Simple Sentences:
* The pilot radioed for clearance to land.
* The police officer radioed for backup.
* The hiker radioed for help after getting lost.
More Complex Sentences:
* After hours of searching, the rescue team radioed that they had found the missing child.
* The ship's captain radioed headquarters to report a storm approaching.
* The soldiers radioed their position to the base, but their signal was weak and intermittent.
In a Dialogue:
* "We've got a situation here," the officer said, radioing for assistance.
* "Over and out," the pilot radioed before switching off his transmitter.
Remember that "radioed" is the past tense of "radio." It is used to describe an action that happened in the past.