W2SZ: The Amateur Radio Club of RPI ARRL Become a Ham Callsign Lookup Club Info Exams Online Exams Upcoming Grid Squares Ham Bands Last Version Links Map N2TY Repeaters Rigs etc. ULS US Frequencies W1AW W2SZ/1 Since 1911*, W2SZ has been a place where students enjoy the challenges and satisfaction of Amateur Radio. Whether you would like to build radios, climb towers, send data over the air, ...