Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4HYY callsign genealogy
Currently held by SPRINGFIELD JR, BAKER D
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 W4HYY's current licensee, walking backwards.
- PONAK, CHRISTINE MNCgranted 2003-10-07cancelled 2005-04-01
Successor callsigns
Callsigns held now by people who previously held W4HYY.
- PONAK, CHRISTINE MNCgranted 2025-06-21
All historical holders
Every license row we've seen with the callsign W4HYY, oldest first.
- SPRINGFIELD JR, BAKER D MS1997-07-22 → cancelled 2001-05-01
- Ponak, Christine M NC2005-04-01 → cancelled 2007-05-25