id	keyword
american_scientific_journal-4871	antenna
american_scientific_journal-4871	loss
american_scientific_journal-4871	path
american_scientific_journal-4871	tilt
american_scientific_journal-4871	power
american_scientific_journal-4871	height
american_scientific_journal-4871	coverage
american_scientific_journal-4871	model
american_scientific_journal-4871	signal