Post navigation ← Previous Next → QSL: ‘SIW’ HiFER Beacon, Elgin, IL, USA Posted on 31 May, 2014 by Brandon HiFER Beacon SIW QSL 13,500 kHz 5 milliwatts Reverse: Full-data card in 9 days for English language report, SASE and souvenir postcard to beacon operator K3SIW. Address per QRZ.