The main window in MODS shows you operators with whom you have a relation. In this case, your operator has only one operator listed.
Double clock to select the operator, and rightclick the window to access thge menu whereby you can add more operators based on the operators currentlyt in the GSM A SE.13 list.
Please note that the “Select Operator” is selected. The other tabs are “Progress”, “Reporting” and “Overview” which you will see in details in the following parts.
The status bar in the lower part of the screen shows the network MCC+MNC and the affiliate selected. The affiliate in this case means that in case you have relations for several affiliates (orginal MNOs or network extensions) then MODS can be a persona per affiliate.