Sentence examples for at onda from inspiring English sources

The phrase "at onda" is not correct and not usable in written English.
It appears to be a misspelling or misinterpretation of a phrase, and without context, it is unclear what it is intended to convey.
Example: "I was at onda when I heard the news." (Note: This example is incorrect due to the phrase itself.)
Alternatives: "at that moment" or "at that time".