Thankfully there is a super slick website that will generate a comman separated value (CSV) file that you can copy/paste on your radio and lo and behold every DSTAR repeater in the world is correctly programmed into your radio.
I'm not really sure why but when I was first learning about all the different aspects of ham radio I always thought sending an e-mail over Winlink Express was the coolest thing. I believe I read about sailors circumnavigating the world on sailboats and one of them used their VHF radio onboard to send e-mail to let their family and friends they were okay. No Starlink, just packet radio!
New Callsign Registration is a two-step process. Here are the steps to register your call sign.
I have become quite a fan of old Motorola VHF and UHF radios, partially because of Kenneth Finnegan aka The Life of Kenneth. He showed me all it took was some a little software and a USB to RJ45 adapter to program them and you've got an inexpensive 2meter VHF radio ready for tinkering.