WHAT'S IN A NAME? HOW TO AVOID AN ADS-B CALL SIGN MISMATCH What's in a name? That which we call a rose by any other name would smell as sweet." - William Shakespeare T his enduring line from Shakespeare's Romeo and Juliet deftly underscores Juliet's effort to interpret the significance of names as mere labels and not let the "Montague" moniker obstruct true love. While that certainly leaves one to ponder the superfluous nature of names, that same logic doesn't exactly apply in the realm of Automatic Dependent Surveillance-Broadcast technology. A name, or aircraft registration number/call sign in this case, is critical to the integrity of the ADS-B Out system and defines who you are in the National Airspace System. 30 avionics news * september 2017