48.tar', as repository 'https://ppa.launchpadcontent.net/mutlaqja/ppa/ubuntu jammy InRelease' doesn't have the component 'jammy' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'jammy/dep11/icons-64x64.tar', as repository 'https://ppa.launchpadcontent.net/mutlaqja/ppa/ubuntu jammy InRelease' doesn't have the component 'jammy' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'jammy/dep11/icons-64x64@2.tar', as repository 'https://ppa.launchpadcontent.net/mutlaqja/ppa/ubuntu jammy InRelease' doesn't have the component 'jammy' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'jammy/dep11/icons-128x128.tar', as repository 'https://ppa.launchpadcontent.net/mutlaqja/ppa/ubuntu jammy InRelease' doesn't have the component 'jammy' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'jammy/cnf/Commands-amd64', as repository 'https://ppa.launchpadcontent.net/mutlaqja/ppa/ubuntu jammy InRelease' doesn't have the component 'jammy' (component misspelt in sources.list?)
E: The repository 'https://ppa.launchpadcontent.net/upubuntu-com/network/ubuntu jammy Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.