QRICStewardsGHD (@QRICStewardsGHD) / X

Jᴏᴜʀᴅᴀɴғɪᴇʟᴅ (@GalaktixGG) / X

Jᴏᴜʀᴅᴀɴғɪᴇʟᴅ (@GalaktixGG) / X

GM4JKZ - Callsign Lookup by QRZ Ham Radio

ugarOr$h💩t (@MadBetOfTheDay) / X

QR Code Activity – GeoGebra

Matt Barto (@BartoMatt) / X

Jᴏᴜʀᴅᴀɴғɪᴇʟᴅ (@GalaktixGG) / X

9Y4D - Callsign Lookup by QRZ Ham Radio

Jᴏᴜʀᴅᴀɴғɪᴇʟᴅ (@GalaktixGG) / X

Humber Global on X: Celebrate your graduation with our new augmented reality experience (AR). Scan the QR code below to start dancing with Howie the Hawk! #HumberGrad / X

Cristie DeWitt - Supervisor Apprenticeship and Training Office - Pennsylvania Department of Labor & Industry

QR codes - Scikit-HEP

ugarOr$h💩t (@MadBetOfTheDay) / X

PD1DRE - Callsign Lookup by QRZ Ham Radio