Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9YGG callsign genealogy
Currently held by Mack, Gary E
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W9YGG's current licensee, walking backwards.
- Mack, Gary EILgranted 2019-02-14cancelled 2019-03-15
Successor callsigns
Callsigns held now by people who previously held W9YGG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9YGG, oldest first.
- MACK, BERNHARDT C IL1988-02-23 → cancelled 2000-02-24
- Mack, Gary E IL2019-03-15 active