Assertion: antenna's gain | /r/HasProperty | proportional
Facets:
value: to its effective area
type: LOCATION
value: due to reciprocity
type: CAUSE
Source sentences:
text: Due to reciprocity (discussed above) the gain of an antenna used for transmitting must be proportional to its effective area when used for receiving.
text: Due to reciprocity (discussed above) the gain of an antenna used for transmitting must be proportional to its effective area when used for receiving.