W4A (Special Callsign) - USA

Op: N9EN

Bands: 10M - 160M

Mode: CW

Qsl Info: Qsl via N9EN (direct or bureau)

Start Date - End Date: Dec. 16 - Dec. 18

Webpage: https://www.qrz.com/db/W4A

Notes: Commemorating the birthdate of Edwin H. Armstrong, the electrical engineer & inventor who developed FM radio and the superheterodyne receiver system.