Assertion: arrl field day | /r/AtLocation | canada
Facets:
value: annually
type: TEMPORAL
Source sentences:
text: ARRL Field Day is the single most popular on-the-air event held annually in the US and Canada.
text: ARRL Field Day is the single most popular on-the-air event held annually in the US and Canada.
text: ARRL Field Day is the single most popular on-the-air event held annually in the US and Canada.
text: ARRL Field Day is the single most popular on-the-air event held annually in the US and Canada.